HT82A821R mcu equivalent, basic usb speaker otp mcu.
* USB 2.0 full speed compatible
* USB spec v1.1 full speed operation and USB audio
* Total FIFO size are 400 byte (8, 8, 384 for EP0~EP2)
* 2048´15 progra.
The HT82A821R combines a 16-bit DAC, USB transceiver, SIE (Serial Interface Engine), audio class processing unit, FIFO,.
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