Murata Electronics North America Z2430A Manuel D’Utilisation

Vcc 

+3.3Vdc to +5.5Vdc 

GND 

Power supply grounds. All ground pins must be connected to circuit 
ground. 

PWMA - B 

Two pulse width modulated outputs that can be used to create an 
analog output with the addition of simple RC filters. 

GPIO0 - 5 

Six general purpose input/output pins. Software configurable as 
inputs or outputs. When configured as an output, power up state is 
software configurable. 

LINK /TDO 

Output status signal indicating module link status in default mode. 
When JTAG port is enabled, serves as JTAG Test Data Output. 

/RST 

Active Low reset input. Tied to pin 24 

ACT/DC 

LED indicates RF data activity/JTAG data clock input. Leave 
disconnected if JTAG port will not be used. 

NC No 

Connection 

ADC REF 

Module’s +3.3V supply, for use in ratiometric ADC readings. Load 
on this pin must be less than 5mA. 

UART_RX 

Receive data input signal of module UART. Data to be sent to the 
module is transmitted on this pin. 

UART_TX 

Transmit data output signal of module UART. Data received by the 
module will be transmitted to the local host on this pin. 

NC 

No Connection. Leave disconnected. 

/RESET 

Active Low module hardware reset input. Must be held low when 
supply voltage is between +1.5Vdc and +2.7Vdc. 

ADCX – Z 

Three 10-bit Analog to Digital inputs. Inputs limited to 0Vdc to 
+2.5Vdc. 

SPI_EN 

Active Low chip enable output for SPI bus devices 

SPI_SCLK 

SPI port clock signal 

SPI_MOSI 

SPI port data output. 

SPI_MISO 

SPI port data input 

NC 

No Connection. Leave disconnected. 

RF 

RF signal output pin. Connect to antenna or antenna connector 
using a 50 ohm microstrip line.