HT49RA0/HT49CA0 -- Remote Type 8-Bit MCU with LCD

General Description

The HT49RA0/HT49CA0 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The mask version HT49CA0 is fully pin and functionally compatible with the OTP version HT49RA0 device.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, 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 LCD remote controllers and various subsystem controllers.

Features

  • Operating voltage: 2.0V~3.6V
  • 8 bidirectional I/O lines and 8 input lines
  • Two external interrupt input
  • One 8-bit programmable timer/event counter
  • LCD driver with 21×2, 21×3 or 20×4 segments
  • 2K×14 program memory
  • 96×8 data memory RAM
  • Real Time Clock (RTC)
  • 8-bit prescaler for RTC
  • One carrier output (1/2 or 1/3 duty)
  • Software LCD, RTC control
  • On-chip RC and 32768Hz crystal oscillator
  • Watchdog Timer
  • HALT function and wake-up feature reduce power
    consumption
  • 4-level subroutine nesting
  • Bit manipulation instruction
  • 14-bit table read instruction
  • Up to 1ms instruction cycle with 4MHz system clock
  • 63 powerful instructions
  • All instructions in 1 or 2 machine cycles
  • Low voltage reset/detector function
  • 52-pin QFP package

技術相關資訊

其他相關資訊