HT48RA1 Overview
The HT48RA1/HT48CA1 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 HT48CA1 is fully pin and functionally patible with the OTP version HT48RA1 device.
HT48RA1 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
- 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
- Bit manipulation instruction
- 16-bit table read instruction