HT48R01/HT48R02/HT48R03 -- Small Package I/O Type 8-Bit OTP MCU
 (HT48R01 產品終止)

General Description

The HT48R01/HT48R02/HT48R03 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for I/O control.

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

Features

  • Operating voltage:
    fSYS=4MHz: 2.2V~5.5V
    fSYS=8MHz: 3.3V~5.5V
    fSYS=12MHz: 4.5V~5.5V
  • 7 bidirectional I/O lines and 1 input
  • Interrupt input shared with I/O line
  • 4 oscillator configuration options
    - External crystal OSC
    - External RC OSC
    - Internal RC+I/O (PA5, PA6)
    - Internal RC+RTC OSC (32768Hz)
  • Internal RC oscillator
    - 3 frequency selections: 4MHz/8MHz/12MHz
    - 4MHz with ±5% variation (2.7V~5.5V, 25ºC)
    - 8MHz with ±5% variation (3.3V~5.5V, 25ºC)
    - 12MHz with ±5% variation (4.5V~5.5V, 25ºC)
  • Watchdog Timer
  • Program memory ROM: Up to 4096x15
  • Data memory RAM: Up to 160x8
  • Buzzer driving pair and PFD supported
  • Power-down and wake-up functions reduce power consumption
  • Up to 0.5us instruction cycle with 8MHz system clock at VDD=5V
  • All instructions executed within one or two machine cycles
  • 14-bit or 15-bit table read instruction
  • Up to 8-levels of subroutine nesting
  • Bit manipulation instruction
  • Low voltage reset function
  • 10-pin MSOP package

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