Specifications

WM_PRJ_Q2400_PTS_001 - 003
6th November 2002
confidential ©
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3 Technical specifications
3.1 Interfaces
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 SIMCLK O 2 X Clock for SIM
interface
4 CHG_IN I Supply Supply for battery
charging
High current
5 SIMRST O 2 X Reset for SIM
interface
6 ON/~OFF I CMOS Power ON/OFF
control
7 SIMDATA I/O CMOS / 3X I/O for SIM interface
8 SDA/SPI_IO I/O CMOS/1X Wire interface or SPI
Data
9 SIMVCC O Supply SIM card supply 6mA max
10 SCL/SPI_CLK O 1X Wire interface or SPI
clock
11 VDD I Supply Low power supply 3.1V minimum or
connected to
VBATT
12 BOOT I CMOS BOOT Pull down
through 1K 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. 100K
Pull-up inside
17 ROW2 I/O CMOS/1X Keyboard Row
18 GPI I CMOS General Purpose
Input
100K Pull-down
inside
19 ROW3 I/O CMOS/1X Keyboard Row
20 GPO2 O 1X General Purpose
Output
21 ROW4 I/O CMOS/1X Keyboard Row
22 GPO1 I/O 3X General Purpose
Output
23 COL0 I/O CMOS/1X Keyboard Column
24 GPIO0 I/O CMOS/2X General Purpose I/O
25 COL1 I/O CMOS/1X Keyboard Column