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W78C33B

Winbond
Part Number W78C33B
Manufacturer Winbond
Description 8-BIT MICROCONTROLLER
Published Jul 9, 2017
Detailed Description Preliminary W78C33B 8-BIT MICROCONTROLLER GENERAL DESCRIPTION The W78C33B microcontroller supplies a wider frequency ran...
Datasheet PDF File W78C33B PDF File

W78C33B
W78C33B

Overview
Preliminary W78C33B 8-BIT MICROCONTROLLER GENERAL DESCRIPTION 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.
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