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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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DP83255AVF 数据表(PDF) 49 Page - National Semiconductor (TI) |
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DP83255AVF 数据表(HTML) 49 Page - National Semiconductor (TI) |
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49 / 96 page  50 Registers (Continued) DEVICE ID REGISTER (IDR) The Device ID Register contains the binary equivalent of the revision number for this device It can be used to ensure proper software and hardware versions are matched During the Control Bus Interface write-cycle the PLAYER device will set the Control Bus Write Command Register bit (CCR) of the Interrupt Condition Register (ICR) to 1 and will ignore write-cycle ACCESS RULES ADDRESS READ WRITE 18h Always Write Reject D7 D6 D5 D4 D3 D2 D1 D0 DID7 DID6 DID5 DID4 DID3 DID2 DID1 DID0 Bit Symbol Description D0 DID0 DEVICE ID BIT k0l Least significant bit (LSB) of the revision number D1–6 DID1–6 DEVICE ID BIT k1-0-6l Intermediate bits of the revision number D7 DID7 DEVICE ID BIT k7l Most significant bit (MSB) of the revision number 49 |
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