Download HT66F318 Datasheet PDF
Holtek Semiconductor
HT66F318
Features CPU Features - Operating Voltage - f SYS = 4MHz: 1.8V~5.5V - f SYS = 8MHz: 2.0V~5.5V - f SYS = 12MHz: 2.7V~5.5V - f SYS = 16MHz: 3.3V~5.5V - Up to 0.25μs instruction cycle with 16MHz system clock at VDD=5V - Power down and wake-up functions to reduce power consumption - Oscillators - External Crystal - HXT - External 32.768k Hz Crystal - LXT - Internal RC - HIRC - Internal 32k Hz RC - LIRC - Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP - Fully integrated internal 4/8/12MHz oscillator requires no external ponents - All instructions executed in one or two instruction cycles - Table read instructions - 61 powerful instructions - 8-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 2K×16 ~ 4K×16 - RAM Data Memory: 128×8 ~ 192×8 - True EEPROM Memory: 64×8 - Watchdog Timer function - Up to 26 bidirectional I/O lines - Software controlled 4-S lines LCD driver with 1/2 bias - Source current selectable - Two pin-shared external...