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8XC51RA Datasheet(PDF) 1 Page - Intel Corporation |
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8XC51RA Datasheet(HTML) 1 Page - Intel Corporation |
1 / 20 page 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 December 1995 COPYRIGHT INTEL CORPORATION 1995 Order Number 272659-002 8XC51RARBRC CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER CommercialExpress 87C51RA83C51RA80C51RA87C51RB83C51RB87C51RC83C51RC See Table 1 for Proliferation Options Y High Performance CHMOS EPROM ROMCPU Y 24 MHz Operation Y 512 Bytes of On-Chip Data RAM Y Dedicated Hardware Watchdog Timer (One-Time Enabled with Reset-Out) Y Three 16-Bit TimerCounters Y Programmable Clock Out Y UpDown TimerCounter Y Three Level Program Lock System Y 8K16K32K On-Chip Program Memory Y Improved Quick Pulse Programming Algorithm Y Boolean Processor Y 32 Programmable IO Lines Y 6 Interrupt Sources Y Programmable Serial Channel with Framing Error Detection Automatic Address Recognition Y TTL and CMOS Compatible Logic Levels Y 64K External Program Memory Space Y 64K External Data Memory Space Y MCS 51 Compatible Instruction Set Y Power Saving Idle and Power Down Modes Y ONCE (On-Circuit Emulation) Mode Y Four-Level Interrupt Priority Y Extended Temperature Range (b40 Cto a85 C) MEMORY ORGANIZATION ROMless ROM EPROM ROMEPROM RAM Device Device Version Bytes Bytes 80C51RA 83C51RA 87C51RA 8K 512 80C51RA 83C51RB 87C51RB 16K 512 80C51RA 83C51RC 87C51RC 32K 512 These devices can address up to 64 Kbytes of external programdata memory The Intel 8XC51RA8XC51RB8XC51RC is a single-chip control-oriented microcontroller which is fabricated on Intel’s reliable CHMOS III-E technology Being a member of the MCS 51 family of controllers the 8XC51RA8XC51RB8XC51RC 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 8XC51RA8XC51RB8XC51RC is an enhanced version of the 8XC528XC548XC58 The added features make it an even more powerful microcon- troller for applications that require 512 bytes of on-chip data RAM and dedicated hardware WatchDog Timer with reset-out features Throughout this document 8XC51RX will refer to the 8XC51RA 8XC51RB and 8XC51RC unless information applies to a specific device For a detailed description of 8XC51RARBRC refer to the 8XC51RARBRC Hardware Description order number 272668 |
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