HT66F25D Datasheet | Holtek Semiconductor

Enhanced A/D Flash MCU with High Current LED Driver HT66F24D/HT66F25D/HT66F26D Revision: V1.80 Date: April 20, 2023 HT66F24D/HT66F25D/HT66F26D Enhanced A/D Flash MCU with High Current LED Driver Note that the HT66F24D/HT66F26D devices, although mentioned in this datasheet, have already been phased out and are presently no longer available. Features CPU Features - Operating voltage: - f SYS= 8MHz: 2.2V~5.5V - f SYS= 12MHz: 2.7V~5.5V - f SYS= 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 - Three Oscillator types - External high frequency Crystal - HXT - Internal RC - HIRC - Internal 32k Hz RC - LIRC - Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP - Fully integrated internal 4MHz, 8MHz and 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 - Program Memory: 2K×16 ~ 8K×16 - Data Memory: 96×8 ~...