Holtek Semiconductor HT45F7550
The device is a Flash Memory A/D type 8-bit high performance RISC architecture microcontroller designed for sine wave inverter applications. For memory features, the Flash Memory offers users the convenience of multi-programming features.FEATURES
CPUFEATURES
● Operating voltage ♦ fSYS=20MHz: VDD=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
● Oscillator types ♦ External High Speed Crystal – HXT ♦ Internal High Speed 20MHz RC – HIRC ♦ Internal Low Speed 32kHz RC – LIRC
● Multi-mode operation: FAST, SLOW, IDLE and SLEEP
● Fully integrated internal oscillators require no external components
● All instructions executed in 1~3 instruction cycles
● Table read instructions
● 115 powerful instructions
● 8-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 8K×16● Data Memory: 512×8
● True EEPROM Memory: 512×8
● In Application Programming function – IAP
● On-Chip Debug Support function – OCDS
● Watchdog Timer function
● Up to 22 bidirectional I/O lines
● Single external interrupt line shared with I/O pin
● Multiple Timer Modules for time measurement, input capture, compare match output,...