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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT89S53 датащи(PDF) 1 Page - ATMEL Corporation |
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AT89S53 датащи(HTML) 1 Page - ATMEL Corporation |
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1 / 35 page  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 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 on- chip downloadable Flash allows the program memory to be reprogrammed in-system through an SPI serial interface or by a conventional nonvolatile memory programmer. 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 Data Point- ers, three 16-bit timer/counters, a six-vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator, and clock circuitry. In addition, the AT89S53 is designed with static logic for operation down to zero frequency and supports two soft- ware selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port, and interrupt system to continue functioning. The Power-down mode saves the RAM contents but freezes the oscillator, disabling all other chip functions until the next interrupt or hardware reset. The downloadable Flash can change a single byte at a time and is accessible through the SPI serial interface. Holding RESET active forces the SPI bus into a serial pro- gramming interface and allows the program memory to be written to or read from unless Lock Bit 2 has been activated. 8-bit Microcontroller with 12K Bytes Flash AT89S53 Not Recommended for New Designs. Use AT89S8253. 0787E–MICRO–3/06 |
Аналогичный номер детали - AT89S53_06 |
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Аналогичное описание - AT89S53_06 |
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ссылки URL |
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