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  • HT46R51A/HT46R52A

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    HT46R51A/HT46R52A A/D Type 8-Bit OTP MCU
    Technical Document
    Tools Information FAQs Application Note - HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM - HA0004E HT48 & HT46 MCU UART Software Implementation Method - HA0084E NiMH Battery Charger Demo Board - Using the HT46R52 - HA0075E MCU Reset and Oscillator Circuits Application Note
    Features
    Low-power fully static CMOS design Operating voltage: On-chip crystal and RC oscillator 6-level subroutine nesting Watchdog Timer Low voltage reset function HALT function Up to 0.5ms instruction cycle with 8MHz system clock
    fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
    Program Memory:
    1K15 OTP (HT46R51A) 2K15 OTP (HT46R52A)
    Data memory:
    at VDD=5V
    1-channel 8-bit PWM output shared with an I/O line PFD function Bit manipulation instruction Table read instruction 63 powerful instructions All instructions in one or two machine cycles 16-pin NSOP, 18-pin DIP,
    968 RAM (HT46R51A) 1288 RAM (HT46R52A)
    A/D converter: 12bits5Ch
    External A/D converter reference voltage input pin
    14 bidirectional I/O lines 1 interrupt input shared with an I/O line 8-bit programmable timer/event counter with over-
    flow interrupt and 8-stage prescaler
    20-pin SOP/SSOP package
    General Description
    The HT46R51A/HT46R52A are 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, timer functions, oscillator options, multi-channel A/D converter, Pulse Width Modulation function, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, chargers, motor driving, industrial control, consumer products, subsystem controllers, etc.

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