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 61
MODULE
WLAN_CMD
EMMC
WLAN_DCDC_EN
VCCQ
SD_CMD
WL AN_DAT0
SD_D0
WL AN_DAT2
SD_CLK
WL AN_PDN
RST_n
SD_D2
SD_D1
WL AN_DAT1
SD_D3
VBAT
VCC
EN
OUT
VIN
GND
WLAN_CLK
WL AN_DAT3
LDO
10K
NC
NC
NC
NC
NC
1pF
NC
EN
OUT
VIN
GND
LDO
SD_D4
SD_D6
SD_D5
SD_D7
10K
10K
10K
10K
DS
Figure 32 SDIO_EMMC reference design
4.17 PCIe interface
The L508 module provides a RC interface (PCIe Gen1 X1 Lane) to connect to WIFI chips or other
peripherals. PCIe Gen1 has a maximum transmission speed of 2.5Gbps.
4.17.1 Pin Description
Table 31 PCIe interface definitions
Pin No. Pin Name I / O type Functional description
70 UART_DCD DO PCIE_CHIP_EN，WIFI Chip cold start signal
119 WLAN_CMD B_PU PCIE_WK_IN，WIFI Wake-up module signal
122 WLAN_CLK B_PU PCIE_RSTN，WIFI Chip hot start signal