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CS5920 датащи(PDF) 155 Page - Applied Micro Circuits Corporation |
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CS5920 датащи(HTML) 155 Page - Applied Micro Circuits Corporation |
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155 / 160 page ![]() S5920 – PCI Product Revision 1.01 – November 28, 2005 AMCC Confidential and Proprietary DS1596 155 Data Book Notes: 1. Applies only when external mailbox is in input mode (MDMODE = 1). 2. Applies only when external mailbox is in input/output mode (MDMODE = 0). 3. When the S5920 is driving MD[7:0] w/ Add-On incoming mailbox byte 3, the PCI can update this output synchronously to the PCI clock. As a result, once driving, this output is asynchronous to ADCLK. Figure 91. Mailbox Data Figure 92. Mailbox Data Table 66. Mailbox Timings Functional Operation Range (VCC = 5.0 V ± 5%, 0°C to 70°C, 50 pF load on outputs) Symbol Parameter Min Max Units Notes t60 LOAD# Setup to ADCLK Rising Edge 4 ns t61 LOAD# Hold from ADCLK Rising Edge 1 ns t62 MD[7:0] Setup to ADCLK Rising Edge 2.6 ns 1 t63 MD[7:0] Hold from ADCLK Rising Edge 1 ns 1 t64 MD[7:0] Float from LOAD# Low 14.9 ns 2 t65 MD[7:0] Active from ADCLK Rising Edge 17 ns 2,3 ADCLK LOAD# MD[7:0] t 60 t 61 t 62 t 63 ADCLK LOAD# MD[7:0] t 60 t 61 t 63 t 64 t 62 t 65 Add-On Driving 5920 Driving 5920 Driving |
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