AT89C1051
• Compatible with MCS-51™ Products • 1K Byte of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 2.7V to 6V
Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Two-Level
Program Memory Lock • 64 bytes SRAM • 15 Programmable I/O Lines
• One 16-Bit Timer/Counter • Three Interrupt Sources • Direct
LED Drive Outputs • On-Chip Analog Comparator • Low Power Idle
and Power Down Modes
Download PDF-File (12 pages,
152 kbytes)
AT89C2051
• Compatible with MCS-51™ Products • 2K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 2.7V to 6V
Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Two-Level
Program Memory Lock • 128 x 8-Bit Internal RAM • 15 Programmable
I/O Lines • Two 16-Bit Timer/Counters • Six Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• On-Chip Analog Comparator • Low Power Idle and Power Down Modes
Download PDF-File (13 pages,
252 kbytes)
AT89C4051
• Compatible with MCS-51™ Products • 4K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 3.0V to 6V
Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Two-Level
Program Memory Lock • 128 x 8-Bit Internal RAM • 15 Programmable
I/O Lines • Two 16-Bit Timer/Counters • Six Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• On-Chip Analog Comparator • Low Power Idle and Power Down Modes
• Brown-Out Detection
Download PDF-File (15 pages,
266 kbytes)
AT89C51
• Compatible with MCS-51™ Products • 4K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 4.0V to 6V
Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Three-Level
Program Memory Lock • 128 x 8-Bit Internal RAM • 32 Programmable
I/O Lines • Two 16-Bit Timer/Counters • Six Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• Low Power Idle and Power Down Modes
Download PDF-File (15 pages,
130 kbytes)
AT89C52
• Compatible with MCS-51™ Products • 8K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 4.0V to 6V
Operating Range • Fully Static Operation: 0 Hz to 24 MHz • Three-Level
Program Memory Lock • 256 x 8-Bit Internal RAM • 32 Programmable
I/O Lines • Three 16-Bit Timer/Counters • Eight Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• Low Power Idle and Power Down Modes
Download PDF-File (24 pages,
387 kbytes)
AT89C55
• Compatible with MCS-51™ Products • 20K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 4.0V to 6V
Operating Range • Fully Static Operation: 0 Hz to 33 MHz • Three-Level
Program Memory Lock • 256 x 8-Bit Internal RAM • 32 Programmable
I/O Lines • Three 16-Bit Timer/Counters • Eight Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• Low Power Idle and Power Down Modes
Download PDF-File (24 pages,
607 kbytes)
AT89C55WD
• Compatible with MCS-51™ Products • 20K Bytes of Reprogrammable
Flash Memory – Endurance: 1,000 Write/Erase Cycles • 4.0V to 5.5V
Operating Range • Fully Static Operation: 0 Hz to 33 MHz • Three-Level
Program Memory Lock • 256 x 8-Bit Internal RAM • 32 Programmable
I/O Lines • Three 16-Bit Timer/Counters • Eight Interrupt Sources
• Programmable Serial UART Channel • Direct LED Drive Outputs
• Low Power Idle and Power Down Modes
Download PDF-File (25 pages,
367 kbytes)
AT89S8252
• Compatible with MCS-51™ Products • 8K Bytes of Reprogrammable
Flash Memory • 2K Bytes of EEPROM • 4.0V to 6V Operating Range
• Fully Static Operation: 0 Hz to 24 MHz • Three-Level Program
Memory Lock • 256 x 8-Bit Internal RAM • 32 Programmable I/O Lines
• Three 16-Bit Timer/Counters • Nine Interrupt Sources • Programmable
Serial UART Channel • Direct LED Drive Outputs • Low Power Idle
and Power Down Modes
Download PDF-File (34 pages,
589 kbytes)
AT89S53
• Compatible with MCS-51™ Products • 12K Bytes of Reprogrammable
Flash Memory • 4V to 6V Operating Range • Fully Static Operation:
0 Hz to 24 MHz • Three-Level Program Memory Lock • 256 x 8-Bit
Internal RAM • 32 Programmable I/O Lines • Three 16-Bit Timer/Counters
• Nine Interrupt Sources • Programmable Serial UART Channel •
Direct LED Drive Outputs • Low Power Idle and Power Down Modes
Download PDF-File (34 pages,
603 kbytes)
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