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| RN4987资料 | |
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RN4987 PDF Download |
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File Size : 116 KB
Manufacturer:Toshiba Description:Protect Register Clear (PRCLEAR) The PRCLEAR instruction clears the address stored in the Protect Register and therefore enables all registers for the WRITE and WRALL instruction The PRE and PE pins must be held high while loading the instruction sequence howev- er after loading the PRCLEAR instruction the PRE and PE pins become dont care Note that a PREN instruction must immediately precede a PRCLEAR instruction Please note that the PRCLEAR instruction and the PRWRITE instruction will both program the Protect Register with all 1s However the PRCLEAR instruction will allow the LAST register to be programmed whereas the PRWRITE instruction e all 1s will PREVENT the last register from being programmed In addition the PRCLEAR instruction will allow the use of the WRALL command where the PRWRITE e all 1s will lock out the Bulk programming op- code |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：RN4987 厂 家：Toshiba 封 装：SOT-363 批 号：09+ 数 量：50000 说 明：绝对全新原装大量现货，欢迎来电查询 |
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