HT49RA1 Overview
HT49RA1/HT49CA1 Remote Type 8-Bit MCU with LCD.
HT49RA1 Key Features
- Operating voltage: 2.0V~3.6V
- 12 bidirectional I/O lines, 8 input lines
- Two external interrupt inputs shared with an I/O line
- Single 16-bit programmable timer/event counter
- RC oscillator and 32768Hz crystal oscillator
- 4096´15 program memory
- 160´8 data memory
- Real Time Clock
- 8-bit prescaler for RTC
- One carrier output (1/2 or 1/3 duty)