Holtek Semiconductor HT45F24A
The HT45F23A and HT45F24A are Flash Memory Tinypower A/D type 8-bit high performance RISC architecture microcontrollers, designed especially for applications that interface directly to analog signals. The devices have higher gain bandwidth making them more suitable for higher frequency applications.FEATURES
CPUFEATURES
● Operating voltage ♦ fSYS= 32.768kHz: 2.2V~5.5V ♦ fSYS= 910kHz: 2.2V~5.5V ♦ fSYS= 2MHz: 2.2V~5.5V ♦ fSYS= 4MHz: 2.2V~5.5V ♦ fSYS= 8MHz: 3.3V~5.5V● TinyPowerTM technology for low power operation
● Power down and wake-up functions to reduce power consumption
● Oscillator types ♦ External Crystal – HXT ♦ External 32.768kHz Crystal – LXT ♦ External RC – ERC ♦ Internal RC – HIRC ♦ Internal 32kHz RC – LIRC ♦ External Clock – EC
● Multi-mode operation: Normal, Slow, Idle and Sleep
● Fully integrated internal 32kHz, 910kHz, 2MHz, 4MHz and 8MHz oscillator requires no external components
● Externally supplied system clock option
● All instructions executed in one or two machine cycles
● Table read instructions
● 61 or 63 powerful instructions
● 6-level subroutine nesting
● Bit manipulation instruction Peripheral
FEATURES
● Flash Program Memory: 2K×15~4K×16● RAM Data Memory: 128×8~192×8
● True EEPROM Memory: 64×8
● Up to 26 bidirectional I/O lines
● Watchdog Timer functio...