Gm47R5/Gm48R5 Pinout - Sierra Wireless GM47 Application Note

2.2 GM47r5/GM48r5 Pinout

PU = Power Up
LZT 123 7733 R1A
Differences between GM47 and GM47r5
Default @ PU Pin Signal Name
1 VCC
3 VCC
5 VCC
7 VCC
9 VCC
VCC – 0.5V 11 CHG_IN
I/O5
200µs rise RC 13
ADC4
15 SIMVCC
17 SIMRST
19 SIMCLK
I/P 100K 2V7 21 I/O1
I/P 100K 2V7 23 I/O3
25 VRTC
27 ADC2
29 SDA
LO, pulse on
31 BUZZER
sound
LO, HI on LED LED
33
light. I/O6
LO, pulse 1.2µs
appears 1ms 35 TX_ON
after VIO
DTR
I/P 100K 2V7 37
IN1
RTS
I/P 100K 2V7 39
I/O9
LO 41 TD
0.7V for 1ms TD3
43
then LO I/O7
0.7V for 1ms
45 TD2
then LO
47 PCMULD
49 PCMO
51 PCMSYN
53 MICP
55 BEARP
57 AFMS
59 ATMS
Signal Name Pin Default @ PU
DGND 2
DGND 4
DGND 6
DGND 8
DGND 10
DGND 12
ON/OFF 14
SIMPRESENCE 16
SIMDAT 18
DAC 20
I/O2
22
ADC5
I/O4 24
ADC1 26
ADC3 28
SCL 30
O3
32
DSR
VIO 34
RI
36
O2
DCD
38
O1
CTS
40
O4
HI for 90ms then
RD 42
RD3
44
I/O8
HI for 90ms then
RD2 46
PCMDLD 48
PCMI 50
PCMCLK 52
MICN 54
BEARN 56
SERVICE 58
AGND 60
200µs rise RC
I/P 100K 2V7
HI for 330mS
then
LO
HI for 330mS
then
LO for 260mS
then HI
HI for 330mS
then
LO for 260mS
then HI
HI for 330mS
then
LO
low pulse for
1µs then HI
HI, LO pulses
then LO
low pulse for
1µs then HI
6