User's Manual

WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
3 Technical specifications
3.1 General Purpose Connector pin out description
Pin # Name I/O I/O type Description Comment
1 CHG_IN I Supply Supply for battery
charging
High current
2 CHG_IN I Supply Supply for battery
charging
High current
3 SIM_CLK O 2 X Clock for SIM interface
4 CHG_IN I Supply Supply for battery
charging
High current
5 SIM_RST O 2 X Reset for SIM interface
6 ON/~OFF I CMOS Power ON/OFF control
7 SIM_DATA I/O CMOS / 3X I/O for SIM interface
8 SDA/SPI_IO I/O CMOS/1X Wire interface or SPI
Serial Data
9 SIM_VCC O Supply SIM card supply 6 mA max
10 SCL/SPI_CLK O 1X Wire interface or SPI
Serial clock
11 VDD I Supply Low power supply 3.1 V minimum or
connected to VBATT
12 BOOT I CMOS BOOT
Pull down through 1 KΩ
for Flash downloading
13 ROW0 I/O CMOS/1X Keyboard Row
14 ~RST I/O SCHMITT Module Reset Active low
15 ROW1 I/O CMOS/1X Keyboard Row
16 ~INTR I CMOS External interrupt
Active low. 100 KΩ
Pull-up inside
17 ROW2 I/O CMOS/1X Keyboard Row
18 GPI or
CT103/TXD2 *
I CMOS or 3x General Purpose Input or
Aux.serial Link (UART2)
100K Pull-down inside -
Multiplexed
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