HT82A850R Datasheet | Holtek Semiconductor

HT82A850R Audio MCU Features - Operating voltage: f SYS= 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 48k Hz/8k Hz 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 - 8k Hz 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 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 48/8k Hz and the 16-bit PCM ADC operates at a frequency of 8k Hz for the Microphone input. The DAC in the HT82A850R also has a digital programmable gain amplifier, whose gain ranges from -32d B to +6d B. For the ADC input, the digital gain range is from 0d B to 19.5d B. .. Rev....