Use Instructions
Table Of Contents
- 1 About this document
- 2 Product Overview
- 3 Interface Description
- 3.1 PIN Definition
- 3.2 Operating condition
- 3.3 Digital I/O characteristics
- 3.4 Power Interface
- 3.5 UIM interface
- 3.6 PCM interface(TBD)
- 3.7 USB2.0 interface
- 3.8 UART Interface
- 3.9 Power on/off and reset interface
- 3.10 Interactive interface
- 3.11 Net Light interface
- 3.12 System boot configuration and download
- 3.13 Analog and Digital conversion (ADC) interface
- 3.14 I2C interface
- 3.15 SPI interface
- 3.16 Antenna interface
- 4 Product characteristics
- 5 Design guideline
- 6 Manufacturers
- 7 Package Storage information
- 8 Safety Information
L710HG Hardware Design
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Note: 1. L710HG I2C only support host mode.
2. Only special software version support inquire the I2C.
3.15 SPI interface
SPI signal consists of four signal lines: CS, CLK, MOSI and MISO. When SPI signal is used as the
main device, its maximum speed can reach 50MHZ; when SPI signal is used as a slave device, its
maximum speed can reach 25MHZ. Below figure is the reference design:
图 3-23 SPI MAIN DEVICE
图 3-24 SPI SLAVE DEVICE