HT48R54A
Description
This device is an 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc. 1 July 27, 2007 HT48R54A.
Key Features
- Operating voltage:
- RC/XTAL and 32768Hz crystal oscillator
- Dual clock system offers three operating modes - Normal mode: Both RC/XTAL and 32768Hz clock fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
- 4k´15 program memory ROM
- 192´8 data memory RAM
- 16 bidirectional I/O lines
- 24 output lines
- One external interrupt input
- Two internal interrupt
- Two 8 bit programmable timer/event counter
