Datasheet Summary
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HT82A821R Basic USB Speaker OTP MCU
Features
- USB 2.0 full speed patible
- USB spec v1.1 full speed operation and USB audio
- Total FIFO size are 400 byte (8, 8, 384 for EP0~EP2)
- 2048´15 program memory ROM
- 192´8 MCU type data memory RAM (Bank0)
- HALT function and wake-up feature reduce power device class spec v1.0
- Operating voltage: fSYS= 6MHz/12MHz: 4.0V~5.5V
- Low voltage reset function (3.0V±0.3V)
- High-performance 48kHz sampling rate for audio consumption
- 8 bidirectional I/O lines (max.)
- Two 16-bit programmable timer/event counter and playback
- Embedded class AB power amplifier for speaker overflow interrupts
- Watchdog Timer
- 16-level...