參數(shù)資料
型號(hào)： HT82A850R
廠商： Holtek Semiconductor Inc.
英文描述： Audio MCU
中文描述： 音頻控制器
文件頁(yè)數(shù)： 1/41頁(yè)
文件大?。?/td> 296K
代理商： HT82A850R
HT82A850R
Audio MCU
Rev. 1.10
1
July 25, 2007
General Description
The HT82A850R is an 8-bit high performance RISC-like
microcontroller designed for USB Phone product appli-
cations. 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. The DAC in the
HT82A850R also has a digital programmable gain am-
plifier, whose gain ranges from 32dB to +6dB. For the
ADCinput,thedigitalgainrangeisfrom0dBto19.5dB.
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 48kHz/8kHz sampling rate for au-
dio software playback
8kHz audio recording sampling rate
Embedded class AB power amplifier for speaker
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
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
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
cycles
48-pin LQFP package
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT82A851R 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Audio MCU
HT82B40A 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O MCU with USB Interface
HT82B40R 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O MCU with USB Interface
HT82B40R_11 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O MCU with USB Interface
HT82B42R 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O MCU with USB Interface
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