HT46RU232 Datasheet | Holtek Semiconductor

Features - Operating voltage: f SYS=4MHz: 2.2V~5.5V f SYS=8MHz: 3.3V~5.5V - 40 bidirectional I/O lines (max.) - 1 interrupt input shared with an I/O line - One 8-bit and Two 16-bit programmable timer/event counter with overflow interrupt - On-chip crystal and RC oscillator - Watchdog Timer - 4096´16 program memory - 192´8 data memory RAM - Supports PFD for sound generation - HALT function and wake-up feature reduce power consumption - Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V - 8-level subroutine nesting - 8 channels 12-bit resolution A/D converter - 4-channel 8-bit PWM...