User's Manual

Neo_N703 WCDMA ModuleDemo Board User Guide
Copyright © Neoway Technology Co., Ltd
4
35 USB_DP DI/O
USB data positive
signal
data transmission
36 VBUS P USB voltage test 4.2V~5.5V, typically 5V
SPI Interfaces
39 SPI_CLK DO SPIclock output
-0.3V<V
IL
<0.6,
1.2V<V
IH
<2.1V,0<V
O
L
<0.45V
1.35V<V
OH
<1.8V
Used in host mode
40 SPI_MOSI DI/O SPIdata input
41 SPI_MISO DI/O SPI data output
42 SPI_CS DO SPI enabling
ADC
31 ADC0 AI ADC0input 12 bit, detectable
voltage range: 0 V to 2.1
V
32 ADC1 AI ADC1input
I2C Interfaces
2 I2C_SCL DO I2C clock output -0.3V<V
IL
<0.6,
1.2V<V
IH
<2.1V,
1.35V<V
OH
<1.8V
0<V
OH
<0.45V
Connected to I2C
components
3 I2C_SDA DI/O I2C data cable
Network LED Indicator
4 NET_LIGHT DO
Indicate network
status
-0.3V<VOL<0.91V
2.15V<VOH<2.6V
Sleep Mode Controlling
46 DTR DI Sleep mode control
-0.3V<V
IL
<0.6,
1.2V<V
IH
<2.1V
SMS and Incoming Call Ring
43 RING DO
SMS and incoming
call ring
0<VOL<0.45V,
1.35V<VOH<1.8V
Antenna Interfaces
58 ANT AI/O 2G/3G antenna 50 Ω impedance
NC Interfaces
5/7/8/21/
28/44/45
/56
NC Reserved pins
Leave them not
connected.
Do not pull up or down.
Reserved RF Interfaces
61 NC
63 NC