Specifications

WM_PRJ_Q2400_PTS_002 - 001
24th October 2002
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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
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 Q24x6C products
(version with 64 Mb of Flash memory and 8 Mb of SRAM).
Pin description
Signal Pin
number
I/O I/O
type
Description Multiplexed
with
CT104 / TXD2 18 I 3X Receive serial data GPI
CT103 / RXD2 20 O CMOS Transmit serial data GPO2
CT106 / CTS2 24 I CMOS Clear To Send GPIO0
CT105 / RTS2 35 O 2X Ready To Send GPIO5
A
A
A
T
T
T