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 27
2 GND -- -- Ground
3 EXTON1N AI VBAT Power-on trigger, level trigger (active low)
4 RESET DI 1.8V reset input. Active low
5 GND -- -- Ground
6 SPI_CLK
DO
1.8V
SPI clock
B_PD Configurable I/O
7 SPI_MISO
DI
1.8V
SPI input data
B_PD Configurable I/O
8 SPI_MOSI
DO
1.8V
SPI output data
B_PD Configurable I/O
9 SPI_CS
DO
1.8V
SPI chip select
B_PD Configurable I/O
10 GND -- -- Ground
11 USB_VBUS PI VBUS USB Power input
12 USB_DN AI, AO 3.3V USB high-speed data - minus
13 USB_DP AI, AO 3.3V USB high-speed data - plus
14 GND -- -- Ground
15 VDD1V8 PO LDO for 1/O
16 USB_ID DI 1.8V USB high-speed data - ID
17 USIM_DATA B 1.8V/3V SIM data line
18 USIM_RST DO 1.8V/3V SIM reset control
19 USIM_CLK DO 1.8V/3V SIM clock
20 USIM_VDD PO 1.8V/3V LDO output for SIM card power
21 MMC_CMD DO 1.8V/3V Secure digital controller 1command
22 MMC_DATA0 B 1.8V/3V Secure digital controller 1 data bit 0
23 MMC_DATA1 B 1.8V/3V Secure digital controller 1 data bit 1