usb_jtag.pdf

1
1 2 3 4 A B C D 4 3 2 1 D C B A Title Number Revision Size A4 Date: 26-Jul-2009 Sheet of File: C:\home\PCB\USB blaster clone.ddb Drawn By: 1A1 2 1Y1 18 1A2 4 1Y2 16 1A3 6 1Y3 14 1A4 8 1Y4 12 2A1 11 2Y1 9 2A2 13 2Y2 7 2A3 15 2Y3 5 2Y4 3 1G 1 2G 19 2A4 17 VCC 20 GND 10 U? 74VHC244 C? 0.1u C? 10u GND GND 1 2 3 4 5 6 7 8 9 10 CN2 JTAG GND GND GND B_TDO B_ASDO B_TCK B_TMS B_NCE B_NCS B_TDI TCK/DCLK TDO/CONF_DONE TMS/nCONFIG --/DATA0/nSTATUS TDI/ASDI/DATA0 GND VCC nCE nCS GND [ JTAG / AS / PS ] B_OE nRXF nTXE nRD WR D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] CLK GND USB FT245R CPLD/FPGA module +5V(USB BUS POWER) AKI AE-FT245R Vin -> Vio=3.3V 24MHz 1 2 3 4 5 6 7 8 18 12 23 21 OSC 9,24 21 CK0 21 23 53 44 35 34 30 28 27 22 17 16 12 8 4 1 2 5 9 11

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Page 1: USB_jtag.pdf

1 2 3 4

A

B

C

D

4321

D

C

B

ATitle

Number RevisionSize

A4

Date: 26-Jul-2009 Sheet of File: C:\home\PCB\USB blaster clone.ddb Drawn By:

1A12

1Y118

1A24

1Y216

1A36

1Y314

1A48

1Y412

2A111

2Y19

2A213

2Y27

2A315

2Y35

2Y43

1G1

2G19

2A417

VCC20

GND10

U?

74VHC244

C?

0.1u

C?10u

GND

GND

1 23 45 67 89 10

CN2

JTAG GND

GND

GND

B_TDOB_ASDO

B_TCKB_TMS

B_NCEB_NCS

B_TDI

TCK/DCLKTDO/CONF_DONETMS/nCONFIG--/DATA0/nSTATUSTDI/ASDI/DATA0

GNDVCCnCEnCSGND

[ JTAG / AS / PS ]

B_OE

nRXFnTXEnRDWRD[7]D[6]D[5]D[4]D[3]D[2]D[1]D[0]

CLK

GND

USB

FT245R CPLD/FPGA module

+5V(USB BUS POWER)

AKI AE-FT245R

Vin -> Vio=3.3V24MHz

1234567818122321

OSC

9,24

21CK0

212353443534302827221716

128412

59

11