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    产品名称:Display MCU

    HT48R52A -- I/O Type 8-Bit OTP MCU with 16x16 High Current LED Driver
    General Description
    This device is an 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, 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=32768Hz: 2.2V~5.5V
    fSYS=4MHz: 2.2V~5.5V
    fSYS=8MHz: 3.3V~5.5V
    2k×14 Program memory ROM
    88×8 data memory RAM
    8 bidirectional I/O lines
    Max. 16x16 LED driver output
    8 LED shared I/O lines
    24 LED shared output
    One external interrupt input
    One internal interrupt
    8 bit programmable timer/event counter
    4-level subroutine nesting
    Watchdog Timer (WDT)
    Low voltage reset (LVR)
    External RC and 32768Hz crystal oscillator
    Dual clock system offers three operating modes
    - Normal mode: Both RC and 32768Hz clock active
    - Slow mode: 32768Hz clock only
    - Idle mode: Periodical wake-up by watchdog timer
    overflow
    HALT function and wake-up feature reduce power consumption
    14-bit table read instructions
    63 powerful instructions
    One instruction cycle: 4 system clock periods
    All instructions in 1 or 2 instruction cycles
    Bit manipulation instructions
    Up to 0.5μs instruction cycle with 8MHz system clock
    44/52-pin QFP and 44-pin LQFP packages