HT66F25D(2012) 查看數據表（PDF） - Holtek Semiconductor

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HT66F25D
(Rev.:2012)

A/D Flash Type 8-bit MCU with EEPROM

Holtek Semiconductor 

A/D Flash Type 8-bit MCU with EEPROM

HT66F24D/HT66F25D

Features

CPU Features

• Operating voltage:

• fSYS= 8MHz: 2.2V~5.5V

• fSYS= 12MHz: 2.7V~5.5V

• fSYS= 20MHz: 4.5V~5.5V

• Up to 0.2μs instruction cycle with 20MHz system clock at VDD= 5V

• Power down and wake-up functions to reduce power consumption

• Four Oscillator types:

External high frequency Crystal – HXT

Internal RC – HIRC

External 32.768kHz Crystal – LXT

Internal 32kHz RC – LIRC

• Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP

• Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components

• All instructions executed in one or two instruction cycles

• Table read instructions

• 63 powerful instructions

• Up to 8-level subroutine nesting

• Bit manipulation instruction

Peripheral Features

• Program Memory: 2K x16 ~ 4K x 16

• Data Memory: 96 x 8 ~ 192 x 8

• EEPROM Memory: 64 x 8

• Watchdog Timer function

• Up to 26 bidirectional I/O lines

• Multiple pin-shared external interrupts

• Multiple Timer Module for time measure, input capture, compare match output, PWM output or

single pulse output function

• Dual Time-Base functions for generation of fixed time interrupt signal

• Up to 8 channels 12-bit ADC

• Low voltage reset function

• Low voltage detect function

• LED Driver

• Wide range of available package types

Rev. 1.00

6

July 26, 2012

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