HT48R05A1 Holtek, HT48R05A1 Datasheet

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HT48R05A1

Manufacturer Part Number

HT48R05A1

Description

SOP-18

Manufacturer

Holtek

Datasheet

1.HT48R05A1.pdf (44 pages)

Specifications of HT48R05A1

Date_code

10+

Current page: 1 of 44
Download datasheet (283Kb)

Features

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General Description

The device is an 8-bit high performance

RISC-like microcontroller designed for multi-

ple I/O product applications. The device is par-

ticularly suitable for use in products such as

remote controllers, fan/light controllers, wash-

ing machine controllers, scales, toys and vari-

Operating voltage:

f

f

13 bidirectional I/O lines

An interrupt input shared with an I/O line

8-bit programmable timer/event counter with

overflow interrupt and 8-stage prescaler

On-chip crystal and RC oscillator

Watchdog Timer

512´14 program memory PROM

32´8 data memory RAM

Buzzer driving pair and PFD supported

HALT function and wake-up feature reduce

power consumption

SYS

SYS

=4MHz: 3.3V~5.5V

=8MHz: 4.5V~5.5V

8-Bit OTP Microcontroller

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ous subsystem controllers. A HALT feature is

included to reduce power consumption.

The program and option memories can be elec-

trically programmed, making the microcontrol-

ler suitable for use in product development.

Up to 0.5ms instruction cycle with 8MHz

system clock at V

All instructions in one or two machine

cycles

14-bit table read instruction

Two-level subroutine nesting

Bit manipulation instruction

63 powerful instructions

Low voltage reset function

16-pin SSOP package

18-pin DIP/SOP package

HT48R05A-1

DD

=5V

November 29, 2000

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