Holtek Semiconductor HT68F04
the HT68F03/HT68F04 device, although mentioned in this datasheet, has already been phased out and is presently no longer available.FEATURES
CPUFEATURES
● Operating Voltage: fSYS= 8MHz: 2.2V~5.5V fSYS= 12MHz: 2.7V~5.5V fSYS= 20MHz: 4.5V~5.5V● Up to 0.2ms instruction cycle with 20MHz system clock at VDD=5V
● Power down and wake-up functions to reduce power consumption
● Five oscillators: External high speed xtal External 32.768kHz xtal External RC Internal high speed -- no external components Internal 32kHz -- no external components
● Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
● Fully integrated internal 4MHz, 8MHz and 12MHz oscillator requires no external components
● All instructions executed in one or two instruction cycles
● Table read instructions
● 63 powerful instructions
● Up to 8 subroutine nesting levels
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 1K´14 ~ 2K´15● RAM Data Memory: 64´8 ~ 96´8
● EEPROM Memory: 64´8
● Watchdog Timer function
● Up to 8 bidirectional I/O lines
● External interrupt line shared with I/O pin
● Multiple Timer Module for time measure, input c...