User's Manual

WM_PRJ_Q2400_PTS_002 - 004
March 5, 2004
Pin # Name I/O I/O type Description Comment
(UART1) used
40 VCC O Supply 2.8 V digital supply output 10 mA max.
41 SPK1P O Analog Speaker 1
positive output
42 MIC1P I Analog Microphone 1 positive
input
43 SPK1N O Analog Speaker 1
negative output
44 MIC1N I Analog Microphone 1
negative input
45 SPK2P O Analog Speaker 2
positive output
46 MIC2P I Analog
47 SPK2N O Analog Speaker 2
negative output
48 MIC2N I Analog Microphone 2
negative input
49 BUZ O Analog Buzzer output 80 mA max
50 SIM_PRES I CMOS SIM Card Detect
51 GPIO3 or
CT109/DCD1
I/O
O
CMOS/2X General Purpose I/O
Serial interface
Data Carrier Detect
(UART1)
Multiplexed
52 GPIO1
FLASH LED
I/O CMOS/2X General Purpose I/O
Module State
Multiplexed
53 GPIO4 I/O CMOS/2X General Purpose I/O
54 GPIO2 or
CT125 / RI1
I/O
O
CMOS/2X General Purpose I/O
Serial interface
Ring Indicator
(UART1)
Multiplexed
55 +VBATT Supply Battery Input High current
56 VCC_RTC I/O Supply RTC back-up supply
57 +VBATT Supply Battery Input High current
58 +VBATT Supply Battery Input High current
59 +VBATT Supply Battery Input High current
60 +VBATT Supply Battery Input High current
Microphone 2
positive input
* Auxiliary Serial link not available on Q24x6D and Q24x6E products
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