Atmel At89s51 Microcontrollers

We are engaged in manufacturing and supplying excellent quality ATMEL AT89s51 Microcontrollers in Jaipur, Rajasthan, India. The AT89S51 provides the following standard features: 4K bytes of Flash, 128 bytes of RAM, 32 I/O lines, Watchdog timer, two data pointers, two 16-bit timer/counters, a five-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry.

Features:
a c Compatible with MCSAR-51 Products
a c 4K Bytes of In-System Programmable (ISP) Flash Memory
a Endurance: 1000 Write/Erase Cycles
a c 4.0V to 5.5V Operating Range
a c Fully Static Operation: 0 Hz to 33 MHz
a c Three-level Program Memory Lock
a c 128 x 8-bit Internal RAM
a c 32 Programmable I/O Lines
a c Two 16-bit Timer/Counters
a c Six Interrupt Sources
a c Full Duplex UART Serial Channel
a c Low-power Idle and Power-down Modes
a c Interrupt Recovery from Power-down Mode
a c Watchdog Timer
a c Dual Data Pointer
a c Power-off Flag
a c Fast Programming Time
a c Flexible ISP Programming (Byte and Page Mode)
a c Green (Pb/Halide-free) Packaging Option