Description
The HT46R51A/HT46R52A 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.
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-c.