HT46RU67 Datasheet | Holtek Semiconductor

Features - Operating voltage: - Watchdog Timer - Buzzer output function - Crystal, RC and 32768Hz crystal system oscillator f SYS=4MHz: 2.2V~5.5V f SYS=8MHz: 3.3V~5.5V - 32 bidirectional I/O lines - Two external interrupt inputs - Dual 16-bit programmable timer/event counters with option - Power down and wake-up functions reduce power consumption - 16-level subroutine nesting - 8-channel 12-bit resolution A/D converter - 4-channel PWM outputs shared with 4 I/O lines - SIO - Synchronous serial I/O - function - Bit manipulation instruction - 16-bit table read instruction - Up to 0.5ms instruction cycle with 8MHz system clock - 63 powerful instructions - Instruction execution within 1 or 2 machine cycles - Low voltage reset/detector function - 52-pin QFP, 56-pin SSOP packages Programmable Frequency Divider, PFD, function - Single 8-bit programmable timer/event counter with source clock prescaler - 47´3 or 46´4 segment LCD driver with logic output option for SEG0~SEG23) - 32K´16 program memory - 768´8 data memory RAM - Universal Asynchronous Receiver Transmitter -UART - PFD function for sound generation - Real Time Clock - RTC - 8-bit RTC prescaler 100-pin QFP packages General Description The HT46RU67/HT46CU67 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D product applications that interface directly to analog signals and which require an LCD Interface. The HT46CU67, mask version device, is fully pin and functionally patible with its sister HT46RU67 OTP device. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, UART, serial I/O interface, Power Down and Wake-up functions, in addition to a flexible and configurable LCD interface enhance the versatility of these devices to control a wide range of applications requiring analog signal processing and LCD interfacing, such as electronic metering, environmental...