8-bit Microcontroller

The W78C33B Microcontroller supplies a wider frequency range than most 8-bit Microcontrollers on the market. It is functional compatible with the industry standard 80C32 Microcontroller series except the one extra 4-bit bit-addressable I/O port (Port 4). The W78C33B contains four 8-bit bidirectional parallel ports, three 16-bit Timer Counters and a serial port. These peripherals are supported by a six-source, two-level interrupt capability. There are 256 bytes of RAM, and the device supports ROMless operation for application programs. The W78C33B Microcontroller has two power reduction modes, idle mode and power-down mode, both of which are software selectable. The idle mode turns off the processor Clock but allows for continued peripheral operation. The power-down mode stops the crystal Oscillator for minimum power consumption. The external Clock CAN be stopped at any time and in any state without affecting the processor. By Winbond Electronics Corp America
W78C33B 's PackagesW78C33B 's pdf datasheet

W78C33B Pinout, Pinouts
W78C33B pinout,Pin out
This is one package pinout of W78C33B,If you need more pinouts please download W78C33B's pdf datasheet.

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