87C54-20 Datasheet - Intel Corporation

87C54-20 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

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 the VSS pin (pin 22) 4 Port 1 receives the low-order address bytes during EPROM programming and verifying Port 2 Por.

87C54 87C54-20 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM Automotive Y Extended Automotive Temperature Range ( b 40 C to a 125 C Ambient) High Performance CHMOS EPROM Three 16-Bit Timer Counters One-to-Three Level Program Data Lock System 16K On-Chip EPROM ROM 256 Bytes of On-Chip Data RAM Quick Pulse Programming Algorithm Boolean Processor 32 Programmable I O Lines 7 Interrupt Sources Y Y Y Y Programmable Serial Channel with Framing Error Detection Automa.

87C54-20 Features

* of 16 Kbytes of program memory make it an even more powerful microcontroller for applications that require High Speed I O and up down counting capabilities such as brake and traction control Other brands and names are the property of their respective owners Information in this document is provided

87C54-20_IntelCorporation.pdf