Holtek Semiconductor HT46R54A
the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM - HA0004E HT48 & HT46 MCU UART Software Implementation Method - HA0084E NiMH Battery Charger Demo Board - Using the HT46R52 Features · Low-power fully static CMOS design · Operating voltage: · On-chip crystal and RC oscillator · 6-level subroutine nesting · Watchdog Timer · Low voltage reset function · HALT function · Up to 0.5ms instruction cycle with 8MHz system clock fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Program Memory: 2K´15 OTP (HT46R53A) 4K´15 OTP (HT46R54A) · Data memory: at VDD=5V · 1-channel 8-bit PWM output shared with an I/O... The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, multi-channel A/D converter, Pulse Width Modulation function, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, chargers, motor driving, industrial control, consumer products, subsystem controllers, etc. Each individual bit on this port can be configured as a wake-up input by configuration option.