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89C51; 89C52; 89C54;
89C58
89C51; 89C52; 89C54;
89C58
Information as of 2000-08-23
89C51; 89C52; 89C54; 89C58; 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
The 89C51/89C52/89C54/89C58 contain a non-volatile FLASH program memory that is parallel programmable. For devices that are serial
programmable (In System Programmable (ISP) with a boot loader), see the 89C51RC+/89C51RD+ datasheet.
Both families are Single-Chip 8-bit Microcontrollers manufactured in advanced CMOS process and are derivatives of the 80C51
microcontroller family. All the devices have the same instruction set as the 80C51.
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80C51 Central Processing Unit
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On-chip FLASH Program Memory
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Speed up to 33 MHz
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Full static operation
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RAM expandable externally to 64 k bytes
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4 level priority interrupt
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6 interrupt sources
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Four 8-bit I/O ports
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Full-duplex enhanced UART
Framing error detection
Automatic address recognition
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Power control modes
Clock can be stopped and resumed
Idle mode
Power down mode
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Programmable clock out
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