HT48CA3 Overview
Description
The HT48CA3 is an 8-bit high performance, RISC architecture microcontroller device specifically designed for multiple I/O control product applications. The data ROM can be used to store remote control codes.
Key Features
- Operating voltage: 2.2V~3.6V
- 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 consumption
- 8-level subroutine nesting
- Up to 1ms instruction cycle with 4MHz system clock at interrupt and 8-stage prescaler (TMR0)
- 16-bit programmable timer/event counter and VDD=3V
- 16-bit table read instruction
