Installation Instructions
Table Of Contents
- Contents
- List of Table
- List of Figures
- 1 About this document
- 2 Product Overview
- 3 Mechanical Dimensions
- 4 Interface description
- 4.1 Pin Definition
- 4.2 Operating conditions
- 4.3 Digital logic characteristics
- 4.4 Power interface
- 4.5 USIM card interface
- 4.6 PCM interface
- 4.7 USB2.0 interface
- 4.8 UART interface
- 4.9 SPI interface
- 4.10 I2C interface
- 4.11 Network light
- 4.12 System Status Indication
- 4.13 Flight Mode
- 4.14 Forced USB download interface
- 4.15 SD card interface
- 4.16 SDIO_WIFI/EMMC interface
- 4.17 PCIe interface
- 4.18 RMII/RGMII interface
- 4.19 AUDIO interface
- 4.20 ADC
- 4.21 GPIOs
- 4.22 Power on/off and reset interface
- 4.23 Antenna interface
- 5 Product characteristics
- 6 Design Guideline
- 7 Storage, Production and Package
- 8 Safety Information
- 空白页面
- 空白页面
L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 29
46# ADC2 AI
L508E: Voltage detection range:0-1.3V
L508LA: Voltage detection range:0-1.8V. Accuracy
is affected by temperature, can be used when the
requirements are not high
47# ADC1 AI
L508E: Voltage detection range:0-1.3V
L508LA: Voltage detection range:0-1.8V. Accuracy
is affected by temperature, can be used when the
requirements are not high
48 MMC_CD DI 1.8V Secure digital card detection
49 STATUS
DO
1.8V
Module status identify: High level power on, low
level power off.
B_PD Configurable I/O
DO RGMII Transmit data 2
50 WAKEUP_IN
DI
1.8V
Interrupt wake up module
B_PD Configurable I/O
DO RGMII Transmit clock
51 NETLIGHT
DO
1.8V
Identify the system network status
B_PD Configurable I/O
DO RGMII Transmit data 3
52 WAKEUP_OUT
DO
1.8V
Module external wake up MCU
B_PU Configurable I/O
53 USIM_CD B_PU 1.8V USIM hot-plug detection (default valid low)
54 FLIGHTMODE
DI
1.8V
The in
put signal, used to control the system into
flight mode, L: flight mode; H: normal mode
B_PU Configurable I/O
55 I2C_SCL
DO
1.8V
I2C clock, Internal 4.7K pull up
B_PU Configurable I/O