HT45F43 データシートの表示（PDF） - Holtek Semiconductor

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HT45F43

8-Bit Flash MCU with Op Amps & Comparators

Holtek Semiconductor 

HT45F23/HT45F43

8-Bit Flash MCU with Op Amps & Comparators

Features

CPU Features

· Operating voltage:

fSYS= 32768Hz: 2.2V~5.5V

fSYS= 4MHz: 2.2V~5.5V

fSYS= 8MHz: 3.3V~5.5V

fSYS= 12MHz: 4.5V~5.5V

· Up to 0.33ms instruction cycle with 12MHz system clock at VDD= 5V

· TinyPower technology for low power operation

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

· Oscillator types:

- External Crystal - HXT

- External 32.768kHz Crystal - LXT

- External RC - ERC

- Internal RC - HIRC

- Internal 32kHz RC - LIRC

· Multi-mode operation: Normal, Slow, Idle and Sleep

· Fully integrated internal 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external

components

· Externally supplied system clock option

· All instructions executed in one or two machine Cycles

· Table read instructions

· 63 powerful instructions

· 6-level subroutine nesting

· Bit manipulation instruction

Peripheral Features

· Flash Program Memory: 2K´15

· RAM Data Memory: 128´8

· EEPROM Data Memory: 64´8

· Watchdog Timer function

· Up to 22 bidirectional I/O lines

· Software controlled 4-SCOM lines LCD COM driver with 1/2 bias

· Multiple pin-shared external interrupts

· Single 8-bit programmable Timer/Event Counter with overflow interrupt and Single 16-bit

programmable Timer/Event Counter with overflow interrupt function

· Dual Time-Base functions

· Serial Interfaces Module - SIM for SPI or I2C

· Dual Comparator functions (HT45F23/HT45F43) with tiny power consumption (HT45F43 only)

· Dual Operational Amplifiers functions (HT45F23/HT45F43) with tiny power consumption

(HT45F43 only)

· Operational Amplifier output to internal two channel 12-bit ADC function

· Up to 6 channel 12-bit ADC

· Up to 2 channel 8-bit PWM

Rev. 1.20

7

September 15, 2011

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