HT45R35 -- C/R to F Type 8-Bit OTP MCU

General Description

The HT45R35 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for cost-effective multiple I/O control product applications.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Power Down and wake-up functions, Watchdog Timer, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.

  • Operating voltage:
    fSYS=4MHz: 2.2V~5.5V
    fSYS=8MHz: 3.3V~5.5V
  • 16 bidirectional I/O lines
  • Two external interrupt inputs shared with I/O lines
  • 8-bit programmable timer/event counter with
    overflow interrupt and 7-stage prescaler
  • External RC oscillation converter
  • On-chip crystal and RC oscillator
  • Watchdog Timer
  • 12 capacitor/resistor sensor input
  • 2048x14 program memory
  • 120x8 data memory RAM
  • Power Down and Wake-up function reduce power consumption
  • Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V
  • All instructions executed in one or two machine
    cycles
  • 14-bit table read instruction
  • Four-level subroutine nesting
  • Bit manipulation instruction
  • 63 powerful instructions
  • Low voltage reset function
  • 16-pin DIP/NSOP, 20-pin DIP/SOP packages
    24-pin/28-pin SKDIP/SOP, 32-pin QFN packages

Technical Document

Other Information