Installation Instructions

Table Of Contents
L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 19
Figure 3 L508LA Functional Block Diagram
2.2.1 Introduction to baseband function
L508 baseband mainly includes the following signal groups: USB Interface, USIM interface, I2C
interface, SDIO interface, RMII interface, PCIe interface, UART interface, ADC interface, multiple
programmable general input and output, PCM digital audio interface, module boot, module control
signal, power and ground.
2.2.2 Introduction to radio frequency function