Datasheet > HT95R22

HT95R22

更新时间： 2024-11-05 11:00:11

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		电话
页数	文件大小	规格书
52页	357K
描述
I/O Type Phone 8-bit MCU

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HT95R22 数据手册

HT95R22

I/O Type Phone 8-bit MCU

Technical Document

Application Note

HA0075E MCU Reset and Oscillator Circuits Application Note

Features

Operating voltage at f_SYS= 3.58MHz: 2.2V~5.5V

4K´16 OTP type Program Memory

576´8 Data Memory

DTMF generator

Power-down and wake-up feature for power-saving

operation: Idle mode, Sleep mode, Green mode and

normal mode

18 bidirectional I/Os with pull-high options

2 NMOS output-only lines

Up to 1.117ms instruction cycle with 3.58MHz system

clock at V_DD=2.2V~5.5V

External interrupt input

Bit manipulation instructions

Table read function

Dual 16-bit timers with interrupts

Timer external input

63 powerful instructions

8-level stack

All instructions executed in 1 or 2 machine cycles

32768Hz system oscillator

Supported by comprehensive suite of hardware and

software tools

32768Hz to 3.58MHz frequency-up PLL circuit

Real time clock function

28-pin SOP package

Watchdog timer function

General Description

The HT95R22 MCU is an 8-bit high performance, RISC

architecture microcontroller device specially designed

for telephone applications. Device flexibility is en-

hanced with its internal special features such as

power-down and wake-up functions, DTMF generator,

etc. These features combine to ensure applications re-

quire a minimum of external components and therefore

reduce overall product costs.

Having the advantages of low-power consumption,

high-performance, I/O flexibility as well as low-cost, the

device has the versatility to suit a wide range of applica-

tion possibilities such as deluxe feature phones, cord-

less phones, fax and answering machines, etc.

The device is best suited for phone products that com-

ply with versatile dialer specification requirements for

different areas or countries. The device is fully sup-

ported by the Holtek range of fully functional develop-

ment and programming tools, providing a means for fast

and efficient product development cycles.

Rev. 1.00

January 6, 2009

12 3 4 5 6 7...52

中文翻译

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