RK817_RK809_Codec 开发指南_V1.0_20180228.pdf

RK817/RK809 内置 codec 是高性能音频编解码器：
High performance Audio CODEC
 One internal PLL
 Support microphone input
 Support I2S as the digital signal interface for both DAC and ADC
 Support Automatic Level Control(ALC),limiter and noise gating
 Support programmable digital and analog gains
 Audio resolution from 16bits to 32bits
 Sample rate up to 192KHz
 Provides master and slave work mode, software configurable
 Support 3 I2S formats (normal, left-justified, right-justified)
 Support PDM mode(external input PCLK)