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請(qǐng)教關(guān)于89C52與89S52的 |
| 作者:bluebug1 欄目:技術(shù)交流 |
請(qǐng)教89C52與89S52的主要區(qū)別是什么?誰(shuí)有這方面的資料?在哪下載或者發(fā)給我.非常感謝! E-mail: blueicewind@126.com |
| 2樓: | >>參與討論 |
| 作者: vvvlon 于 2005/2/2 23:09:00 發(fā)布:
89C52停產(chǎn)了,89S52是其替代品 |
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| 3樓: | >>參與討論 |
| 作者: smm0214 于 2005/2/3 10:30:00 發(fā)布:
我上次就是吃了個(gè)虧! AT89C52的管腳驅(qū)動(dòng)能力強(qiáng)于S52.電器特性有點(diǎn)差異! |
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| 4樓: | >>參與討論 |
| 作者: chunyang 于 2005/2/3 12:06:00 發(fā)布:
去“侃單片機(jī)”壇子里看老貼 |
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| 5樓: | >>參與討論 |
| 作者: myymichael 于 2005/2/3 12:30:00 發(fā)布:
-_-b 80C51.html">80C51 FEATURES • 80C51 CENTRAL Processing Unit • On-chip FLASH Program MEMORY • Speed up to 33 MHz • Full static operation • RAM expandable externally to 64 k bytes • 4 level priority interrupt • 6 interrupt sources • Four 8-bit I/O PORTs • Full-duplex enhanced UART – Framing error detection – Automatic address recognition • POWER CONTROL modes – Clock can be stopped and resumed – Idle mode – POWER down mode • Programmable clock out • Second DPTR register • Asynchronous PORT reset • Low EMI (inhibit ALE) • 3 16-bit timers • Wake up from POWER down by an external interrupt AT89S52 的 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) |
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