87L54 Datasheet | Intel Corporation

8XL52 54 58 LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS mercial Express 87L52 80L52 87L54 80L54 87L58 80L58 High Performance CHMOS OTP ROM Low Voltage Operation 20 MHz mercial 16 MHz Express Operation Three 16-Bit Timer Counters Up Down Timer Counter Three Level Program Lock System 8K 16K 32K On-Chip Program Memory 256 Bytes of On-Chip Data RAM Improved Quick Pulse Programming Algorithm Boolean Processor 32 Programmable I O Lines 6 Interrupt Sources Four Level Interrupt Priority Programmable Serial Channel with Framing Error Detection Automatic Address Recognition 64K External Program Memory Space 64K External Data Memory Space MCS 51 Microcontroller patible Instruction Set Power Saving Idle and Power Down Modes ONCE (On-Circuit Emulation) Mode Extended Temperature Range ( b 40 C to a 85 C) Y Y Y Y Y Y MEMORY ORGANIZATION OTP ROM Version 87L52 87L54 87L58 ROM Version 80L52 80L54 80L58 ROM OTP ROM Bytes 8K 16K 32K RAM Bytes 256 256 256 These devices can address up to 64 Kbytes of external program data memory The Intel 8XL52 8XL54 8XL58 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 microcontroller family the 8XL52 8XL54 8XL58 uses the same powerful instruction set has the same architecture and is pin-for-pin patible with the existing MCS 51 microcontroller products The 8XL5X is a 3V version of current 8XC5X and will operate from 2 7V to 3 6V at a frequency range of 3 5 MHz to 16 MHz (Express) 20 MHz (mercial) For the remainder of this document the 8XL52 8XL54 8XL58 will be referred to as the 8XL5X unless information applies to a specific device 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...