HT45FH4MA-1 Datasheet | Holtek Semiconductor

Features CPU Features - Operating Voltage - f SYS = 7.5MHz: 2.55V~5.5V - f SYS = 15MHz: 4.5V~5.5V - Up to 0.27μs instruction cycle with 15MHz system clock at VDD= 5V - Power down and wake-up functions to reduce power consumption - Oscillators - Internal RC -- HIRC - Internal 32k Hz -- LIRC - Fully intergrated internal 30MHz oscillator requires no external ponents - Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP - All instructions executed in one or two instruction cycles - Table read instructions - 63 powerful instructions - 4-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 2K×16 - RAM Data Memory: 128×8 - True EEPROM Memory: 64×8 - Watchdog Timer function - Up to 16 bidirectional I/O lines - Two pin-shared external interrupts - Multiple Timer Module for time measure, input capture, pare match output, PWM output function or single pulse output function - Over current protection (OCP) with interrupt - Over voltage protection (OVP) with interrupt - Dual Time-Base functions for generation of fixed time interrupt signals - 8-channel 12-bit resolution A/D converter - Low voltage reset function (enable@2.55V) - Low voltage detect function - One integrated LDO: 5V output for HT45FH4MA/HT45FH4MA-1 only - 2 level shift output pins for HT45FH4MA/HT45FH4MA-1 only - 16-pin NSOP, 20-pin SSOP package Rev. 1.40 October 17, 2025 HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU Features Device...