87C51FB - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS

Intel Corporation

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Datasheet Details

Part number	87C51FB
Manufacturer	Intel Corporation
File Size	279.21 KB
Description	CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
Datasheet	87C51FB_IntelCorporation.pdf

87C51FB Product details

Description

VCC Supply voltage VSS Circuit ground VSS1 Secondary ground (in PLCC only) Provided to reduce ground bounce and improve power supply by-passing NOTE This pin is NOT a substitute for VSS pin (pin 22) Port 0 Port 0 is an 8-bit open drain bidirectional I O port As an output port each pin can sink several LS TTL inputs Port 0 pins that have 1’s written to them float and in that state can be used as high-impedance inputs 270961 2 Example AN87C51FA FB FC indicates an automotive temperatur

Features

of the 87C51FB FC Port Pin P1 0 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 Alternate Function T2 (External Count Input to Timer Counter 2) T2EX (Timer Counter 2 Capture Reload Trigger and Direction Control) ECI (External Count Input to the PCA) CEX0 (External I O for Compare Capture Module 0) CEX1 (External I O for Compare Capture Module 1) CEX2 (External I O for Compare Capture Module 2) CEX3 (External I O for Compare Capture Module 3) CEX4 (External I O for Compare Capture Module 4).

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Published: Mar 22, 2005 |