3V3

5V

GND

PC1 PCINT924 ADC1PC0 PCINT823 ADC0

PC2 PCINT1025 ADC2PC3 PCINT1126 ADC3

15A116A2

14A0

17A3

17 SCKPB5 PCINT5 13

PC629 PCINT14RESET

A722 ADC719 ADC6 A6

PC4 PCINT1227 ADC4 SDA 18A4PC5 PCINT1328 ADC5 SCL 19A5

PC6 29PCINT14 RESETGND

PD0 30RXDPCINT160PD1 31TXDPCINT171

PB1 13PCINT1 OC1A9PB0 12PCINT0 CLKOICP18PD7 11PCINT23 AIN17PD6 10PCINT22 AIN0OC0A6PD5 9PCINT21 T1OC0B5PD4 2PCINT20 T0XCK4PD3 1PCINT19 INT1OC2B3PD2 32PCINT18 INT02

PB3 15PCINT3 OC2MOSI11PB2 14PCINT2 OC1BSS10 AREF21

VIN

Analog exclusively Pins

PB4 16PCINT4MISO12

HIGH Run, LOW Flash

8

EN3ADC2

IO5IO3IO1

RXD0TXD0

TXD1TXD2

MISO10MOSI

CS1

CS2

9INT

CS13

CLK 14

15GND VCC

TOUT

SDCMDSDD0SDD1

SDCLK

WAKE

RST1

HSPIDHSPICS

HSPIQ

HSPICLK

CTS0RTS0 RXD2

When you use the sleep mode, IO16 and RST should be connectedand IO16 will output LOW to reset the system at the time of wakeup.

On every boot/reset/wakeup IO15 must keep LOW, IO2 must keep HIGH.

SDD2SDD3

On boardAntenna

Absolute MAX per pin 12mArecommended 6mA

IO137IO126IO145IO164

IO0 18IO4 19

202122

IO15 16IO2 17

IO10 12 IO911

As know as CHPD

RESET

IO5 20

IO0 18IO2 17

IO4 19

RXD021

EN3ADC2TXD022

GNDGND

Master ResetRST1

PC6PCINT14 RESET

GND 5V

PB418 MISOPCINT4

PB519 SCKPCINT5

1

PB317 MOSIPCINT3OC2A

OptionalLipoly Battery

VIN

3V3

Absolute MAX 200mAfor entire package

Absolute MAX per pin 20mArecommended 10mA

Serial PinGNDPowerArduino IDE

Analog PinControlINTPhysical PinPort PinPin functionInterrupt PinPWM Pin

Port Power

The power sum for each pin’s group should not exceed 100mA

RESET BUTTON

14 JUL 2016ver 1 rev 0

FISHINOPINOUT

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