HT46R53A

www.DataSheet4U.com HT46R53A/HT46R54A A/D Type 8-Bit OTP MCU Technical Document · Tools Information · FAQs · Application Note - HA0003E Communicating between 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 line · PFD function · Bit manipulation instruction · Table read instruction · 63 powerful instructions · All instructions in one or two machine cycles · 28-pin SKDIP/SOP package 192´8 RAM (HT46R53A) 280´8 RAM (HT46R54A) · A/D converter: 12bits´8Ch External A/D converter reference voltage input pin · 22 bidirectional I/O lines · 1 interrupt input shared with an I/O line · 8-bit programmable timer/event counter with over- flow interrupt and 7-stage prescaler General Description The HT46R53A/HT46R54A are 8-bit high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors. The advantages of low power consumption, I/O f...