HT95C20P datasheet(1/42 Pages) HOLTEK

номер детали	HT95C20P

подробное описание детали	8-Bit LCD Type Phone Controller MCU

PDF	42 Pages

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производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

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HT95L100/10P

8-Bit LCD Type Phone Controller MCU

Rev. 0.10

1

October 1, 2002

Features

· Provide MASK type and OTP type version

· Operating voltage range: 2.4V~5.5V

· Program ROM: 4K´16 bits

· Data RAM: 1152´8 bits

· Up to 20 bidirectional I/O lines

· 16-bit table read instructions

· Eight-level subroutine nesting

· Timer:

- Two 16-bit programmable Timer/Event Counter

- Real time clock (RTC)

- Watchdog Timer (WDT)

· Programmable frequency divider (PFD)

· Dual system clock: 32768Hz, 3.58MHz

· Four operating modes: Idle mode, Sleep mode,

Green mode and Normal mode

· Up to 1.117ms instruction cycle with 3.58MHz system

clock

· Built-in 3.58MHz DTMF Generator

· LCD driver:

- 20 seg.´8 com.

- 4 segments can per nibble option to bidirectional

I/O lines

- LCD contrast can be adjusted by software or exter-

nal resistor

- Fixed frame frequency 64Hz

· Built-in Low Battery detector

· All instructions in one or two machine cycles

· Built-in dialer I/O

· 64-pin QFP package

Applications

· Deluxe Feature Phone

· Caller ID Phone

· Cordless Phone

· Fax and answering machines

· Other communication system

General Description

The HT95L100/10P are 8-bit high performance

RISC-like microcontrollers with built-in DTMF generator

and dialer I/O which provide MCU dialer implementation

or system control features for telecom product applica-

tion. The phone controller has a built-in program ROM,

data RAM, LCD driver and a maximum of 20 I/O lines for

high end products design. In addition, for power man-

agement purpose, it has a built-in frequency up conver-

sion circuit (32768Hz to 3.58MHz) which provides dual

system clock and four types of operation modes. For ex-

ample it can operate with low speed system clock rate of

32768Hz in green mode with little power consumption. It

can also operate with high speed system clock rate of

3.58MHz in normal mode for high performance opera-

tion. To ensure smooth dialer function and to avoid MCU

shut-down in extreme low voltage situation, the dialer

I/O circuit is built-in to generate hardware dialer signals

such as on-hook, hold-line and hand-free. Built-in real

time clock and programmable frequency divider are pro-

vided for additional fancy features in product develop-

ments. The device is best suitable for feature phone

products that comply with versatile dialer specification

requirements of different areas or countries.

Preliminary

Аналогичный номер детали - HT95C20P

производитель	номер детали	датащи	подробное описание детали
Holtek Semiconductor In...	HT95C20P	324Kb / 50P	8-Bit CID Type Phone Controller MCU October 1, 2002
	HT95C20P	364Kb / 52P	LCD Type Phone 8-Bit MCU May 26, 2004
	HT95C20P	416Kb / 51P	CID Type Phone 8-Bit MCU May 26, 2005

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Аналогичное описание - HT95C20P

производитель	номер детали	датащи	подробное описание детали
Holtek Semiconductor In...	HT95AXXX	360Kb / 48P	I/O Type Phone 8-Bit MCU May 26, 2004
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	HT49R70A-1	326Kb / 42P	LCD Type 8-Bit MCU April 24, 2006
	HT95CXXX	416Kb / 51P	CID Type Phone 8-Bit MCU May 26, 2005
	HT95R24	365Kb / 53P	Phone 8-bit MCU February 17, 2009
	HT95R25	354Kb / 51P	Phone 8-bit MCU March 6, 2009
	HT49R30A-1	270Kb / 41P	LCD Type 8-Bit MCU
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Аналогичный номер детали - HT95C20P

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