HT48R0AA-1 -- Cost-Effective I/O Type 8-Bit OTP MCU (Restricted Products)

General Description

The HT48R0AA-1 is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for cost-effective multiple I/O control product applications.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator configuration 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
  • 23 bidirectional I/O lines
  • An interrupt input shared with an I/O line
  • 8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler
  • 8-bit programmable timer/event counter and
    overflow interrupt
  • External crystal and RC oscillator
  • Watchdog Timer
  • 4096x15 Program memory ROM
  • 128x8 Data memory RAM
  • Buzzer driving pair and PFD supported
  • HALT function and wake-up feature reduce power
    consumption
  • Up to 0.5us instruction cycle with 8MHz system clock at VDD=5V
  • All instructions in one or two machine cycles
  • 15-bit table read instruction
  • 4-level subroutine nesting
  • Bit manipulation instruction
  • 63 powerful instructions
  • Low voltage reset function
  • 24/28-pin SKDIP/SOP package

Technical Document

Other Information