User's Manual

GSM/GPRS Module Series
M26 Hardware Design
M26_Hardware_Design Confidential / Released 16 / 80
3.1. Pin of Module
3.1.1. Pin Assignment
AGND
SPK2P
MICP
MICN
SPK1P
SPK1N
PWRKEY
SIM_RST
SIM_CLK
CTS
VRTC
VBAT
GND
GND
DBG_TXD
DBG_RXD
GND
GND
RF_ANT
14
M26
Top View
15 16 17 18 19 20
21 22
36 37 38 39 40 41 42 43 44
1
2
3
4
5
6
7
8
9
10
11
12
13
23
24
25
26
27
28
29
30
31
32
33
34
35
AVDD
ADC0
SIM_GND
SIM_DATA
GND
PCM_OUT
PCM_IN
PCM_SYNC
PCM_CLK
TXD_AUX
RXD_AUX
GND
BT_ANT
RFTXMON
VDD_EXT
RTS
DCD
RI
DTR
TXD RXD
NETLIGHT
RESERVED
SIM_VDD
VBAT
POWER
GND AUDIO
UART
SIM
PCM
ANT
OTHERS
RESERVED
Figure 2: Pin Assignment
Keep all reserved pins open.
NOTE