User's Manual

WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
 Warning:
The auxiliary serial link (UART2) is not available on Q24x6D and Q24x6E products (version
with 64 Mbits of Flash memory).
Pin description
Signal Pin
number
I/O I/O type Description Multiplexed
with
CT103 / TXD2 18 I 3X Receive serial data GPI
CT104 / RXD2 20 O CMOS Transmit serial data GPO2
CT106 / CTS2 24 I CMOS Clear To Send GPIO0
CT105 / RTS2 35 O 2X Request To Send GPIO5
2.9 SIM interface
2.9.1 General Description
5 signals are available:
• SIM_VCC: SIM power supply.
• SIM_RST: reset.
• SIM_CLK: clock.
• SIM_DATA: I/O port.
• SIM_PRES: SIM card detect.
The SIM interface controls a 3 V SIM card (and a 5 V SIM card through an external SIM driver, refer
to document [1] for more details).
This interface is fully compliant with GSM 11.11 recommendations concerning SIM functions.
Pin description
Signal Pin number I/O I/O type Description
SIM_CLK 3 O 2X SIM Clock
SIM_RST 5 O 2X SIM Reset
SIM_DATA 7 I/O CMOS / 3X SIM Data
SIM_VCC 9 O SIM Power Supply
SIM_PRES 50 I CMOS SIM Card Detect
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