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HT46R51A - (HT46R51A / HT46R52A) A/D Type 8-Bit OTP MCU

Datasheet Summary

Description

The HT46R51A/HT46R52A are 8-bit high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors.

Features

  • Low-power fully static CMOS design.
  • Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V.
  • Program Memory: 1K´15 OTP (HT46R51A) 2K´15 OTP (HT46R52A).
  • Data memory: 96´8 RAM (HT46R51A) 128´8 RAM (HT46R52A).
  • A/D converter: 12bits´5Ch External A/D converter reference voltage input pin.
  • 14 bidirectional I/O lines.
  • 1 interrupt input shared with an I/O line.
  • 8-bit programmable timer/event counter with over- flow interrupt and 8-stage prescaler.
  • On-c.

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Datasheet Details

Part number HT46R51A
Manufacturer Holtek Semiconductor
File Size 291.60 KB
Description (HT46R51A / HT46R52A) A/D Type 8-Bit OTP MCU
Datasheet download datasheet HT46R51A Datasheet
Additional preview pages of the HT46R51A datasheet.

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Full PDF Text Transcription

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HT46R51A/HT46R52A A/D Type 8-Bit OTP MCU Features · Low-power fully static CMOS design · Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Program Memory: 1K´15 OTP (HT46R51A) 2K´15 OTP (HT46R52A) · Data memory: 96´8 RAM (HT46R51A) 128´8 RAM (HT46R52A) · A/D converter: 12bits´5Ch External A/D converter reference voltage input pin · 14 bidirectional I/O lines · 1 interrupt input shared with an I/O line · 8-bit programmable timer/event counter with over- flow interrupt and 8-stage prescaler · On-chip crystal and RC oscillator · 6-level subroutine nesting · Watchdog Timer · Low voltage reset function · HALT function · Up to 0.
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