Specifications

WM_PRJ_Q2400_PTS_001 - 003
6th November 2002
confidential ©
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26 GPO0 or
SPI_AUX
O 3X General Purpose
Output or SPI Aux
enable
SIM 3V / 5V
27 COL2 I/O CMOS/1X Keyboard Column
28 SPI_EN O 1X SPI enable
29 COL3 I/O CMOS/1X Keyboard Column
30 CT105/RTS I CMOS RS232 interface
Request To Send
Pull up to VCC
with 100K
when not used
31 COL4 I/O CMOS/1X Keyboard Column
32 CT104/RX O 1X RS232 interface –
Receive
33 AUXV0 I Analog Auxiliar ADC input 0 Can be tied to
GND if not used
34 CT108-2/DTR I CMOS RS232 interface
Data Terminal Ready
Pull up to VCC
with 100K
when not used
35 GPIO5 I/O CMOS / 2X General Purpose I/O
36 CT107/DSR O 1X RS232 interface
Data Set Ready
37 CT106/CTS O 1X RS232 interface
Clear To Send
38 BAT_TEMP I Analog ADC input for battery
temperature
measurement
Can be tied to
GND if not used
39 CT103/TX I CMOS RS232 interface –
Transmit
Pull up to VCC
with 100 K
when not used
40 VCC O Supply 2.8V digital supply
output
10mA max.
41 SPK1P O Analog Speaker 1 positive
output
42 MIC1P I Analog Microphone 1
positive input
43 SPK1N O Analog Speaker 1 negative
output
44 MIC1N I Analog Microphone
1negative input
45 SPK2P O Analog Speaker 2 positive
output
46 MIC2P I Analog Microphone 2
positive input
47 SPK2N O Analog Speaker 2 negative
output
48 MIC2N I Analog Microphone 2
negative input
49 BUZ O Analog Buzzer output 80mA max
50 SIMPRES I CMOS SIM Card Detect Tied to VCC
when not used