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HT82A850R - Audio MCU

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General Description

The HT82A850R is an 8-bit high performance RISC-like microcontroller designed for USB Phone product applications.

The HT82A850R integrates a 16-bit PCM ADC and an 8-bit MCU into a single device.

The DAC in the HT82A850R operates at a sampling rate of 48/8kHz and the 16-bit PCM ADC operates at a frequency of 8kHz for the Microphone input.

Overview

HT82A850R Audio MCU.

Key Features

  • Operating voltage: fSYS= 6MHz/12MHz: 3.3V~5.5V.
  • Low voltage reset function (3.0V±0.3V).
  • Embedded high performance 16 bit PCM DAC.
  • Built-in digital Programmable Gain Amplifier - PGA.
  • High-performance 48kHz/8kHz sampling rate for au.
  • Play/record interrupt.
  • HALT function and wake-up feature reduce power consumption.
  • 24 bidirectional I/O lines (max. ).
  • Two 16-bit programmable timer/event counter and dio software playback.
  • 8kHz audio recording sampli.

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