HT46R068B/HT46R069B -- Enhanced A/D Type 8-bit OTP MCU

General Description

The Enhanced A/D MCUs are a series of 8-bit high performance, RISC architecture microcontrollers specifically designed for a wide range of applications. The usual Holtek microcontroller features of low power consumption, I/O flexibility, timer functions, oscillator options, power down and wakeup functions, watchdog timer and low voltage reset, combine to provide devices with a huge range of functional options while still maintaining a high level of cost effectiveness. The fully integrated system oscillator HIRC, which requires no external components and which has three frequency selections, opens up a huge range of new application possibilities for these devices, some of which may include industrial control, consumer products, household appliances subsystem controllers, etc.

Features

CPU Features

  • Operating voltage:
    fSYS=4MHz: 2.2V~5.5V
    fSYS=8MHz: 3.0V~5.5V
    fSYS=12MHz: 4.5V~5.5V
  • Up to 0.33us instruction cycle with 12MHz system clock at VDD= 5V
  • Idle/Sleep mode and wake-up functions to reduce power consumption
  • Oscillator types:
    External high frequency Crystal -- HXT
    External RC -- ERC
    Internal RC -- HIRC
    External low frequency crystal -- LXT
  • Four operational modes: Normal, Slow, Idle, Sleep
  • Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components
  • Watchdog Timer function
  • LIRC oscillator function for watchdog timer
  • All instructions executed in one or two instruction cycles
  • Table read instructions
  • 63 powerful instructions
  • Up to 8-level subroutine nesting
  • Bit manipulation instruction
  • Low voltage reset function
  • Low voltage detect function
  • Wide range of available package types

Peripheral Features

  • Up to 62 bidirectional I/O lines
  • Up to 16 channel 12-bit ADC
  • Up to 4 channel 8-bit PWM
  • Single channel 12-bit DAC
  • Serial Interfaces Module with Dual SPI and I2C interfaces
  • Single Serial SPI Interface
  • Software controlled 4-SCOM lines LCD COM driver with 1/2 bias
  • External interrupt input shared with an I/O line
  • Two 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler
  • Single 16-bit programmable Timer/Event Counter with overflow interrupt
  • Time-Base function
  • Programmable Frequency Divider -- PFD

Technical Document

Other Information