Q2686H WAVECOM, Q2686H Datasheet - Page 38

MODULE, GSM/GPRS, QUAD BAND

Q2686H

Manufacturer Part Number
Q2686H
Description
MODULE, GSM/GPRS, QUAD BAND
Manufacturer
WAVECOM
Datasheet

Specifications of Q2686H

Mcu Supported Families
ARM9
Kit Features
GSM/GPRS Class 10 Quad Band Version, 32MB Of Bursted Flash Memory, 8MB Of SRAM
Tool / Board Applications
Wireless Communication
Development Tool Type
CPU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
3.7 Auxiliary Serial Link (UART2)
For future applications (e.g. Bluetooth connectivity) an auxiliary serial interface
(UART2) will be available on the Q2686 product.
See Chapter 3.3, “Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and Reset state definition.
* According to PC view
The Q2686 is designed to operate using all the serial interface signals. In
particular, it is recommended to use RTS and CTS for hardware flow control in
order to avoid data corruption during transmission.
The maximum baud rate of UART2 is 115 Kbit/s for the firmware 6.60 and 921
Kbit/s for the later firmware versions.
For use with 2-wire serial interface
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
~CT106 /
~CT105 /
CT103 /
CT104 /
RXD2*
TXD2*
CTS2*
RTS2*
Signal
This case is possible for connected external chip, but not recommended
(and forbidden for AT command or modem use)
The external chip must be a flow control.
CT103/TXD2*, CT104/RXD2*
The signals ~CT105/RTS2*, ~CT106/CTS2* are not used, you must
configure the AT command (AT+IFC=0,0 see AT commands interface
Guide [7]).
The signal ~CT105/RTS2* must be configured at low level.
Other signals and their multiplexes are not available.
Please refer to technical appendixes in the AT commands interface Guide
[7] for more information.
number
Pin
31
30
32
33
confidential ©
UART2 interface pin description
I/O
O
O
I
I
I/O type
1V8
1V8
1V8
1V8
Reset
state
Z
Z
Z
Z
Transmit serial data
Receive serial data
Request To Send
Clear To Send
Description
Q2686 Wireless CPU
Multiplexed
Interfaces
GPIO14
GPIO15
GPIO16
GPIO17
with
March 6, 2007
Page: 37 / 87
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