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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
P
A ASP
AP915-003
DTS Controller for Portable Radio
Copyright (C), 2003 by Engineering Department, ASP Microelectronics Limited. All rights
reserved. No part of this document may by reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language, in any form or by any means without the
prior written permission of ASP Microelectronics Limited.
Doc. No. : AP915-003c.doc
Date : 5 May 2003
Rev. : 0.3
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
P
A ASPRevision History
Rev. Date By Description
0.10 24August 2002 CCChan First Draft
0.20 6 November 2002 CCChan Second revisionCorrected LCD drawing and mapping table in section 6
0.30 5 May 2003 CCChan Corrected pin description in section 3
Corrected LCD mapping in section 6.2
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AP915 - 003DTS Controller for Portable Radio
Revision 0.3 5 May 2003
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1 GENERAL DESCRIPTION ............. ........... ............. ............. ............ ........... ............. .............. ........... ............. ............. ........... 5
2 BLOCK DIAGRAM.................................................................................................................................................................. 5
3 PIN DESCRIPTION (52 PADS) ........... ............. .............. ............ ............. ........... ............. ........... ............. ............. ............ ...... 6
4 AP915 BONDING INFORMATION:...... ............. ............ ............ ............ .............. ............. ............ ............ ............ ............ .... 7
5 KEYBOARD LAYOUT............................................................................................................................................................8
5.1 JUMPER SETTING OPTION ....................................................................................................................................................8
5.1.1 Model selection Option (Model).. ............. ............ ............. ........... ............. ........... ............. .............. ............ ............. ... 8
5.1.2 Frequency Selection (A0,A1, FMStep and AMStep).. ............ ............. ........... ............. ............ ............ ............ ............. 9
5.1.3 Search tuning method Option (SMODE0, SMODE1) ........... ............. .............. ............ ............. ........... ............. ........ 10
5.1.4 Clock enable Option (Clock EN) ........... ............. ............ ............. ........... .............. ............. ........... ............. ............ .... 11
5.1.5 Power On Switch Option (Pow_Key) ........... ............. ............ ........... ............. ............. ........... ............. ............ ........... 11
5.1.6 Number of memory Option (5 MEM) ........... ............. ............ ........... ............. ............. ........... ............. ............ ........... 11
5.1.7 LCD BIAS Option (BIAS) ..........................................................................................................................................115.1.8 Reserve Jumper ............. ........... .............. ............. ............ ............ ............ ............. ........... ............. ............. ........... ..... 11
5.2 KEY BUTTONS....................................................................................................................................................................12
6 LCD LAYOUT ........................................................................................................................................................................13
6.1 MODEL 0 ............................................................................................................................................................................13
6.2 MODEL 1 ............................................................................................................................................................................13
7 ELECTRICAL SPECIFICATION........................................................................................................................................14
7.1 ABSOLUTE MAXIMUM RATING ..........................................................................................................................................14
7.2 RECOMMENDED OPERATING CONDITION ...........................................................................................................................14
7.3 ELECTRICAL CHARACTERISTICS .........................................................................................................................................14
8 APPLICATION DIAGRAM ..................................................................................................................................................15
8.1 APPLICATION CIRCUIT ........................................................................................................................................................158.2 APPLICATION CIRCUIT EXAMPLE MODEL 0 WITHOUT CLOCK, TACT SWITCH ON/OFF, 1/8 IF ...........................................16
8.3 RADIO MODULE CIRCUIT EXAMPLE 1/8 IF .......................................................................................................................17
8.4 APPLICATION CIRCUIT EXAMPLE - MODEL 1 WITH CLOCK, SLIDE SWITCH ON/OFF, FULL IF ..............................................18
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
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Figure 1 Block Diagram of AP915.......... ............ ............ ............ ............. ........... ............. ............ ............ ............ .............. ............. ... 5
Figure 2 Pad Ring......... ........... ............. ............ ............. ........... ............. ............ ............ ............ ............ ............ ............. .............. ....... 7
Figure 3 Keyboard Layout ........... ............ ............. ........... ............. ............ ............ .............. ............ ............. ........... ............. ............ .. 8
Figure 4 Level Detect - active low example..... ............. ............ ............ ............ ............ ............ ............. ........... ............. ............ ....... 10
Figure 5 Level Detect - active high example........ ............ ............ ............. ........... ............. ............ ............. ........... ............. .............. . 10
Figure 6 Envelop Detect - active low example.......... ............. ........... ............. ............ ............. ........... ............. ........... ............. ......... 10
Figure 7 Envelop Detect - active high example ........... ............ ........... ............. ............. ............ ............ ............. ............. ............. ..... 10
Figure 8 IF Count - Full IF example ........... ............ ............. ........... ............. .............. ............ ............ ............ ............. ........... ........... 11
Figure 9 Model 0 LCD layout ........................................................................................................................................................... 13
Figure 10 Model 1 LCD Display........ ........... ............. ........... ............. ............. ............ ............. ........... ........... .............. ............. ........ 13
Figure 11 Application circuit example Model 0...... ............. ............ ............ ............ ............. ........... ............. ............ ............ ......... 16
Figure 12 Radio module circuit example 1/8 IF.............. ............. ........... ............. ............. ........... ............. ............ ........... ............. . 17
Figure 13 Application circuit example Model 1...... ............. ............ ............ ............ ............. ........... ............. ............ ............ ......... 18
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DTS Controller for Portable Radio
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1 General Description
The AP915 is a single chip digital tuning controller for portable radio. It supports nearly all the world wide radio system of FM
and MW (AM) bands.
Features
Two models with different features selected by diode option
10/5 Preset memories (diode option) for each AM and FM band
Last channel memory. One station for each band
Manual tuning and seek tuning.
Flexible configurations through diode jumper option
14 segments x 4 commons LCD display driver
Selectable 1/2 or 1/3 bias
Built-in voltage regulator and voltage doubler for generating stable LCD supply voltage
2 Block Diagram
A
A
A
1/2
MUX 1/15 or
1/16
Swallow
Counter
Programmable
Counter
IF Counter Reference Divider
Phase
Com
parator
CPU Core
ROM
RA M
General Purpose I/O
14 segments x 4
commons LCD
Driver
Voltage
Regulator
FMIN
AMIN
IFIN
XIN
XOUT
RESETB
TEST
V_RADIO
BAND
KO3-KO0
KI5
-KI0
CO
M
1
-COM
4
SE
G1
-SEG14
DO
MUTE
C1
C2
VLCD
VEE
HOLD
Alarm
JUMPER
BASS
BAND_Z
VD D
STEREO
M
ONO
GND
Figure 1 Block Diagram of AP915
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DTS Controller for Portable Radio
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3 Pin Description (52 pads)
Pad # Symbol Pin Name Type Description
1 VEE VEE A Regulated 1.5V supply voltage
2 C1 C1 A Voltage doubler capacitor
3 C2 C2 A Voltage doubler capacitor
4 VLCD VLCD A LCD supply voltage5 SEG14 SEG14 OL LCD segment driver output
6 SEG13 SEG13 OL LCD segment driver output
7 SEG12 SEG12 OL LCD segment driver output
8 SEG11 SEG11 OL LCD segment driver output
9 SEG10 SEG10 OL LCD segment driver output
10 SEG9 SEG9 OL LCD segment driver output
11 SEG8 SEG8 OL LCD segment driver output
12 SEG7 SEG7 OL LCD segment driver output
13 SEG6 SEG6 OL LCD segment driver output
14 SEG5 SEG5 OL LCD segment driver output
15 SEG4 SEG4 OL LCD segment driver output
16 SEG3 SEG3 OL LCD segment driver output
17 SEG2 SEG2 OL LCD segment driver output
18 SEG1 SEG1 OL LCD segment driver output
19 COM4 COM4 OL LCD common driver output
20 COM3 COM3 OL LCD common driver output
21 COM2 COM2 OL LCD common driver output
22 COM1 COM1 OL LCD common driver output
23 PA0 MONO O Select for mono or stereo reception0: Mono reception1: Stereo reception
24 PA1 BASS (model 0)STEREO (model 1)
I Bass enhancement control (model 0)1: Bass enhanced, BBS icon on0: Normal bass, BBS icon off
Stereo reception indication (model 1)0: STEREO Mode, stereo icon will lit1: MONO mode
25 PA2 BAND_Z O AM/FM selection output to the tuner0: AMZ: FM
26 PA3 V_RADIO I/O Radio On/ OFF switch0: OFF1:ON
27 PA4 BAND O AM/FM selection output to the tuner1: AM0: FM
28 PA5 STEREO (model 0)BASS (model 1)
O Stereo reception indication (model 0)0: STEREO Mode, stereo icon will lit1: MONO mode
Bass enhancement control (model 1)1: Bass enhanced, BBS icon on0: Normal bass, BBS icon off
29 PA6 JUMPER O For jumper function
30 PA7 BUZZER O BUZZER Alarm output
31 MUTE MUTE O Active high mute output.32 K0 KI0 ISD Keyboard scan input
33 K1 KI1 ISD Keyboard scan input
34 K2 KI2 ISD Keyboard scan input
35 K3 KI3 ISD Keyboard scan input
36 T0 KI4 ISD Keyboard scan input
37 T1 KI5 ISD Keyboard scan input
38 T2 KO0 ISD Keyboard scan input
39 T3 KO1 O Keyboard Scan Output
40 T4 KO2 O Keyboard Scan Output
41 T5 KO3 O Keyboard Scan Output
42 TEST TEST ISD Reserved for IC test used
43 HOLD HOLD I Detect presence of DC supply
44 DO DO OT PLL output for VCO
45 VDD VDD -
46 AMIN AMIN IA AM VCO signal input
47 FMIN FMIN IA FM VCO signal input
48 GND GND -
49 IFIN IFIN IA IF signal input
50 RESETB RESETB ISU Active low IC reset.51 XIN XIN POSC 75kHz crystal oscillator input
52 XOUT XOUT POSC 75kHz crystal oscillator output
IA : Analog input
A : Analog I/O pad
IS : CMOS schmitt trigger input
ISU : CMOS schmitt trigger input with pull-up
I : Input Pad
O : Output Pad
OL : LCD Driver Output Pad
PSOC : Oscillator Pad
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DTS Controller for Portable Radio
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4 AP915 bonding information:
PAD NO. PAD NAME. X-coordinate Y-coordinate PAD NO. PAD NAME. X-coordinate Y-coordinate
1 VEE -1282.5 -766 27 PA4 672.5 766
2 C1 -1167.5 -766 28 PA5 557.5 766
3 C2 -1052.5 -766 29 PA6 442.5 766
4 VLCD -937.5 -766 30 PA7 327.5 766
5 SEG14 -822.5 -766 31 MUTE 212.5 766
6 SEG13 -707.5 -766 32 K0 97.5 766
7 SEG12 -592.5 -766 33 K1 -17.5 766
8 SEG11 -477.5 -766 34 K2 -132.5 766
9 SEG10 -362.5 -766 35 K3 -247.5 766
10 SEG9 -247.5 -766 36 T0 -362.5 766
11 SEG8 -132.5 -766 37 T1 -477.5 766
12 SEG7 132.5 -766 38 T2 -592.5 766
13 SEG6 247.5 -766 39 T3 -707.5 766
14 SEG5 362.5 -766 40 T4 -822.5 766
15 SEG4 477.5 -766 41 T5 -937.5 766
16 SEG3 592.5 -766 42 TEST -1052.5 766
17 SEG2 707.5 -766 43 HOLD -1167.5 766
18 SEG1 822.5 -766 44 DO -1282.5 766
19 COM4 937.5 -766 45 VDD -1322 410.4
20 COM3 1052.5 -766 46 AMIN -1322 295.4
21 COM2 1167.5 -766 47 FMIN -1322 180.4
22 COM1 1282.5 -766 48 GND -1322 65.4
23 PA0 1132.5 766 49 IFIN -1322 -49.6
24 PA1 1017.5 766 50 RESETB -1322 -164.6
25 PA2 902.5 766 51 XIN -1322 -279.6
26 PA3 787.5 766 52 XOUT -1322 -394.6
Figure 2 Pad Ring
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AP915 - 003DTS Controller for Portable Radio
Revision 0.3 5 May 2003
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5 Keyboard Layout
A 0 A 1 F MSte p A MStep SM OD E0 SM OD E1
CLK_EN
M 1/M 6 M 2/M 7 M 3/M 8 M 4/M 9 M 5/M 10
T[2]
PA[6]
T[3]
T[4]
T[5]
K[0] K[1] K[2] K[3] T [0] T[1]
P ow _K ey 5 M EM B ia s R es erv e
U P /H R D N /M I N
MEM/
CKADJ BAN D M ONO HO LD
M .U P M .D NSLEEP
ON/OFF
Model
ON/OFF
SLEEPALARM BBS
Snooze
Figure 3 Keyboard Layout
Note: The ON/OFF and SLEEP key location is different for model 0 and mode 1. The upper is for model 0.
5.1 Jumper Setting Option
5.1.1 Model selection Option (Model)
This option is used to select the LCD display mapping for different model
Model Feature
0 Model 0 features
1 Model 1 features
Difference between Model 0 and Model 1
Model 1 has beep tone when radio frequency is tuned up or down and searching, Model 0 have no beep tone.
Model 1 use two keystroke to store radio station whereas Model 0 use three keystroke to store radio station.
See the following sections for other differences between Model 0 and Model 1 features.
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DTS Controller for Portable Radio
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5.1.2 Frequency Selection (A0,A1, FMStep and AMStep)
These options are used to select the frequency range of the radio
Model 0
Area Band A0 A1 AM Step FM Step ReceivingFrequency (Hz)
Step (Hz) Ref Freq. (Hz) IF Freq (Hz) M1 M2 M3 M4 M5
x 0 87.5M - 108.1M 200k 25k 10.7M 87.5 90.1 98.1 106.1 108.1FM
x 1 87.5M 108.0M 50k 25k 10.7M 87.5 90.1 98.1 106.1 108.0
0 x 520k - 1710k 10k 5k 450k 520 610 1000 1400 1710AM
0 0
1 x 522k - 1620k 9k 3k 450k 522 612 999 1404 1620
x 0 87.3M 108.1M 100k 25k 10.7M 87.3 90.1 98.1 106.1 108.1FM
x 1 87.5M 108.0M 50k 25k 10.7M 87.5 90.1 98.1 106.1 108.0
0 x 520k - 1720k 10k 5k 450k 520 610 1000 1400 1720
USA
AM
0 1
1 x 531k - 1611k 9k 3k 450k 531 612 999 1404 1611
x 0 87.5M 108.0M 50k 25k 10.7M 87.5 90.1 98.1 106.1 108.0FM
x 1 87.3M 108.1M 50k 25k 10.7M 87.3 90.1 98.1 106.1 108.1
0 x 522k - 1629k 9k 3k 450k 522 612 999 1404 1629MW
1 0
1 x 530k - 1610k 10k 5k 450k 530 610 1000 1400 1610
x 0 87.5M 108.0M 50k 25k 10.7M 87.5 90.1 98.1 106.1 108.0FM
x 165.0M 74.0M87.5M 108.0M
50k 25k 10.7M 65.0 90.1 98.1 106.1 108.0
0 x 531k - 1611k 9k 3k 450k 531 612 999 1404 1611
Europe
MW
1 1
1 x 530k - 1610k 10k 5k 450k 530 610 1000 1400 1610
Model 1
Area Band A0 A1 AM Step FM Step ReceivingFrequency (Hz)
Step (Hz) Ref Freq. (Hz) IF Freq (Hz) M1 M2 M3 M4 M5
x 0 87.5M - 108.1M 200k 25k 10.7M 87.5 90.1 98.1 106.1 108.1FM
x 1 87.5M 108.0M 50k 25k 10.7M 87.5 90.0 98.0 106.0 108.0
0 x 520k - 1710k 10k 5k 450k 520 600 1000 1400 1710AM
0 0
1 x 522k - 1620k 9k 3k 450k 522 603 999 1404 1620
x 0 87.3M 108.1M 100k 25k 10.7M 87.3 90.0 98.0 106.0 108.1FM
x 1 87.5M 108.0M 50k 25k 10.7M 87.5 90.0 98.0 106.0 108.0
0 x 520k - 1720k 10k 5k 450k 520 600 1000 1400 1720
USA
AM
0 1
1 x 531k - 1611k 9k 3k 450k 531 603 999 1404 1611
x 0 87.5M 108.0M 50k 25k 10.7M 87.5 90.0 98.0 106.0 108.0FM
x 1 87.3M 108.1M 50k 25k 10.7M 87.3 90.0 98.0 106.0 108.1
0 x 522k - 1629k 9k 3k 450k 522 603 999 1404 1629MW
1 0
1 x 530k - 1610k 10k 5k 450k 530 600 1000 1400 1610
x 0 87.5M 108.0M 50k 25k 10.7M 87.5 90.0 98.0 106.0 108.0FM
x 165.0M 74.0M87.5M 108.0M
50k 25k 10.7M 65.0 90.0 98.0 106.0 108.0
0 x 531k - 1611k 9k 3k 450k 531 603 999 1404 1611
Europe
MW
1 1
1 x 530k - 1610k 10k 5k 450k 530 600 1000 1400 1610
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5.1.3 Search tuning method Option (SMODE0, SMODE1)
This option is used to select for the method used in search tuning
Model SMODE1 SMODE0 Description
0 0 LEVEL Detect 0 (Level Detect) Active high
0 1 LEVEL Detect 1 (Envelope detect) Active high
1 0 IF Count (1/8 IF for FM Mode)0
1 1 IF Count (Full IF for FM Mode)0 0 IF Count (Full IF for FM Mode)
0 1 IF Count (1/8 IF for FM Mode)
1 0 LEVEL Detect 1 (Envelope detect) Active low1
1 1 LEVEL Detect 0 (Level Detect) Active low
Note: IF Count method is more accurate in search tuning.
5.1.3.1 Level Detect:
Search radio stations by detect the logic level on the IFIN pin.
IFIN
98.0MHz97.95MHz 98.1MHz98.05MHz
Search stops at 98.1MHzLevel Detect, active low
Figure 4 Level Detect - active low example
IFIN
98.0MHz97.95MHz 98.1MHz98.05MHz
Search stops at 98.1MHzLevel Detect, active high
Figure 5 Level Detect - active high example
5.1.3.2 Envelope detect:
Search radio stations by detect the change in logic level on the IFIN pin.
IFIN
98.0MHz97.95MHz 98.1MHz98.05MHz
Search stops at 98.1MHzEnvelop Detect, active low
98.15M Hz 98.2MH z 98.25MHz
Figure 6 Envelop Detect - active low example
IFIN
98.0MHz97.95MHz 98.1MHz98.05MHz
Search stops at 98.1MHzEnvelop Detect, active high
98.15M Hz 98.2MH z 98.25MHz
Figure 7 Envelop Detect - active high example
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5.1.3.3 IF Count:
Search radio stations by counting the intermediate frequency (I.F.) on the IFIN pin.
The acceptable I.F. range for AM band is 450 +/- 0.3kHz
The acceptable I.F. range for FM band is 10.7 +/- 0.02MHz for Full IF and 1.3375 +/- 0.0025MHz for 1/8 IF
10.68MHz 10.69MHz 10.70MHz
98.0MHz97.95MHz 98.1MHz98.05MHz
IFIN
Search stops at 98.1MHzIF Count, FUll IF
Figure 8 IF Count - Full IF example
5.1.4 Clock enable Option (Clock EN)
This option is used to select the enable or disable of the real time clock.
Real Time Clock
Without Diode Disable ClockWith Diode Enable Clock
Note: Alarm and Sleep function is also disabled if Clock is disabled.
5.1.5 Power On Switch Option (Pow_Key)
This option is used to select for the type of the Power switch.
Model Pow_Key Function
0 TACT Switch0
1 Slide Switch
0 Slide Switch1
1 TACT Switch
5.1.6 Number of memory Option (5 MEM)
This option is used to select the number of preset memories for each FM and AM band. It is used with the MODEL jumper.
Model 5 MEM Function
0 10 preset memories for FM and AM band0
1 5 preset memories for FM and AM band
0 5 preset memories for FM and AM band1
1 10 preset memories for FM and AM band
5.1.7 LCD BIAS Option (BIAS)
This option is used to select the LCDBIAS used in the LCD.
Model Bias Function
0 Bias0
1 1/3 Bias
0 1/3 Bias1
1 Bias
5.1.8 Reserve Jumper
The reserve jumper is for reserved use and should not be connected.
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5.2 Key Buttons
Name Description
UP/HR When radio is on, it is used to tune up the station frequencyWhen radio is off and clock adjust is enable, it is used to adjust the hour time
DN/MIN When radio is on, it is used to tune down the station frequency
When radio is off and clock adjust is enable, it is used to adjust the minute time
MEM / CKADJ Memory selection or clock adjustment button
BAND Radio frequency band selection when radio is ON
MONO Toggle MONO Pin high low
HOLD Toggle key lock mode
Sleep Sleep time adjust
Alarm Alarm time adjust
M.UP Memory Channel Decrement button
M.DN Memory Channel Increment button
ON/OFF Button turn on / turn off the Radio (Used only when POW_KEY JUMPER is present)
BBS Toggle BASS pin high low
M1/M6 Short press: select memory channel 1
Long press: select memory channel 6 (Long press for Model 0 only)
M2/M7 Short press: select memory channel 2
Long press: select memory channel 7 (Long press for Model 0 only)
M3/M8 Short press: select memory channel 3
Long press: select memory channel 8 (Long press for Model 0 only)
M4/M9 Short press: select memory channel 4
Long press: select memory channel 9 (Long press for Model 0 only)
M5/M10 Short press: select memory channel 5
Long press: select memory channel 10 (Long press for Model 0 only)
Snooze Snooze alarm for 5 minutes during the alarm period
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6 LCD Layout
6.1 Model 0
ChannelNum
berIndicator
Digit 1 Digit 2 Digit 3 Digit 4 Digit 5 Digit 6 Digit 7
Do t
a
b
c
d
g
e
fFM
AM MHz
kH z
CHMEMOST
PM
S
EG
11
S
EG
10
S
EG
9
S
EG
8
S
EG
7
S
EG
6
S
EG
5
S
EG
4
S
EG
3
S
EG
2
S
EG
1
C
OM
4
C
OM
3
C
OM
2
C
OM
1
MW
A l ar m S l ee p B as s L oc k
Figure 9 Model 0 LCD layout
COM4 COM3 COM2 COM1
SEG1 6b,6c 7b 7g 7c
SEG2 7a 7f 7e 7d
SEG3 5acdfg 4b 4g 4c
SEG4 4a 4f 4e 4d
SEG5 MEMO 3b 3g 3c
SEG6 3a 3f 3e 3d
SEG7 CH 2b 2g 2c
SEG8 2a 2f 2e 2d
SEG9 ST 1b,1c MW/kHz FM/Dot/MHz
SEG10 Alarm Sleep PM Colon
SEG11 BASS AM (for clock) LOCK
6.2 Model 1
kHz
MH z
+ 5
M
PM
Digit 1 Digit 2 Digit 3 Digit 4 Digit 5 D ig it 6 D ig it 7
a
b
c
d
g
e
f
LOCKSleep
AM
AlarmBass
MW/AM
COM1
COM2
COM3
COM4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
FM
For
Radio
Stereo
Figure 10 Model 1 LCD Display
COM4 COM3 COM2 COM1
SEG1 6b,6c 7b 7g 7c
SEG2 7a 7f 7e 7d
SEG3 5acdfg 4b 4g 4c
SEG4 4a 4f 4e 4d
SEG5 M 3b 3g 3c
SEG6 3a 3f 3e 3d
SEG7 LOCK 2b 2g 2c
SEG8 2a 2f 2e 2d
SEG9 Stereo 1b,1c MW or AM / kHz * FM/Dot/MHz
SEG10 Alarm Sleep PM Colon
SEG11 BASS AM (for clock)*The actual display on LCD should be MW + kHz or AM + kHz depends on the area of the radio to be used
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7 Electrical Specification
7.1 Absolute Maximum Rating
Item Symbol Rating Unit
Power Supply Voltage (logic) VDD -0.5 to 7.0 V
Input Voltage Vin -0.5 to VDD+0.5 V
Power Dissipation (Ta = 70C) Pd 100 mW
Storage Temperature Tstg -50 to 125 C
Operating Temperature Topr -20 to 70 C
7.2 Recommended Operating Condition
Item Symbol Min. Typ. Max. Unit
Power Supply Voltage VDD 1.8 - 3.3 V
Input Voltage Vin 0 - VDD VOperating Temperature Topr -20 - 70 C
7.3 Electrical Characteristics
Symbol Parameter Condition Min. Typ. Max. Unit
VDD Supply Voltage 1.8 - 3.3 V
VIH Input high voltage 0.8VDD - - V
VIL Input low voltage - - 0.2VDD V
RPU Pull-up resistance VIN = 0V 100K - -
RPD Pull-down resistance VIN = VDD 100K - -
Vina FMIN, AMIN and IFIN input voltage 300 - mV(pp)
IOL Output low current VOL = 0.4V - 1 - mAIOH Output high current VOH = VDD - 0.4V - 1 - mA
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
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A ASP
15
8 Application Diagram
The application circuits in this section is for reference only. Modifications may be needed to suit particular applications.
8.1 Application circuit
MHzkHz
PM
ST
FM
AM
COM1
COM2
COM3
COM4
S1
S10
S11
S2
S3
S4
S5
S6
S7
S8
S9
AP915V3
IC1
AMIN
BAND
BAND_
Z
BASS
BUZZER
C1
C2
COM1
COM2
COM3
COM4
DO
FMIN
GND
HOLD
IFIN
JUMPER
KI0
KI1
KI2
KI3
KI4
KI5
KO0
KO1
KO2
KO3
MONO
MUTE
RESETB
S1
S10
S11
S12
S13
S14
S2
S3
S4
S5
S6
S7
S8
S9
STEREO
TEST
VDD
VEE
VLCD
V_
RADIO
XIN
XOUT
T2
T1
T4T3
T5
SW SW
SW
SW
SW
SW
SW
SW SWSW SW
SWSW SWSW
SW SWSW
R14
100K
R1
39K
R3
22K
R2
1MEG
I_440
100K
R12
100K
R11
100K
R5
200K
R13
10K
Y
C9
0.1U
C7
0.01U
C8
1U
C16
100U
C14
0.1U
C11
0.1U
C6
300P
C12
47P
C5
15P
C4
15P
C3
0.1U
C1
0.47U
C2
0.1U
IFIN
VT
MUTE
RADIO_PWR
BAND
STEREO
POWER
FMIN
AMIN
GND
BAND_Z
BUZZER
MONO
BASS
KI[0]
KI[1]
KI[2]
KI[3]
KI[4]
KI[5]
KO[0]
KO[1]
KO[2]
KO[3]
on PCB designIt may be ommited depending
to reduce digital noise
1.8V Voltage Regulator
on the RF board designUse either BAND or BAND_Z pin depending
VDD approx. 1.8V
L:BASS OFF H:BASS ON
L:MONO MODE H:STEREO MODE
L:FM MODE H:AM MODE
Z:FM MODE L:AM MODE
L:STEREO RECEIVED H:MONO RECEIVED
L:RADIO OFF H:RADIO ON
ModelCLK_EN
Smode1AMStep
Bias5MemPowKey
Smode0FMStepA1A0
M3 Snooze
OnOffM.UpAlarmSLEEP BASS
HOLDMONOBANDM/CLK
M.Dn
M4M1 M5M2
T.DNT.UP
75kHz
Figure 7 Application Circuit
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
P
A ASP
16
8.2 Application circuit example Model 0 without clock, tact switch on/off, 1/8 IF
AP915V3
IC1
AMIN
BAND
BAND_
Z
BASS
BUZZER
C1
C2
COM1
COM2
COM3
COM4
DO
FMIN
GND
HOLD
IFIN
JUMPER
KI0
KI1
KI2
KI3
KI4
KI5
KO0
KO1
KO2
KO3
MONO
MUTE
RESETB
S1
S10
S11
S12
S13
S14
S2
S3
S4
S5
S6
S7
S8
S9
STEREO
TEST
VDD
VEE
VLCD
V_
RADIO
XIN
XOUT
MHz
kHzPM
ST
FM
AM
COM1
COM2
COM3
COM4
S1
S10
S11
S2
S3
S4
S5
S6
S7
S8
S9
T2
T1
SW
SW SW SW
SW
SW
SW
SW
SW SWSW SW
SW
SW SW
R5
1MEG
R4
100K
R14
100K
R1
39K
R3
22K
R2
1MEG
Y
C16
100U
C9
0.1U
C7
0.01U
C8
1U
C14
0.1U
C11
0.1U
C6
300P
C12
47P
C5
15P
C4
15P
C30.1U
C10.47U
C2
0.1U
IFIN
VT
MUTE
RADIO_PWR
BAND
STEREO
POWER
FMIN
AMIN
GND
MONO
BASS
KI[0]
KI[1]
KI[2]
KI[3]
KI[4]
KI[5]
KO[0]
KO[1]
KO[2]
KO[3]
Model 0 without CLOCK with Power key use tact switch
1/8 IF count, 10 memory in each band, LCD 1/3 bias
Model0
SLEEPOnOff
Smode0
L:BASS OFF H:BASS ON
L:MONO MODE H:STEREO MODE
L:FM MODE H:AM MODE
L:STEREO RECEIVED H:MONO RECEIVED
L:RADIO OFF H:RADIO ON
ModelCLK_EN
Smode1AMStep
Bias5MemPowKey
FMStepA1A0
M3
M.UpAlarm BASS
HOLDMONOBANDM/CLK
M.Dn
M4M1 M5M2
T.DNT.UP
75kHz
Figure 11 Application circuit example Model 0
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
P
A ASP
17
8.3 Radio module circuit example 1/8 IF
DC3V
L2
J1
D5
1N4148
D6
1N4148
T1
Q2
CF210.7M
CF1
450K
C25
4.7UC16
100U
C10
1UC8
4.7U
C17
47U
C22
1U
C21
1U
C13
0.47U
Q1
Q3
Q4
Q6
Q5
R9
330
R2
100K
R12
10
R17
2.2K
R5
3.3K
R1
100K
R3
100K
R4
100K
R10
2.2K
R11
220
I_64
12K
R15
1M
R16 39K
R14
100K
R13
100
R6
10K
R8
10K
R7
2.2K
T2
L4
TC2TC1L1
L3
C24
0.1U
C14
0.1U
C2
0.02U
C26
1000P
C27
2P
C15
103
C11
0.1U
C9
0.1U
C7
102
C1
150P
C5
5PC6
10PC3
100P
C4
470P
C28
104
C29
104
C19
47P
C18
102
C23
0.1U
C12
2200P
D2
1SV149
D4
1SV149
D3
1SV101
D1
1SV101
BPF
IC1
TA2104B
FM_
RFI
FM_
RFO
MPX_
IN
AGC
AMIF
AM_
OSC
AM_
RFI
DET_
OUT
FMIF
FM_
OSC
GND
IFREQ
LOW_
CUT
LPF1
LPF2
L_
OUT
MIX_
OUT
OSC_
OUT
QUAD
RF_
GND
RF_
VCC
R_
OUT
ST_
LED
VCC
BAND
AMIN
FMINSTEREO
IFIN
MUTE
VT
L_OUTRADIO_PWR
R_OUT
POWER
GND
9013
9013
9013
9012
C2458
C2458
10.7M
2SK118
Figure 12 Radio module circuit example 1/8 IF
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AP915 - 003
DTS Controller for Portable Radio
Revision 0.3 5 May 2003
P
A ASP
18
8.4 Application circuit example - Model 1 with clock, slide switch on/off, Full IF
MHzkHz
PM
ST
FM
AM
COM1
COM2
COM3
COM4
S1
S10
S11
S2
S3
S4
S5
S6
S7
S8
S9
AP915V3
IC1
AMIN
BAND
BAND_
Z
BASS
BUZZER
C1
C2
COM1
COM2
COM3
COM4
DO
FMIN
GND
HOLD
IFIN
JUMPER
KI0
KI1
KI2
KI3
KI4
KI5
KO0
KO1
KO2
KO3
MONO
MUTE
RESETB
S1
S10
S11
S12
S13
S14
S2
S3
S4
S5
S6
S7
S8
S9
STEREO
TEST
VDD
VEE
VLCD
V_
RADIO
XIN
XOUT
T2
T1
T4T3
T5
SW SW
SW
SW
SW
SW
SW
SW SWSW SW
SW SW
SW SWSW
R14
100K
R1
39K
R3
22K
R2
1MEG
I_440
100K
R12
100K
R1
1
100K
R5
200K
R13
10K
Y
C9
0.1U
C7
0.01U
C8
1U
C16
100U
C14
0.1U
C11
0.1U
C6
300P
C12
47P
C5
15P
C4
15P
C3
0.1U
C1
0.47U
C2
0.1U
IFINVT
MUTE
RADIO_PWR
STEREO
POWER
FMIN
AMIN
GND
BAND_Z
BUZZER
MONO
BASS
KI[0]
KI[1]
KI[2]
KI[3]
KI[4]
KI[5]
KO[0]
KO[1]
KO[2]
KO[3]
Full IF count, 5 memory in each band, LCD 1/3 bias
Model 1 with Clock, Power key use slide switch
Model1
PowKey
on PCB designIt may be ommited depending
to reduce digital noise
1.8V Voltage Regulator
on the RF board designUse either BAND or BAND_Z pin depending
VDD approx. 1.8V
L:BASS OFF H:BASS ON
L:MONO MODE H:STEREO MODE
L:FM MODE H:AM MODE
Z:FM MODE L:AM MODE
L:STEREO RECEIVED H:MONO RECEIVED
L:RADIO OFF H:RADIO ON
ModelCLK_EN
Smode1AMStep
Bias5Mem
Smode0FMStepA1A0
M3 Snooze
OnOffM.UpAlarmSLEEP BASS
HOLDMONOBANDM/CLK
M.Dn
M4M1 M5M2
T.DNT.UP
75kHz
Figure 13 Application circuit example Model 1