Holtek Semiconductor HT68F30-1
the HT66F20-1/HT68F20-1 devices, although mentioned in this datasheet, have already been phased out and are 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
● Five oscillators: ♦ External Crystal - HXT ♦ External 32.768kHz Crystal - LXT ♦ External RC - ERC ♦ Internal RC - HIRC ♦ Internal 32kHz RC - LIRC
● 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
● 4-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 1K×16 ~ 2K×16● Data Memory: 64×8 ~ 96×8
● True EEPROM Memory: 32×8 ~ 64×8
● Watchdog Timer function
● Up to 22 bidirectional I/O lines
● Software controlled 4-SCOM lines LCD driver with 1/2 bias
● Dual pin-shared external interrupts
● Multiple T...