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 69
L508LA/L508C
: Voltage detection
range:0-
1.8V. Accuracy is affected by
temperature, can be used when the
requirements are not high
4.21 GPIOs
The L508 has a rich GPIO interfaces and pins defined as follows:
Table 36 GPIO list
Pin No. Pin Name GPIO voltage
Reset
state
Wakeup
6 SPI_CLK GPIO_33 1.8V B-PD ▲
7 SPI_MISO GPIO_35 1.8V B-PD ▲
8 SPI_MOSI GPIO_36 1.8V B-PD ▲
9 SPI_CS GPIO_34 1.8V B-PD ▲
28 GPIO_21 GPIO_21 1.8V B-PU ▲
30 WLAN_PDN GPIO_04 1.8V B-PU ▲
42 WLAN_DCDC_EN GPIO_123 1.8V B-PD ▲
49 STATUS GPIO_13 1.8V B-PU ▲
50 WAKEUP_IN GPIO_12 1.8V B-PU ▲
51 NETLIGHT GPIO_14 1.8V B-PD ▲
52 WAKEUP_OUT GPIO_118 1.8V B-PU ▲
54 FLIGHTMODE GPIO_120 1.8V B-PU ▲
55 I2C_SCL GPIO_49 1.8V B-PU ▲
56 I2C_SDA GPIO_50 1.8V B-PU ▲
66 UART_RTS GPIO_32 1.8V B-PU ▲
67 UART_CTS GPIO_31 1.8V B-PU ▲