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HT48R52A Datasheet I/O Type 8-Bit OTP MCU

Manufacturer: Holtek Semiconductor

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General Description

This device is an 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, 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.

Rev.

Overview

HT48R52A I/O Type 8-Bit OTP MCU with 16´16 High Current LED Driver Technical Document · Tools Information · FAQs · Application Note - HA0002E HA0007E HA0011E HA0019E HA0020E Reading Larger than Usual MCU Tables Using the MCU Look Up Table Instructions HT48 & HT46 Keyboard Scan Program Using the Watchdog Timer in the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series www.DataSheet4U.

Key Features

  • Operating voltage:.
  • Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V.
  • 2k´14 program memory ROM.
  • 88´8 data memory RAM.
  • 16 bidirectional I/O lines.
  • 24 output lines.
  • One external interrupt input.
  • One internal interrupt.
  • 8 bit programmable timer/event counter.

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