Datasheet Summary
HT46R51A/HT46R52A A/D Type 8-Bit OTP MCU
Features
- Low-power fully static CMOS design
- Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
- Program Memory: 1K´15 OTP (HT46R51A) 2K´15 OTP (HT46R52A)
- Data memory: 96´8 RAM (HT46R51A) 128´8 RAM (HT46R52A)
- A/D converter: 12bits´5Ch External A/D converter reference voltage input pin
- 14 bidirectional I/O lines
- 1 interrupt input shared with an I/O line
- 8-bit programmable timer/event counter with over- flow interrupt and 8-stage prescaler
- 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 at...