HT82A851R Datasheet (Holtek Semiconductor)

HT82A851R, USB Audio MCU

The HT82A851R is an 8-bit high performance RISC-like microcontroller designed for wireless USB Phone product applications.

The HT82A851R combines a SPI, USB transceiver, SIE (Serial Interface Engine), audio class processing unit, FIFO and an 8-bit MCU into a single chip.

The play frequency in the HT

HT82A851R Features

* Operating voltage: fSYS = 6M/12MHz: 3.3V~5.5V

* 16 bidirectional I/O lines (max.)

* Two 16-bit programmable timer/event counters and

* Two hardware implemented Isochronous transfers

* Total FIFO size: 464 bytes (8, 8, 384, 32, 32 for EP0~EP4)

* Programmable frequency divid