The microcontrollers from National Semiconductor are 8 bit CISC core Microcontroller , which main features are:
- Large amount of I/O pins.
- Plenty of FLASH/ROM for code and data (up to 32 KB).
- Very low EMI. No known bugs.
- Many integrated peripherals (meant as single chip design).
- In-System Programming
- Free assembler toolchain. Commercial C compilers available.
- Free Multitasking OS and TCP/IP stack.
It has a machine cycle of up to 2M cycles per second, but most versions seem to be overclockable to up to 2.8M cycles per second (28 MHz clock).
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