Atmel AT89S53
The AT89S53 is a low-power, high-performance CMOS 8-bit microcomputer with 12K bytes of downloadable Flash programmable and erasable read only 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. The onchip downloadable Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer.| Part No. | AT89S53 |
|---|---|
| Datasheet | AT89S53 Download |
| Manufacturer |  Atmel |
| Description | 8-bit Microcontroller |
| Buy | Stock & Price |
FEATURES
● Compatible with MCS-51™ Products● 12K Bytes of In-System Reprogrammable Downloadable Flash Memory – SPI Serial Interface for Program Downloading – Endurance: 1,000 Write/Erase Cycles
● 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 UART Serial Channel
● SPI Serial Interface
● Low-power Idle and Power-down Modes
● Interrupt Recovery From Power-down
● Programmable Watchdog Timer
● Dual Data Pointer
● Power-off Flag
DESCRIPTION
By combining a versatile 8-bit CPU with downloadable Flash on a monolithic chip, the Atmel AT89S53 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89S53 provides the following standard features: 12K bytes of downloadable Flash, 256 bytes of RAM, 32 I/O lines, programmable watchdog timer, two Da...
