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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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