M80C51FB Datasheet (Intel) - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

M80C51FB, CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

VCC Supply voltage VSS Circuit ground Port 2 Port 2 is an 8-bit bidirectional I O port with internal pullups The Port 2 output buffers can drive LS TTL inputs Port 2 pins that have 1’s written to them are pulled high by the internal pullups and in that state can be used as inputs As inputs Port 2

M80C51FB CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER Military M80C51FB 3 5 MHz to 12 MHz VCC e 5V g 20% M80C51FB-16 3 5 MHz to 16 MHz VCC e 5V g 20% Three 16-Bit Timer Counters Programmable Clock Out Programmable Counter Array with High Speed Output Compare Capture Pulse Width Modulator Watchdog Timer capabilities Up Down Timer Counter 256 Bytes of On-Chip Data RAM Boolean Processor ONCE (On-Circuit Emulation) Mode Available in 40-pin CERDIP and 44-pin Leadless Chip Carrier Packages Gull Wing and J-

M80C51FB Features

* make it an even more powerful microcontroller for applications that require Pulse Width Modulation High Speed I O and up down counting capabilities such as motor control or fin actuation It also has a more versatile serial channel that facilitates multi-processor communications October 1994 Order