HT48RA3 Overview
The HT48RA3/HT48CA3 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The data ROM can be used to store remote control codes. The mask version HT48CA3 is fully pin and functionally patible with the OTP version HT48RA3 device.
HT48RA3 Key Features
- Operating voltage: 2.0V~5.5V
- 23 bidirectional I/O lines (max.)
- 1 interrupt input shared with an I/O line
- 8-bit programmable timer/event counter with overflow
- PFD supported
- HALT function and wake-up feature reduce power
- 8-level subroutine nesting
- Up to 1ms instruction cycle with 4MHz system clock at
- 16-bit programmable timer/event counter and over
- Bit manipulation instruction