The W79E659 is a fast, 8051 52-compatible Microcontroller with a redesigned processor core that eliminates wasted Clock and memory cycles. Typically, the W79E659 executes instructions 1.5 to 3 times faster than that of the traditional 8051 52, depending on the type of instruction, and the overall performance is about 2.5 times better at the same crystal speed. As a result, with the fully-static CMOS design, the W79E659 CAN accomplish the same throughput with a lower Clock speed, reducing power consumption. The W79E659 provides 256 bytes of on-chip RAM; 1-KB of auxiliary RAM; seven 8-bit, bi-directional and bit-addressable I/O ports; an additional 4-bit port P4; three 16-bit Timer counters; an UART serial port, 2 channels of I2C with master/slave capability and 8 channels of 10-bit ADC These peripherals are all supported by ten interrupt sources with 2 levels of priority. By Winbond Electronics Corp America
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W79E659A Pinout, Pinouts
W79E659A pinout,Pin out
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