HT68R004数据手册Holtek中文资料规格书

描述 Description

This device is an OTP type 8-bit high performance RISC architecture microcontroller, designed for cost-effective product applications.The device includes two extremely flexible Timer/Event Counters providing functions for timing, event counting and pulse width measurement functions. Protective features such as an internal Watchdog Timer and Low Voltage Reset coupled with excellent noise immunity and ESD protection ensure that reliable operation is maintained in hostile electrical environments.A full choice of internal high and low speed oscillators are provided and the two fully integrated system oscillators require no external components for their implementation. The ability to operate and switch dynamically between a range of operating modes using different clock sources gives users the ability to optimize microcontroller operation and minimize power consumption.The inclusion of flexible I/O programming features, Time-Base function along with many other features ensure that the device will find excellent use in applications such as electronic metering, environmental monitoring, handheld instruments, household appliances, electronically controlled tools, motor driving in addition to many others.

特性 Features

CPU Features
Operating voltage - fSYS =8MHz: 2.0V~5.5V
Up to 0.5μs instruction cycle with 8MHz system clock at VDD =5V
Power down and wake-up functions to reduce power consumption
Oscillator types - Internal High Speed 8MHz RC – HIRC - Internal Low Speed 32kHz RC – LIRC
Multi-mode operation: FAST, SLOW, IDLE and SLEEP
Fully integrated internal oscillators require no external components
All instructions executed in one or two instruction cycles
Table read instructions
61 powerful instructions
4-level subroutine nesting
Bit manipulation instruction

Peripheral Features
OTP Program Memory: (2K-16)×15
Data Memory: 96×8
OTP ROM Parameter Program function – ORPP
Watchdog Timer function
Up to 18 bidirectional I/O lines
Two external interrupt lines shared with I/O pin
Single 8-bit programmable Timer/Event Counter with PWM output - 10-channel PWM function with three kinds of independently adjustable duty cycle
Single 16-bit programmable Timer/Event Counter
Single Time-Base function for generation of fixed time interrupt signals
Low voltage reset function
Software controlled 7-SCOM lines LCD driver with 1/2 bias
Package types: 16-pin NSOP, 20-pin NSOP/SSOP/SOP