8-bit MCU Series (80C51-based)

The W78C051D Microcontroller supplies a wider frequency and supply voltage range than most 8-bit Microcontrollers on the market. It is compatible with the industry standard 80C51 Microcontroller series.The W78C051D contains four 8-bit bidirectional parallel portsone extra 4-bit bit-addressable I/O port (Port 4) and two additional external interrupts (INT2 ,INT3)two 16-bit Timer countersone watchdog Timer and a serial port. These peripherals are supported by a seven-sourcetwo-level interrupt capability. There are 128 bytes of RAM and a 4K byte mask ROM for application programs.
By Winbond Electronics Corp America
W78C051D 's PackagesW78C051D 's pdf datasheet

W78C051D Pinout, Pinouts
W78C051D pinout,Pin out
This is one package pinout of W78C051D,If you need more pinouts please download W78C051D's pdf datasheet.

W78C051D Application circuits
W78C051D circuits
This is one application circuit of W78C051D,If you need more circuits,please download W78C051D's pdf datasheet.

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