HT49RA1 Datasheet | Holtek Semiconductor

HT49RA1/HT49CA1 Remote Type 8-Bit MCU with LCD Features - Operating voltage: 2.0V~3.6V - 12 bidirectional I/O lines, 8 input lines, 8 segment output, PC0 (input/output)/REM - Two external interrupt inputs shared with an I/O line - 8-bit programmable Timer/Event Counter with overflow interrupt function - Single 16-bit programmable timer/event counter with overflow interrupt function - RC oscillator and 32768Hz crystal oscillator - LCD driver with 33´2, 33´3 or 32´4 segments (C type only), 8 logical output option for SEG12~SEG19 and 4 I/O port option for SEG0~SEG3 by changing LCDC register - 4096´15 program memory - 160´8 data memory - Real Time Clock - RTC - 8-bit prescaler for RTC - One carrier output (1/2 or 1/3 duty) - Software LCD, RTC control - Watchdog Timer function - Power down and wake-up functions to reduce power consumption - Up to 1ms instruction cycle with 4MHz system clock - 4-level subroutine nesting - Bit manipulation instruction - Table read...