HT85F2270 datasheet(14/226 Pages) HOLTEK

14 / 226 page

Rev. 1.00

14 of ��6

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Standard 8051 8-Bit Flash MCU

HT85F2260/HT85F2270/HT85F2280

1 Features

CPU Features

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Operating Voltage:

● fSYS=3.6864MHz: 2.2V~5.5V

● fSYS=8MHz: 2.2V~5.5V

● fSYS=12MHz: 2.7V~5.5V

● fSYS=24MHz: 4.5V~5.5V

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Program Memory Capacity: 16K×8~64K×8

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Data Memory Capacity: 1280×8~2304×8

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High performance 1-T architecture: 8051

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Up to 32MIPS with 32MHz system clock at VDD=5V

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8051 compatible instruction set

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

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Oscillator types:

● External high frequency crystal

● Internal high frequency RC

● External low frequency crystal

● Internal low frequency RC

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Multi-mode operation: Normal, Idle and Power-Down Modes

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Fully integrated internal 3.6864MHz oscillator requires no external components

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Internal PLL to multiply oscillator frequency up to 1~8 times for high speed system clock

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Watchdog Timer function

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Missing Clock Detector

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Dual 16-bit data pointers with addition arithmetic operation

HT85F2270 Datasheet(PDF) 14 Page - Holtek Semiconductor Inc

HT85F2270 Datasheet(HTML) 14 Page - Holtek Semiconductor Inc

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