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8XL52 54 58 LOW VOLTAGE CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLERS
Commercial Express
87L52 80L52 87L54 80L54 87L58 80L58
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High Performance CHMOS OTP ROM Low Voltage Operation 20 MHz Commercial 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
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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 Compatible Instruction Set Power Saving Idle and Power Down Modes ONCE (On-Circuit Emulation) Mode Extended Tem