Single Board Computer CM3 Extension Board

• Compatible with Raspberry B+, 2B, 3B,

• Supports 4 Serial interfaces

• RS-232 x 2 + RS-422/485 x 2

• Built in RTC / Watch dog

• On board 16 x GPIO

• Reset button / buzzer

• I2C / SPI interface

• Dual Power input interfaces

Compatibility

Supported : Raspberry Pi Model B+ , 2B , 3B

Serial Interface

Port number :   4

Port Type :       RS-232 x 1 Port ( DB9, Full ) ,

                       RS-232 x 1 Port ( DB9, Tx, Rx, GND, PW)

                       RS-422/485 x 2 Port (Software select)

Connector :      Male DB9 x 2 / 4-pin Terminal Block x 2

Speed :            300 bps ~ 230.4 Kbps

Parity :             None , Odd , Even , Mark , Space

Data Bit :          5, 6 , 7 , 8

Stop Bit :          1 , 2

Protection :       RS- 422/485 Surge Protection

                        Built in 15KV ESD protection for all signals

Other Interfaces

Watchdog :       Built in H/W Watchdog timer

RTC :               Built in RTC

I2C :                x 1 (3-pin; SDA, SCL, VCC)

Debug Port :     x 1 (3-pin; Tx, Rx, GND)

SPI :                x 1 (6-pin)

Power Interface

5V Connector:   x 2

Connector :  2.5mm white 2-pin wafer  x 2

12V Connector: x 2

12V :           2.5mm red 2-pin wafer  x 2

Reset             x 1

Buzzer            x 1  

USB Interface

Port number     x 1

Function :        Storage, WiFi Dongle, Bluetooth Dongle

LED                PWR, SYS, Tx/Rx0, Tx/Rx1, Tx/Rx2, Tx/Rx3

Digital I/O     GPIO x 16 pins

Input Power

Input :            DC 12 ~ 30V, 1000mA@ 12VDC

Port Type :      DC Jack x 1 + 2-pin Terminal Block x 1

Environment

Temperature : Operating:  0°C ~ 65°C (32°F ~ 149°F)

                       Storage: -10°C ~ 70°C (-14°F ~ 158°F)

Humidity :      Operating:  10% ~ 95% non-condensing

                       Storage:  5% ~ 95% non-condensing

Regulatory Approval

FCC                  Part15 Class A 

CE                   EN55022 Class A, EN55024

RoHS               Compliance

Warranty            1 Year