Holtek Semiconductor HT45F77
This Holtek device is specifically designed for Body Fat Scale applications. The specialised circuits to do this are a weight measurement circuit and a fat measurement circuit.| Part No. | HT45F77 |
|---|---|
| Datasheet | HT45F77 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | Body Fat Scale Flash MCU |
| Buy | Stock & Price |
FEATURES
CPUFEATURES
● Operating voltage ♦♦ fSYS=8MHz: 2.2V~5.5V ♦♦ fSYS=12MHz: 2.7V~5.5V ♦♦ fSYS=20MHz: 4.5V~5.5V● Up to 0.2μs instruction cycle with 20MHz system clock at VDD=5V
● Power down and wake-up functions to reduce power consumption
● Four oscillators ♦♦ External Crystal − HXT ♦♦ External 32.768kHz Crystal − LXT ♦♦ Internal RC − HIRC ♦♦ Internal 32kHz RC − LIRC
● Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
● Fully integrated internal 4.8MHz, 4.8×2MHz and 4.8×3MHz oscillator requires no external components
● All instructions executed in 1~3 instruction cycles
● Table read instructions
● 115 powerful instructionsl
● 8-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 8K×16● RAM Data Memory: 256×8
● True EEPROM Memory: 64×8
● Watchdog Timer function
● LCD COM driver with 1/3 bias
● 36 bidirectional I/O lines
● Dual pin-shared external interrupts
● Multiple Timer Modules for time measure, input capture, compare match out...
