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 59
routes should be placed in the inner layer as far as possible. CLK, CMD, DATA0, DATA1, DATA2,
DATA3 line equal length processing; CLK needs to be packaged separately.
Table 30 SDIO routing length inside the module
The length of routes outside the module should be considered the length of routes in the module. and
the total length of routes should be equal.
Pin No. Pin Name Length (mm)
L508E
117 WLAN_DAT1 14.81
118 WLAN_DAT2 25.53
119 WLAN_CMD 23.87
120 WLAN_DAT3 15.08
121 WLAN_DAT0 12.31
122 WLAN_CLK 16.66
L508LA/L508C
117 WLAN_DAT1 11.01
118 WLAN_DAT2 28.36
119 WLAN_CMD 21.25
120 WLAN_DAT3 20.76
121 WLAN_DAT0 15.65
122 WLAN_CLK 14.12
L508TLC
117 WLAN_DAT1 10.78
118 WLAN_DAT2 21.39
119 WLAN_CMD 19.75