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Holtek HT48R10A-1 - User Manual

Holtek HT48R10A-1
174 pages
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HT48R10A-1, HT48R30A-1,
HT48R50A-1, HT48R70A-1,
HT48RU80
I/O Type MCU
Handbook
Third Edition
June 2006
Copyright Ó 2006 by HOLTEK SEMICONDUCTOR INC. All rights reserved. Printed in Taiwan. No part of this publication
may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photo
-
copying, recording or otherwise without the prior written permission of HOLTEK SEMICONDUCTOR INC.

Table of Contents

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Holtek HT48R10A-1 Specifications

General IconGeneral
BrandHoltek
ModelHT48R10A-1
CategoryMicrocontrollers
LanguageEnglish

Summary

Part I Microcontroller Profile

Chapter 1 Hardware Structure

Overview of the I/O Type MCU series, features, and target applications.

Features

Details on technology, kernel, and peripheral features of the microcontrollers.

Selection Table

Table summarizing key features to help users select the appropriate microcontroller.

Pin Description

Detailed descriptions of each pin's function, I/O capabilities, and configuration options.

Absolute Maximum Ratings

Specifies the electrical stress limits for the device to prevent damage.

D.C. Characteristics

Lists DC electrical parameters, including voltage, current, and resistance values.

A.C. Characteristics

Details AC electrical parameters like frequency, timing, and pulse widths.

Program Memory

Describes the memory where user code is stored, including OTP and Mask ROM types.

Status Register - STATUS

Details the STATUS register flags and their functions in controlling operations.

Timer Control Registers

Explains timer control registers for configuring operating modes and prescalers.

Configuring the Timer Mode

Details how to set up timers for measuring time intervals using the internal clock.

Configuring the Event Counter Mode

Explains how to use timers to count external logic events via timer input pins.

Configuring the Pulse Width Measurement Mode

Describes how to measure the width of external pulses using the timer.

Interrupts

Covers external and internal interrupt functions, including control registers.

Interrupt Registers

Details on interrupt control registers (INTC, INTC0, INTC1) for managing interrupts.

Reset and Initialization

Covers various reset types (Power-on, RES, LVR, WDT) and their effects.

Reset

Details the different ways a microcontroller reset can occur, including internal and external methods.

Universal Asynchronous Receiver;Transmitter - UART

Introduces the integrated UART function for serial communication.

UART Status and Control Registers

Lists UART control registers (USR, UCR1, UCR2, BRG) for configuration.

System Clock Configurations

Details methods for generating system clocks: crystal, RC, and internal RC.

Power Down Mode and Wake-up

Covers entering Power Down Mode and various wake-up sources.

Watchdog Timer

Explains the WDT for preventing malfunctions and its clock sources and prescalers.

Configuration Options

Lists MCU options programmed during development, like WDT clock source and wake-up features.

Part II Programming Language

Chapter 4 Assembly Language and Cross Assembler

Part III Development Tools

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