SimCom SIM900 Hardware Design

SIM900 Hardware Design
10
RXD
44
GPIO5/KBR0
11
DISP_CLK
45
GND
12
DISP_DATA
46
GND
13
DISP_D/C
47
GPIO6/KBC4
14
DISP_CS
48
GPIO7/KBC3
15
VDD_EXT
49
GPIO8/KBC2
16
NRESET
50
GPIO9/KBC1
17
GND
51
GPIO10/KBC0
18
GND
52
NETLIGHT
19
MIC_P
53
GND
20
MIC_N
54
GND
21
SPK_P
55
VBAT
22
SPK_N
56
VBAT
23
LINEIN_R
57
VBAT
24
LINEIN_L
58
GND
25
ADC
59
GND
26
VRTC
60
RF_ANT
27
DBG_TXD
61
GND
28
DBG_RXD
62
GND
29
GND
63
GND
30
SIM_VDD
64
GND
31
SIM_DATA
65
GND
32
SIM_CLK
66
STATUS
33
SIM_RST
67
GPIO11
34
SIM_PRESENCE
68
GPIO12
SIM900_HD_V1.05 06.23.2010
57

SimCom SIM900 Specifications

General

Brand	SimCom
Model	SIM900
Category	Modem
Language	English