User Manual

G610 GPRS Module Hardware User Manual Page 38 of 47
43 CTS_N Clear To Send O CP L
41 DCD_N Data Carrier Detect O CP H
SIM Interface (3.0V)
2 SIM_VCC SIM power O 0.3V
1.8V
2.85V
±3%
Output current <10mA
5 SIM_CLK SIM clock O T 3.58MHz
VOL
MAX
=0.35V
VOHMIN=VSIM-0.35V
VILMAX=0.2*VSIM
VIHMIN=0.7*VSIM
4 SIM_DATA SIM data I/O OD/PD Wave
6 SIM_RST SIM reset O T L
3 SIM_CD
SIM on site detect
High level is on site
I T L
PCM audio / Trace (SPI)
53 PCM_DIN Trace data input I CP H
VOLMAX=0.35V
VOHMIN=VDD-0.35V
VILMAX=0.2
VIHMIN=0.7*VDD
50 PCM_FS Trace data output O CP H
52 PCM_CLK Trace clock output O CP L
51 PCM_DOUT General purpose I/O O CP H
48 TR_INT Trace Interrupt Input I CP H
Audio
13 MIC-
1st Audio channel (default)
Balanced input
I 0V 0V
14 MIC+
11 AUXI+
2nd Audio channel
Balanced input
I 0V
2.85V
12 AUXI- 0V
16 EAR-
1st Audio channel (default)
Balanced output
O 0V 0V
15 EAR+
18 AUXO+
2nd Audio channel
Balanced output
O 0V 1.0V
17 AUXO-
Discrete
23 RF_ANT RF antenna port
47 HS_DET Headset detect
19 ADC2 General purpose A/D I 0V 0V 0V ~ 1.000V
20 ADC1 General purpose A/D I 0V 0V 0V ~ 1.000V
36 SDA/GPIO19 I2C_SDA I/O OD OD
Extend voltage
37 SCL/GPIO18 I2C_SCL I/O OD OD
31 GPIO07 General purpose IO I T T VOLMAX=0.35V