Coral 555 SH

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Brand: Coral

The Coral 555 SH is a microcontroller from the 8-bit MCS51 family developed by Phillips. It was introduced in 1984 and became very popular due to its low cost, ease of use, and large support base. The "SH" at the end of the name stands for Shorthand, which refers to the simplified instruction set compared to the original Coral 555. The Coral 555 SH is commonly used in simple embedded systems and hobbyist projects due to its low cost and simple programming interface.Some key features of the Coral 555 SH include:- Eight-bit CPU with a clock speed of 11.0592 MHz (internal RC oscillator)- 128 bytes of RAM and 1024 bytes of ROM- Six I/O port (three bidirectional, three unidirectional)- Two external interrupts (non-maskable and maskable)- Built-in program memory download capability- Simple programming interface (intended to be easy to use with minimal external components)Overall, the Coral 555 SH is a versatile and affordable microcontroller that continues to be popular among hobbyists and enthusiasts today. However, it should be noted that its aging architecture and limited resources may make it less suitable for more complex or memory-intensive applications.