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HT48E50 -- I/O Type 8-Bit MTP MCU With EEPROM (Restricted Products)

General Description

The HT48E50 is an 8-bit high performance, RISC architecture microcontroller device 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, 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.

Features

  • Operating voltage:
    fSYS=4MHz: 2.2V~5.5V
    fSYS=8MHz: 3.3V~5.5V
  • Low voltage reset function
  • 33 bidirectional I/O lines (max.)
  • 1 interrupt input shared with an I/O line
  • 8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler
  • On-chip crystal and RC oscillator
  • Watchdog Timer
  • 1,000 erase/write cycles MTP program memory
  • 4096x15 program memory ROM (MTP)
  • 256x8 data memory EEPROM
  • 160x8 data memory RAM
  • HALT function and wake-up feature reduce power consumption
  • 6-level subroutine nesting
  • Up to 0.5us instruction cycle with 8MHz system clock at VDD=5V
  • Bit manipulation instruction
  • 15-bit table read instruction
  • 63 powerful instructions
  • 106 erase/write cycles EEPROM data memory
  • EEPROM data retention > 10 years
  • All instructions in one or two machine cycles
  • In system programming (ISP)
  • 28-pin SKDIP/SOP, 48-pin SSOP package

Technical Document

Other Information