HT82A851R mcu equivalent, usb audio mcu.
* 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 impl.
The HT82A851R combines a SPI, USB transceiver, SIE (Serial Interface Engine), audio class processing unit, FIFO and an .
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