Sierra Wireless WISMO218 - Manual (Page 91)

WA_DEV_W218_PTS_002 Rev 005 Page 91 of 109
Product Technical Specification &
Customer Design Guidelines
Castellation Pin
Pin-Out Description
Pin
#
Signal Description I/O
Pin
#
Signal Description I/O
1 SPKP
Speaker output positive
32 ohms
Analog 24 GPIO1 2.8V GPIO I/O
2 SPKN
Speaker output
negative 32 ohms
Analog 25 SPI-IRQ
2.8V SPI interrupt
request input
I
3 MICP
Microphone input
positive
Analog 26 GND Ground Ground
4 MICN
Microphone input
negative
Analog 27 NC Not connected -
5 AUX_ADC0
Analog to digital
converter
I 28 GND Ground Ground
6 BAT-RTC
Power supply for RTC
backup
I 29 VBATT Power supply I
7 WISMO_READY 2.8V WISMO Ready O 30 VBATT Power supply I
8 SIM-VCC SIM power supply O 31 GND Ground Ground
9 SIM-CLK SIM clock O 32 NC Not connected -
10 SIM-IO SIM data I/O 33 NC Not connected -
11 ~SIM-RST SIM reset O 34 BUZZER 2.8V Buzzer PWM2 O
12 ~RESET input reset signal I 35 PWM1 2.8V DC PWM 1 O
13 SPI-IO 2.8V SPI data input I/O 36 PWM0 2.8V DC PWM 0 O
14 SPI-O 2.8V SPI data output O 37 On/~OFF
Power On control
signal
I
15 SPI-CLK 2.8V SPI clock output O 38 CT103/TXD*
2.8V UART1: Transmit
data
I
16 GPIO3 2.8V GPIO I/O 39 ~CT105/RTS*
2.8V UART1: Request
to send
I
17 ~SPI-CS
2.8V SPI chip select
output
O 40 CT104/RXD*
2.8V UART1: Receive
data
O
18 TX_CTRL 2.8V TX Burst Indicator O 41 ~CT106/CTS*
2.8V UART1: Clear to
send
O
19 GPIO5 2.8V GPIO I/O 42 ~CT107/DSR
2.8V UART1: Data set
ready
O
20 GND Ground
Groun
d
43 ~CT109/DCD
2.8V UART1: Data
carrier detect
O
21 ANT
Radio antenna
connection
I/O 44 ~CT108/DTR
2.8V UART1: Data
terminal ready
I
22 GND Ground
Groun
d
45 ~CT125/RI
2.8V UART1: Ring
indicator
O
23 GND Ground
Groun
d
46 VCC_2V8
2.8V power supply
from module
O