HT82A832R Datasheet, PDF (1/51 Pages) Holtek Semiconductor Inc – Basic USB Phone OTP MCU

HT82A832R
Basic USB Phone OTP MCU
Features
· Operating voltage: f_SYS = 6M/12MHz: 4.0V~5.5V
· 24 bidirectional I/O lines (max.)
· Two 16-bit programmable timer/event counters and
overflow interrupts
· 4096´15 program memory ROM
· 192´8 data memory RAM (Bank 0)
· USB 2.0 full speed compatible
· USB spec V1.1 full speed operation and USB audio
device class spec V1.0
· 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 audio recording sampling rate
· Embedded class AB speaker driver power amplifier
· Embedded High Performance 16 bit audio DAC
· Supports audio playback digital volume control
· 5 endpoints supported (endpoint 0 included)
· Supports 1 Control, 2 Interrupt, 2 Isochronous
transfer
· Two hardware implemented Isochronous transfers
· Total FIFO size: 464 bytes
(8, 8, 384, 32, 32 for EP0~EP4)
· Programmable frequency divider (PFD)
· Integrated SPI hardware circuit
· Play/Record Interrupt
· HALT and wake-up features reduce power
consumption
· 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
· Low voltage reset function (3.0V±0.3V)
· 48-pin SSOP/LQFP package
General Description
The HT82A832R is an 8-bit high performance RISC-like
microcontroller designed for USB Phone product
applications. The HT82A832R 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 HT82A832R operates at a
sampling rate of 48kHz/8kHz and the 16-bit PCM ADC
operates at 8kHz for the Microphone input. For the
DAC, the HT82A832R 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
1
July 18, 2006