HT9480 datasheet(1/47 Pages) HOLTEK

номер детали	HT9480

подробное описание детали	8-Bit Numerical Pager Controller MCU

PDF	47 Pages

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производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

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HT9480

8-Bit Numerical Pager Controller MCU

Rev. 1.20

1

July 31, 2002

Features

· Operating voltage: 2.4V~3.3V

· Low power crystal oscillator control

- 512, 1200, or 2400 bps data rate operation

· Decodes CCIR Radio-paging Code No.1 (POCSAG

Code)

· 2-bit random and optional 4-bit burst error correction

· Improved synchronization algorithm

· Supports up to 6 independently programmable user

addresses and 6 user frames

· Three RF power on timing control pins

· Single crystal for all available baud rate (76.8kHz

crystal)

· Battery low indication (external detector)

· Battery fail interrupt and data ready interrupt

· 8K´16 program ROM

· 416´8 data RAM

· 35´4 LCD display

· 7 input lines and 10 bidirectional I/O lines

· 8-bit programmable timer for RTC interrupt

· 8-bit programmable timer/event counter and over-

flow interrupt

· 8-bit programmable tone generator with buzzer out-

put

· Watchdog Timer

· HALT function and wake-up feature reduce power

consumption

· 63 powerful instructions, most instructions in one

machine cycle

· Eight-level subroutine nesting

· Table read instruction

· Inverted or non-inverted input signal selection for de-

coder input

· 80-pin LQFP(12´12) package

General Description

The HT9480 is a high performance pager controller. The

built-in single cycle instructions (16-bit wide) and

two-stage pipeline architecture of the HT9480 account

for its high performance. The controller contains a full

function pager decoder (POCSAG code) at 512, 1200,

or 2400 bits per second data rate and an LCD display

driver with a 35

´4 dot output.

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