HT82A822R Datasheet (Holtek Semiconductor)

HT82A822R, USB Speaker OTP MCU

This HT82A822R is an 8-bit high performance RISC-like microcontroller designed for USB Speaker product applications.

The HT82A822R combines a 16-bit DAC, USB transceiver, SIE (Serial Interface Engine), audio class processing unit, FIFO, 8-bit MCU into a single chip.

The DAC in the HT82A822R is opera

HT82A822R Features

* USB 2.0 full speed compatible

* USB spec v1.1 full speed operation and USB audio

* 192´8 MCU type data memory RAM (Bank0)

* 128´8´4 Speaker Out Data RAM (Bank1, Bank2, device class spec v1.0

* Operating voltage: fSYS= 6MHz/12MHz: 4.0V~5.5V

* Low voltage reset function (3.0