User's Manual

Wireless CPU Q24 Series
Technical Specifications
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WM_PRJ_Q24NG_PTS_001-003
November 2006
Pin Name I/O I/O type Reset state Description
Dealing with
unused pins
35
GPIO5 or
CT105/RTS2
I/O
I
CMOS/CMOS 2X
(C1) or CMOS
High
impedance
General Purpose
I/O or
Clear To Send
(UART2)
Not connected
36
CT107/DSR1
O CMOS 1X (C3) 2V8
Data Set Ready
(UART1)
Not connected
37 CT106/CTS1 O CMOS 1X (C1)
High
impedance
Clear To Send
(UART1)
Test point
(Download
purposes)
38 BAT_TEMP I Analog
High
impedance
ADC input for
battery
temperature
measurement
Tied to GND
39 CT103/TXD1 I CMOS
High
impedance
Transmit serial
data (UART1)
100kΩ pull-up to
2V8 with test
point (download
and debug
purposes)
40 VCC O Supply 2V8
2.8 V digital
supply output
Not connected
41 SPK1P O Analog -
Speaker 1
positive output
Not connected
42 MIC1P I Analog -
Microphone 1
positive input
Not connected
43 SPK1N O Analog -
Speaker 1
negative output
Not connected
44 MIC1N I Analog -
Microphone 1
negative input
Not connected
45 SPK2P O Analog -
Speaker 2
positive output
Not connected
46 MIC2P I Analog -
Microphone 2
positive input
Not connected
47 SPK2N O Analog -
Speaker 2
negative output
Not connected
48 MIC2N I Analog -
Microphone 2
negative input
Not connected
49 BUZZER O Analog - Buzzer output Not connected
50 SIM_PRES I CMOS
High
impedance
SIM Card Detect Tied to 2V8
51
GPIO3 or
CT109/DCD1
I/O
O
CMOS/CMOS 2X
(C1) or
CMOS2X (C1)
High
impedance
General Purpose
I/O or
Data Carrier
Detect (UART1)
Not connected
52
GPIO1
FLASH LED
I/O
O
CMOS/CMOS 2X
(C1) or
CMOS2X (C1)
High
impedance
General Purpose
I/O or
Flash LED
Not connected
53 GPIO4 I/O
CMOS/CMOS 2X
(C1)
High
impedance
General Purpose
I/O
Not connected