BH67F2142 Datasheet | Holtek Semiconductor

Features CPU Features - Operating voltage: 1.1V~2.2V - Up to 31μs instruction cycle with 128k Hz system clock - Power down and wake-up functions to reduce power consumption - Multi-mode operation: NORMAL, IDLE and SLEEP - Fully integrated 32/64/128k Hz oscillators require no external ponents - All instructions executed in 1~2 instruction cycles - Table read instructions - 61 powerful instructions - 4-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 4K×16 - RAM Data Memory: 256×8 - True EEPROM Memory: 128×8 - Watchdog Timer function - Up to 23 bidirectional I/O lines - Two EL carrier output pins - R to F converter - 2 pin-shared external interrupts - One Timer Module for time measurement, pare match output or PWM output function - Dual Time Base functions for generation of fixed time interrupt signals - LCD driver function - SEGs×s: 22×2 or 21×3 - Duty type: 1/2 duty or 1/3 dut - Bias level: 1/2 bias - Bias type: C type - Waveform type: type A or type B - Low voltage detect function - Package types: 32-pin QFN, 48-pin LQFP Rev. 1.40 May 30, 2025 BH67F2142 Ultra-Low Voltage R to F LCD Flash MCU General Description The device is a Flash Memory type 8-bit high performance RISC architecture microcontroller specially designed for very low voltage especially one battery applications. For memory features , the Flash Memory offers users the convenience of Flash Memory multi-programming features . Other memory includes an area of RAM Data Memory as well as an area of true EEPROM memory for storage of non-volatile data such as serial numbers, calibration data...