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HT48C70-1 Datasheet I/o Type 8-bit Mcu

Manufacturer: Holtek Semiconductor

Overview: HT48R70A-1/HT48C70-1 I/O Type 8-Bit MCU Technical Document · Tools Information · FAQs · Application Note - HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM - HA0004E HT48 & HT46 MCU UART.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The HT48R70A-1/HT48C70-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications.

The mask version HT48C70-1 is fully pin and functionally compatible with the OTP version HT48R70A-1 device.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.

Key Features

  • Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V.
  • Low voltage reset function.
  • 56 bidirectional I/O lines (max. ).
  • 1 interrupt input.
  • 2´16-bit programmable timer/event counter and overflow interrupts.
  • On-chip RC oscillator, external crystal and RC oscillator.
  • 32768Hz crystal oscillator for timing purposes only.
  • Watchdog Timer.
  • 8192´16 program memory ROM.
  • 224´8 data memory RAM.
  • Buzzer driving pair and PFD supported.
  • HALT func.

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