Holtek Semiconductor HT82A850R
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.| Part No. | HT82A850R |
|---|---|
| Datasheet | HT82A850R Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Audio MCU |
| Buy | Stock & Price |
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 sampling rate
● Embedded class AB power amplifier for speaker overflow interrupts
● Watchdog Timer
● 16-level subroutine nesting
● Bit manipulation instruction
● 15-bit table read instruction
● 63 powerful instructions
● All instructions executed within one or two machine driving
● Audio playback digital volume control
● 4096´15 program memory
● 384´8 data memory RAM (Bank0,1)
● Programmable frequency divider - PFD
● Integrated SPI hardware circuit cycles
● 48-pin LQFP package
GENERAL DESCRIPTION
The DAC in the HT82A850R also has a digital programmable gain amplifier, whose gain ranges from -32dB to +6dB.
