Q2406 Datasheet, PDF (21/81 Pages) List of Unclassifed Manufacturers – SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE

WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
2.7.2 Typical implementation with a microprossessor
The figure above shows a typical implementation when the Q24x6 Module is
connected to a host microprocessor which is 2,8 V tolerant on the serial port
signals.
Host Microprocessor
AATT
2.8 Auxiliary serial link (Uart2)
For future applications (e.g. Bluetooth connectivity) au auxiliary serial interface
(UART2) will be available on Q24x6A and Q24x6B products.
! Warning :
The auxiliary serial link (UART2) is not available on Q24x6D and Q24x6E
products (version with 64 Mb of Flash memory and 8 Mb of SRAM).
Pin description
Signal
Pin
I/O
number
I/O
type
CT104 / TXD2
18
CT103 / RXD2
20
CT106 / CTS2
24
CT105 / RTS2
35
I
3X
O CMOS
I CMOS
O
2X
Description
Receive serial data
Transmit serial data
Clear To Send
Ready To Send
Multiplexed
with
GPI
GPO2
GPIO0
GPIO5
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