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DP83266 Datasheet(PDF) 97 Page - National Semiconductor (TI) |
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DP83266 Datasheet(HTML) 97 Page - National Semiconductor (TI) |
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97 / 152 page  70 Control Information (Continued) Service Notify Register (SNR) The Service Notify Register (SNR) is used to enable attentions in the Service Attention Register (SAR) If a bit in Register SNR is set to One the corresponding bit in Register SAR will be applied to the Master Attention Register which can be used to generate a interrupt to the host All bits in this register are set to Zero upon reset Access Rules Address Read Write 109h Always Always Register Bits D7 D6 D5 D4 D3 D2 D1 D0 RES RES RES RES ABRON ABR1N LMOPN PTOPN Bit Symbol Description D0 PTOPN Pointer RAM Operation Notify This bit is used to enable the PTOP bit in Register SAR D1 LMOPN Limit RAM Operation Notify This bit is used to enable the LMOP bit in Register SAR D2 ABR1N Abort Request RCHN1 Notify This bit is used to enable the ABR1 bit in Register SAR D3 ABR0N Abort Request RCHN0 Notify This bit is used to enable the ABR0 bit in Register SAR D4 – D7 RES Reserved 97 |
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