Use Instructions
Table Of Contents
- 1 About this document
- 2 Product Overview
- 3 Interface Description
- 3.1 PIN Definition
- 3.2 Operating condition
- 3.3 Digital I/O characteristics
- 3.4 Power Interface
- 3.5 UIM interface
- 3.6 PCM interface(TBD)
- 3.7 USB2.0 interface
- 3.8 UART Interface
- 3.9 Power on/off and reset interface
- 3.10 Interactive interface
- 3.11 Net Light interface
- 3.12 System boot configuration and download
- 3.13 Analog and Digital conversion (ADC) interface
- 3.14 I2C interface
- 3.15 SPI interface
- 3.16 Antenna interface
- 4 Product characteristics
- 5 Design guideline
- 6 Manufacturers
- 7 Package Storage information
- 8 Safety Information
L710HG Hardware Design
19
VBAT Main power supply for
the module
3.4 3.8 4.2 V
3.3 Digital I/O characteristics
Table 3-5 1.8V Digital I/O characteristics
Parameter
Description
Min.
Max. Unit
VIH High level input voltage
0.65*VDD_PX - V
VIL Low level input voltage
- 0.35* VDD_PX V
VOH High level output voltage
VDD_PX-0.45 - V
VOL Low level output voltage
- 0.45 V
IOH
High-level output current
(no pull down resistor)
- - mA
IOL
Low-
level output current
(no pull up resistor)
- - mA
IIH
Input high leakage
current (no
pull down resistor)
- 1 uA
IIL
Input low leakage current
(no pull up resistor)
-1 - uA
*Note: 1.These parameters are for digital interface pins, such as SPI, I2C,GPIOs
UART, PCM, SIM,BOOT_CFGn.
2.VDD_PX=VDD_1V8,unless otherwise noted
3.4 Power Interface
3.4.1 Power supply pin description
Table 3-6 DC Power Characteristics
Pin No.
Net Name Description
DC Characteristic（V）
Min. Typ. Max.
25,26,29,30
VBAT
Power supply for
the module RF
3.4 3.8 4.2
5,8,11,17,19,20,22
,27,28,31,32,41,45
,50,60
GND GND - - -