HT48RA0-5 -- Remote Type 8-Bit OTP MCU

General Description

The HT48RA0-5 is 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, watchdog timer, HALT and wake-up functions, as well as low cost, enhance the versatility of this device to suit a wide range of application possibilities such as industrial control, consumer products, and particularly suitable for use in products such as infrared
remote controllers and various subsystem controllers.

Features

  • Operating voltage:
    fSYS=4MHz at VDD=2.0V~3.6V (LVR enabled)
    fSYS=4MHz at VDD=1.8V~3.6V (LVR disabled)
  • Oscillator types:
    External high frequency Crystal -- HXT
    Internal high frequency RC -- HIRC
  • 1Kx14 program memory
  • 32x8 data RAM
  • One-level subroutine nesting
  • 17 bidirectional I/O lines
  • Fully integrated internal 4095kHz oscillator requires no external components
  • One programmable carrier output - using 9-bit timer
  • Carrier output pin (REM)
  • Build-in IR Driver (350mA@3.0V)
  • Watchdog Timer
  • Low voltage reset function
  • Power-down and wake-up features reduce power consumption
  • 14-bit table read instructions
  • Up to 1us instruction cycle with 4MHz system clock
  • 62 powerful instructions
  • All instructions executed in 1 or 2 machine cycles
  • Bit manipulation instructions
  • HT48RA0-5 use in external IR driver
  • HT48RA0-5B use in internal IR driver
  • 16-pin NSOP and 20-pin SSOP packages

Technical Document

Other Information