Details, datasheet, quote on part number: AN87C51FC
CompanyIntel Corporation
DatasheetDownload AN87C51FC datasheet
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Features, Applications

FX Core Architecture Device Extended Automotive Temperature Range 125 C Ambient) Available in 12 MHz 16 MHz and 20 MHz Versions High Performance CHMOS EPROM Three 16-Bit Timer Counters Timer 2 (Up Down Counter) Programmable Counter Array with High Speed Output Compare Capture Pulse Width Modulator Watchdog Timer Capabilities One-to-Three Level Program Lock System on EPROM 8K On-Chip User Programmable EPROM 87C51FA 16K On-Chip User Programmable EPROM 87C51FB 32K On-Chip User Programmable EPROM 87C51FC 256 Bytes of On-Chip Data RAM

Quick Pulse Programming Algorithm Boolean Processor 32 Programmable I O Lines 7 Interrupt Sources Four Level Interrupt Priority Programmable Serial Channel with Framing Error Detection Automatic Address Recognition TTL and CMOS Compatible Logic Levels 64K External Program Memory Space 64K External Data Memory Space MCS -51 Fully Compatible Instruction Set Power Saving Idle and Power Down Modes ONCE (On-Circuit Emulation) Mode RFI Reduction Mode Available in PLCC and PDIP Packages

PROGRAM MEMORY to 8 Kbytes of the program memory can reside in the 87C51FA On-Chip EPROM to 16 Kbytes of the program memory can reside in the 87C51FB on-chip EPROM to 32 Kbytes of the program memory can reside in the 87C51FC on-chip EPROM In addition the device can address 64K of program memory external to the chip DATA MEMORY This microcontroller has x 8 on-chip RAM In addition it can address to 64 Kbytes of external data memory The Intel is a single-chip control-oriented microcontroller which is fabricated on Intel's reliable CHMOS EPROM technology Being a member of the MCS-51 family the 87C51FB 87C51FC uses the same powerful instruction set has the same architecture and is pin-for-pin compatible with the existing MCS-51 family of products The is an enhanced version of the 87C51 The is an enhanced version of the 87C51FA The is an enhanced version of the 87C51FB With 8 Kbytes of program memory in the 87C51FA and 16 Kbytes of program memory in the 87C51FB and 32 Kbytes of program memory in the is an even more powerful microcontroller for applications that require Pulse Width Modulation High Speed I O and up down counting capabilities such as brake and traction control For the remainder of this document the 87F51FA 87C51FB and 87C51FC will be referred to as the FB FC

Other brands and names are the property of their respective owners Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or copyright for sale and use of Intel products except as provided in Intel's Terms and Conditions of Sale for such products Intel retains the right to make changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata

Intel's extended and automotive temperature range products are designed to meet the needs of those applications whose operating requirements exceed commercial standards

With the commercial standard temperature range operational characteristics are guaranteed over the temperature range 70 C ambient With the extended temperature range option operational characteristics are guaranteed over the temperature

range 85 C ambient For the automotive temperature range option operational characteristics are guaranteed over the temperature range 125 C ambient The automotive extended and commercial temperature versions of the MCS-51 product families are available with or without burn-in options As shown in Figure 2 temperature burn-in and package options are identified by a one- or two-letter prefix to the part number

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 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

Example FB FC indicates an automotive temperature range version of the in a PLCC package with 16 Kbyte 32 Kbyte EPROM program memory

Figure 2 Package Options Table 1 Temperature Options Temperature Classification Extended Automotive Temperature Designation Operating Temperature C Ambient

Burn-In Options Standard Extended Standard Extended


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