Datasheet > HT82A834R(48LQFP-A)

HT82A834R(48LQFP-A)

更新时间： 2024-01-16 08:37:10

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		微控制器
页数	文件大小	规格书
49页	356K
描述
Microcontroller

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技术参数
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HT82A834R(48LQFP-A) 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.84	Base Number Matches：	1

HT82A834R(48LQFP-A) 数据手册

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HT82A834R

USB Audio MCU

Features

Operating voltage: f_SYS= 6M/12MHz: 3.3V~5.5V

Two hardware implemented Isochronous transfers

24 bidirectional I/O lines (max.)

Total FIFO size: 496 bytes

(8, 8, 384, 64, 32 for EP0~EP4)

Two 16-bit programmable timer/event counters and

overflow interrupts

Programmable frequency divider (PFD)

Integrated SPI hardware circuit

Play/Record Interrupt

4096´15 program memory ROM

192´8 data memory RAM (Bank 0)

HALT and wake-up features reduce power

consumption

USB 2.0 full speed compatible

USB spec V1.1 full speed operation and USB audio

Watchdog Timer

device class spec V1.0

16-level subroutine nesting

Bit manipulation instruction

15-bit table read instruction

63 powerful instructions

Embedded high-performance 16 bit PCM ADC

Built-in Digital PGA (Programmable Gain Amplifier)

48kHz/8kHz sampling rate for audio playback

controlled by software option

8kHz/16kHz audio recording sampling rate

All instructions executed within one or two machine

cycles

Embedded class AB speaker driver power amplifier

Low voltage reset function (3.0V±0.3V)

Embedded High Performance 16 bit audio DAC

48-pin SSOP/LQFP package

Supports audio playback digital volume control

5 endpoints supported (endpoint 0 included)

Supports 1 Control, 2 Interrupt, 2 Isochronous

transfer

General Description

The HT82A834R is an 8-bit high performance RISC-like

microcontroller designed for USB Phone product

applications. The HT82A834R combines a 16-bit PCM

ADC, USB transceiver, SIE (Serial Interface Engine),

audio class processing unit, FIFO and an 8-bit MCU into

a single chip. The DAC in the HT82A834R operates at a

sampling rate of 48kHz/8kHz and the 16-bit PCM ADC

operates at 8/16kHz for the Microphone input. For the

DAC, the HT82A834R has a digital programmable gain

amplifier. The gain range is from -32dB to +6dB. For the

ADC input, the digital gain range is from 0dB to 19.5dB.

Rev. 1.00

August 27, 2007

12 3 4 5 6 7...49

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