HT48R53 datasheet(1/35 Pages) HOLTEK

Part #	HT48R53

Description	I/O Type 8-Bit MCU

PDF	35 Pages

Scroll/Zoom	100%

Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT48R52/HT48R53

I/O Type 8-Bit MCU

Rev. 1.20

1

December 6, 2005

General Description

These devices are 8-bit high performance, RISC archi-

tecture microcontroller specifically designed for multiple

I/O control product applications. The advantages of low

power consumption, I/O flexibility, timer functions, oscil-

lator options, HALT and wake-up functions, watchdog

timer, buzzer driver, as well as low cost, enhance the

versatility of these devices to suit a wide range of appli-

cation possibilities such as industrial control, consumer

products, subsystem controllers, etc.

Features

· Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

· Program memory:

HT48R52: 2k

´14

HT48R53: 4k

´15

· 88´8 data memory

· 40 bidirectional I/O lines

· One External interrupt input

· One Internal interrupt

· 8 bit programmable timer/event counter

· 4-level subroutine nesting

· Watchdog Timer (WDT)

· Buzzer output

· Low voltage reset (LVR)

· External RC and 32768Hz crystal oscillator

· Dual clock system offers three operating modes

- Normal mode: Both RC and 32768Hz clock active

- Slow mode: 32768Hz clock only

- Idle mode: Periodical wake-up by watchdog timer

overflow

· HALT function and wake-up feature reduce power

consumption

· 14-bit table read instructions for HT48R52

· 15-bit table read instructions for HT48R53

· 63 powerful instructions

· One instruction cycle: 4 system clock periods

· All instructions in 1 or 2 instruction cycles

· Bit manipulation instructions

· Up to 0.5ms instruction cycle with 8MHz system clock

· 52-pin QFP package

Technical Document

· Tools Information

· FAQs

· Application Note

- HA0002E Reading Larger than Usual MCU Tables

- HA0007E Using the MCU Look Up Table Instructions

- HA0011E HT48 & HT46 Keyboard Scan Program

- HA0019E Using the Watchdog Timer in the HT48 MCU Series

- HA0020E Using the Timer/Event Counter in the HT48 MCU Series

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HT48R53 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

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