AT89S52单片机

·与MCS-51 兼容
·4K字节可编程闪烁存储器，寿命：1000写/擦循环，数据保留时间：10年
·全静态工作：0Hz-24Hz
·三级程序存储器锁定
·128*8位内部RAM
·32可编程I/O线
·两个16位定时器/计数器
·5个中断源
·可编程串行通道
·低功耗的闲置和掉电模式
·片内振荡器和时钟电路

·与MCS-51 兼容
·4K字节可编程闪烁存储器，寿命：1000写/擦循环，数据保留时间：10年
·全静态工作：0Hz-24Hz
·可编程串行通道
·低功耗的闲置和掉电模式
·片内振荡器和时钟电路

Features
• Compatible with MCS-51® Products
• 8K Bytes of In-System Programmable (ISP) Flash Memory
– Endurance: 1000 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
• Full Duplex UART Serial Channel
• Low-power Idle and Power-down Modes
• Interrupt Recovery from Power-down Mode
• Watchdog Timer
• Dual Data Pointer
• Power-off Flag
• Fast Programming Time
• Flexible ISP Programming (Byte and Page Mode)