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WM_PRJ_Q2686_PTS_001-010
June 30, 2009
Q2686 Wireless CPU
®
3
Interfaces
3.1
General Purpose Connector (GPC)
A 100-pin connector is provided to interface the Q2686 Wireless CPU
®
with a
board containing either a serial LCD Wireless CPU
®
, a keyboard, a SIM
connector, or a battery connection.
The available interfaces on the GPC are described below:
Chapter
Name
Driven by
AT
commands
Driven by
Open AT
®
3.4 Serial
Interface
X
3.5 Keyboard
Interface X
X
3.6
Main Serial Link
X
X
3.7
Auxiliary Serial Link
X
X
3.8 SIM
Interface X X
3.9
General Purpose IO
X
X
3.10
Analog to Digital
Converter
X X
3.11 Analog
Audio
Interface
X X
3.12 Buzzer
Output X X
3.13 Battery
Charging
Interface
X X
3.17 External
Interruption X
X
3.18 VCC_2V8
and
VCC_1V8
3.19 BAT-RTC
(Backup
Battery)
3.20
LED0 signal
X
X
3.21 Digital
Audio
Interface
(PCM)
X
3.22
USB 2.0 Interface
X
X
