HT45RM03 datasheet(1/54 Pages) HOLTEK

No. de pieza	HT45RM03

Descripción Electrónicos	Brushless DC Motor Type 8-Bit OTP MCU

PDF	54 Pages

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Fabricante Electrónico	HOLTEK [Holtek Semiconductor Inc]

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HT45RM03

Brushless DC Motor Type 8-Bit OTP MCU

Rev. 1.10

1

February 16, 2007

General Description

The HT45RM03 is 8-bit, high performance, RISC archi-

tecture microcontroller devices specifically designed for

A/D applications that interface directly to analog signals,

such as those from sensors.

The advantages of low power consumption, I/O flexibil-

ity, programmable frequency divider, timer functions,

oscillator options, multi-channel A/D Converter, Pulse

Width Modulation function, HALT and wake-up func-

tions, enhance the versatility of these devices to suit a

wide range of A/D application possibilities such as sen-

sor signal processing, motor driving, industrial control,

consumer products, subsystem controllers, etc.

Features

· Operating voltage:

fSYS=4MHz: 2.2V~5.5V

fSYS=8MHz: 3.3V~5.5V

fSYS=12MHz: 4.5V~5.5V

· 23 bidirectional I/O lines (max.)

· 4 interrupt input shared with 4 I/O line

· Two 8-bit programmable timer/event counter with

overflow interrupt and 7-stage prescaler

· On-chip crystal and RC oscillator

· Watchdog Timer

· 4096´15 program memory

· 192´8 data memory RAM

· Supports PFD for sound generation

· HALT function and wake-up feature reduce power

consumption

· Up to 0.33ms instruction cycle with 12MHz system

clock at VDD=5V

· 8-level subroutine nesting

· 8 channels 9-bit resolution A/D converter

· 3-channel 10-bit PWM with complementary output

shared with six I/O lines

· Bit manipulation instruction

· 15-bit table read instruction

· 63 powerful instructions

· All instructions in one or two machine cycles

· Low voltage reset function

· One operational Amplifier

· One Comparator with interrupt function

· 28-pin SKDIP/SOP packages

Technical Document

· Tools Information

· FAQs

· Application Note

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