HT46R47-H -- Cost-Effective A/D Type 8-Bit OTP MCU

General Description

The HT46R47-H is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors.

The advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, HALT and wake-up functions, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.

The higher operating voltage range and higher operating temperature range of -40°C to +125°C for the HT46R47-H make this series suitable for automotive applications as well.

Features

  • Operating voltage:
    fSYS=4MHz: VLVR~5.5V with LVR enable
    fSYS=8MHz: 3.3V~5.5V with LVR disable
  • 13 bidirectional I/O lines (max.)
  • 1 interrupt input shared with an I/O line
  • 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
  • On-chip crystal and RC oscillator
  • Watchdog Timer
  • 2048×14 program memory
  • 64×8 data memory RAM
  • Supports PFD for sound generation
  • HALT function and wake-up feature reduce power consumption
  • Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V
  • 6-level subroutine nesting
  • 4 channels 9-bit resolution A/D converter
  • 1 channel 8-bit PWM output shared with an I/O line
  • Bit manipulation instruction
  • 14-bit table read instruction
  • 63 powerful instructions
  • All instructions in one or two machine cycles
  • Low voltage reset function
  • 18-pin DIP/SOP package

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