Differences between GM47 and GM47r5
LZT 123 7733 R1A
6
2.2 GM47r5/GM48r5
Pinout
Default @ PU
Pin Signal Name
Signal Name Pin
Default @ PU
1 VCC
DGND 2
3 VCC
DGND 4
5 VCC
DGND 6
7 VCC
DGND 8
9
VCC
DGND
10
VCC – 0.5V
11
CHG_IN DGND
12
200µs rise RC
13
I/O5
ADC4
ON/OFF 14
15 SIMVCC
SIMPRESENCE 16
17 SIMRST
SIMDAT 18
19 SIMCLK
DAC 20
I/P 100K 2V7
21
I/O1
I/O2
ADC5
22
200µs rise RC
I/P 100K 2V7
23
I/O3
I/O4
24
I/P 100K 2V7
25 VRTC
ADC1 26
27 ADC2
ADC3 28
29 SDA
SCL 30
LO, pulse on
sound
31
BUZZER
O3
DSR
32
HI for 330mS
then
LO
LO, HI on LED
light.
33
LED
I/O6
VIO 34
LO, pulse 1.2µs
appears 1ms
after VIO
35 TX_ON
RI
O2
36
HI for 330mS
then
LO for 260mS
then HI
I/P 100K 2V7
37
DTR
IN1
DCD
O1
38
HI for 330mS
then
LO for 260mS
then HI
I/P 100K 2V7
39
RTS
I/O9
CTS
O4
40
HI for 330mS
then
LO
LO
41 TD
RD 42
HI for 90ms then
low pulse for
1µs then HI
0.7V for 1ms
then LO
43
TD3
I/O7
RD3
I/O8
44
HI, LO pulses
then LO
0.7V for 1ms
then LO
45 TD2
RD2 46
HI for 90ms then
low pulse for
1µs then HI
47 PCMULD
PCMDLD 48
49 PCMO
PCMI 50
51 PCMSYN
PCMCLK 52
53 MICP
MICN 54
55 BEARP
BEARN 56
57 AFMS
SERVICE 58
59 ATMS
AGND 60
PU = Power Up