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AT89C55WD pdf datasheet
消耗积分:2 |
格式:rar |
大小:555 |
2008-07-17
张磊
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Features
• Compatible with MCS-51™ Products
• 20K Bytes of Reprogrammable Flash Memory
• Endurance: 1000 Write/Erase Cycles
• 4V 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 Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Hardware Watchdog Timer
• Dual Data Pointer
• Power-off Flag
Description
The AT89C55WD is a low-power, high-performance CMOS 8-bit microcomputer with
20K bytes of Flash programmable read only memory and 256 bytes of RAM. The
device is manufactured using Atmel’s high-density nonvolatile memory technology
and is compatible with the industry standard 80C51 and 80C52 instruction set and
• Compatible with MCS-51™ Products
• 20K Bytes of Reprogrammable Flash Memory
• Endurance: 1000 Write/Erase Cycles
• 4V 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 Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Hardware Watchdog Timer
• Dual Data Pointer
• Power-off Flag
Description
The AT89C55WD is a low-power, high-performance CMOS 8-bit microcomputer with
20K bytes of Flash programmable read only memory and 256 bytes of RAM. The
device is manufactured using Atmel’s high-density nonvolatile memory technology
and is compatible with the industry standard 80C51 and 80C52 instruction set and
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