HT48R52A
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 April 25, 2007 HT48R52A.
Key Features
- Operating voltage:
- Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
- 2k´14 program memory ROM
- 88´8 data memory RAM
- 16 bidirectional I/O lines
- 24 output lines
- One external interrupt input
- One internal interrupt
- 8 bit programmable timer/event counter
- 4-level subroutine nesting
