HT45F23 Datasheet | Holtek Semiconductor

Features CPU Features - Operating voltage: f SYS= 32768Hz: 2.2V~5.5V f SYS= 4MHz: 2.2V~5.5V f SYS= 8MHz: 3.3V~5.5V f SYS= 12MHz: 4.5V~5.5V - Up to 0.33ms instruction cycle with 12MHz system clock at VDD= 5V - Tiny Power technology for low power operation - Power down and wake-up functions to reduce power consumption - Oscillator types: - External Crystal - HXT - External 32.768k Hz Crystal - LXT - External RC - ERC - Internal RC - HIRC - Internal 32k Hz RC - LIRC - Multi-mode operation: Normal, Slow, Idle and Sleep - Fully integrated internal 32k Hz, 910k Hz, 2MHz, 4MHz and 8MHz oscillator requires no external ponents - Externally supplied system clock option - All instructions executed in one or two machine Cycles - Table read instructions - 63 powerful instructions - 6-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 2K´15 - RAM Data Memory: 128´8 - EEPROM Data Memory: 64´8 - Watchdog Timer function - Up to 22 bidirectional I/O lines - Software controlled 4-S lines LCD driver with 1/2 bias - Multiple pin-shared external interrupts - Single 8-bit programmable Timer/Event Counter with overflow interrupt and Single 16-bit programmable Timer/Event Counter with overflow interrupt function - Dual Time-Base functions - Serial Interfaces Module - SIM for SPI or I2C - Dual parator functions (HT45F23/HT45F43) with tiny power consumption (HT45F43 only) - Dual Operational Amplifiers functions (HT45F23/HT45F43) with tiny power consumption (HT45F43...