Holley Group Co. Ltd. HZME3A Manuel D’Utilisation

Holley 1mW ZigBee Module Manual (V1.0.0) 

6                                                                    2009.09.30   

 

 

 
 

Table 3-01: Pin Assignment 

Module Pin 

Signal 

Corresponding 
EM250 Pin 

Pin Description 

1 

VDD  

-  

DC3.3V supply   

2 

VDD  

-  

DC3.3V supply   

3 GPIO1 

22 

Digital I/O 

SPI master data in of Serial Controller SC2 

SPI slave data out of Serial Controller SC2 

I2C data of Serial Controller SC2 

Capture Input A of Timer 2 

4 GPIO2 

24 

Digital I/O 

SPI master clock of Serial Controller SC2 

SPI slave clock of Serial Controller SC2 

I2C clock of Serial Controller SC2 

Capture Input B of Timer 2 

5 GPIO12 

20 

Digital I/O 

UART RTS handshake of Serial Controller SC1

Capture Input B for Timer 2 

6 GPIO0 

21 

Digital I/O 

SPI master data out of Serial Controller SC2 

SPI slave data in of Serial Controller SC2 

Capture Input A of Timer 1