Holtek Semiconductor HT67F70A
the HT67F70A 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 0.2μs instruction cycle with 20MHz system clock at VDD=5V
● Power down and wake-up functions to reduce power consumption
● Oscillator Type ♦ External Crystal – HXT ♦ External 32.768kHz Crystal – LXT ♦ High Speed Internal RC – HIRC ♦ Low Speed Internal 32kHz RC – LIRC
● Fully integrated internal 4/8/12MHz oscillator requires no external components
● Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
● All instructions executed in one to three instruction cycles
● Table read instructions
● 115 powerful instructions
● Up to 16-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Program Memory: 16K × 16 ~ 32K × 16● Data Memory: 1024 × 8 ~ 2048 × 8
● True EEPROM Memory: 128 × 8
● In Application Programming function – IAP
● Watchdog Timer function
● Up to 47 bidirectional I/O lines
● Multiple pin-shared external interrupts
● Multiple Timer Modu...