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 70
68 UART_RX GPIO_51 1.8V B-PU ▲
69 UART_RI GPIO_23 1.8V B-PU ▲
70 UART_DCD GPIO_24 1.8V B-PU ▲
71 UART_TX GPIO_52 1.8V B-PU ▲
72 UART_DTR GPIO_22 1.8V B-PU ▲
73 PCM_OUT GPIO_27 1.8V B-PD ▲
74 PCM_IN GPIO_28 1.8V B-PD ▲
75 PCM_SYNC GPIO_26 1.8V B-PD ▲
76 PCM_CLK GPIO_25 1.8V B-PD ▲
100 RMII_RX_CTRL GPIO_00 RMII_LDO B-PU ▲
101 RMII_RXD0 GPIO_01 RMII_LDO B-PU ▲
102 RMII_RXD1 GPIO_02 RMII_LDO B-PU ▲
103 RMII_CLK GPIO_03 RMII_LDO B-PU ▲
104 RMII_TXD0 GPIO_06 RMII_LDO B-PU ▲
105 RMII_TXD1 GPIO_07 RMII_LDO B-PU ▲
106 RMII_TX_CTRL GPIO_15 RMII_LDO B-PD ▲
107 RMII_INT GPIO_18 RMII_LDO B-PU ▲
109 RMII_MDC GPIO_16 RMII_LDO B-PD ▲
110 RMII_MDIO GPIO_17 RMII_LDO B-PU ▲
112 LCD_BK_EN GPIO_126 1.8V B-PD ▲
114 UART2_TX GPIO_53 1.8V B-PU ▲
115 UART2_RX GPIO_54 1.8V B-PU ▲
116 WLAN_CLK_REQ GPIO_125 1.8V B-PD ▲
123 WLAN_WAKE_HOST GPIO_117 1.8V B-PU ▲
Note: The GPIO level of 100, 101, 102, 103, 104, 105, 106, 107, 109 and 110 pins is determined by
108PIN RMII_LDO, which supports both 1.8V and 3.3V voltages.