This datasheet explain all pin function of ic sphe8202a with dac, adc function

华阳DL-201C-DVD与MCU三线通讯协议,很清楚讲解DVD和MCU如何通讯。-The Huayang DL-201C-DVD with the MCU-line communication protocol, it is clear to explain the DVD and how the MCU communication.

this mannual explain internal working of 8202r based board