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HT45F4M Datasheet - Holtek

Part Name
Description
MFG CO.
HT45F4M
Holtek
Holtek Semiconductor Holtek
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General Description
The device is a Flash Memory type 8-bit high performance RISC architecture microcontroller. Offering users the convenience of Flash Memory multi-programming features, this device also includes a wide range of functions and features. Other memory includes an area of RAM Data Memory as well as an area of EEPROM memory for storage of non-volatile data such as serial numbers, calibration data etc.

Features
CPU Features
•  Operating Voltage:
    ♦ fSYS=7.5MHz: 2.7V~5.5V
    ♦ fSYS=15MHz: 4.5V~5.5V
•  Up to 0.27μs instruction cycle with 15MHz system clock at VDD=5V
•  Power down and wake-up functions to reduce power consumption
•  Oscillators:
    ♦ Internal RC -- HIRC
    ♦ Internal 32kHz -- LIRC
•  Fully intergrated internal 30MHz oscillator requires no external components
•  Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
•  All instructions executed in one or two instruction cycles
•  Table read instructions
•  63 powerful instructions
•  4-level subroutine nesting
•  Bit manipulation instruction

Peripheral Features
•  Flash Program Memory: 2K×16
•  RAM Data Memory: 128×8
•  EEPROM Memory: 64×8
•  Watchdog Timer function
•  Up to 16 bidirectional I/O lines
•  Two pin-shared external interrupts
•  Multiple Timer Module for time measure, input capture, compare match output, PWM output function or single pulse output function
•  Over current protection (OCP) with interrupt
•  Over voltage protection (OVP) with interrupt
•  Dual Time-Base functions for generation of fxed time interrupt signals
•  8-channel 12-bit resolution A/D converter
•  Low voltage reset function (enable@2.55V)
•  Low voltage detect function
•  Package : 16-pin NSOP and 20-pin SSOP

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