Holtek Semiconductor HT45FH4MA-1
the HT45FH4MA device, although mentioned in this datasheet, has already been phased out and is presently no longer available.FEATURES
CPUFEATURES
● Operating Voltage ♦ fSYS = 7.5MHz: 2.55V~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
● True 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 (OV...