Atmel AT89S52 Microcontroller?
?The AT89S52 is alow-power, high-performance CMOS 8-bit microcontroller with 8K bytes of in-system programmable Flash memory. The device is manufactured using Atmel?s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout.
? Compatible with MCS?-51 Products
? 8K Bytes of In-System Programmable (ISP) Flash Memory
? Endurance: 10,000 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
? 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)
? Green (Pb/Halide-free) Packaging Option?