Q2426A
| Model | Q2426A |
| Description | SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE |
| PDF file | Total 81 pages (File size: 909K) |
| Chip Manufacturer | ETC |
WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
Pin
#
38
Name
BAT_TEMP
I/O
I
I/O type
Analog
Description
ADC input for battery
temperature
measurement
RS232 interface –
Transmit
2.8V digital supply
output
Speaker 1 positive
output
Microphone 1
positive input
Speaker 1 negative
output
Microphone
1negative input
Speaker 2 positive
output
Microphone 2
positive input
Speaker 2 negative
output
Microphone 2
negative input
Buzzer output
SIM Card Detect
General Purpose I/O
RS232 – Data Carrier
Detect
Comment
Can be tied to
GND if not used
Pull up to VCC
with 100 KΩ
when not used
10mA max.
39
CT103/TXD1
I
CMOS
40
41
42
43
44
45
46
47
48
49
50
51
VCC
SPK1P
MIC1P
SPK1N
MIC1N
SPK2P
MIC2P
SPK2N
MIC2N
BUZ
SIMPRES
GPIO3 or
CT109/DCD1
O
O
I
O
I
O
I
O
I
O
I
I/O
O
I/O
I/O
I/O
O
Supply
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
CMOS
CMOS/2X
80mA max
Multiplexed
52
53
54
GPIO1
FLASH LED
GPIO4
GPIO2 or
CT125 / RI1
CMOS/2X
CMOS/2X
CMOS/2X
General Purpose I/O
Module State
General Purpose I/O
General Purpose I/O
RS232 - Ring
Indicator
Multiplexed
Multiplexed
55
+VBATT
Supply
Battery Input
High current
Page :
52 / 81
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