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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DP83256 датащи(PDF) 138 Page - Texas Instruments |
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DP83256 датащи(HTML) 138 Page - Texas Instruments |
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138 / 146 page  80 Connection Diagrams (Continued) TABLE 8-3 DP83257 160-Pin PQFP Pinout Summary Pin No Signal Name Symbol IO Pin Type 1 Local Byte Clock 4 LBC4 O TTL 2 Local Byte Clock 3 LBC3 O TTL 3 Local Byte Clock 2 LBC2 O TTL 4 Local Byte Clock 1 LBC1 O TTL 5 Clock 1632 CLK16 O TTL 6 PHY Port A Indicate Parity AIP O TTL 7 PHY Port A Request Parity ARP I TTL 8 PHY Port A Indicate Control AIC O TTL 9 PHY Port A Request Control ARC I TTL 10 PHY Port A Indicate Datak7l AID7 O TTL 11 PHY Port A Request Datak7l ARD7 I TTL 12 PHY Port A Indicate Datak6l AID6 O TTL 13 PHY Port A Request Datak6l ARD6 I TTL 14 PHY Port A Indicate Datak5l AID5 O TTL 15 PHY Port A Request Datak5l ARD5 I TTL 16 IO Power VCC IO a 5V 17 IO Ground GND IO a 0V 18 PHY Port A Indicate Datak4l AID4 O TTL 19 PHY Port A Request Datak4l ARD4 I TTL 20 PHY Port A Indicate Datak3l AID3 O TTL 21 PHY Port A Request Datak3l ARD3 I TTL 22 PHY Port A Indicate Datak2l AID2 O TTL 23 PHY Port A Request Datak2l ARD2 I TTL 24 PHY Port A Indicate Datak1l AID1 O TTL 25 PHY Port A Request Datak1l ARD1 I TTL 26 PHY Port A Indicate Datak0l AID0 O TTL 27 PHY Port A Request Datak0l ARD0 I TTL 28 Reserved 0 RES 0 a 0V 29 Reserved 0 RES 0 a 0V 30 Reserved 0 RES 0 a 0V 31 Reserved 0 RES 0 a 0V 32 ANALOG Power VCC ANALOG a 5V 33 ANALOG Ground GND ANALOG a 0V 34 Phase Select PH SEL I TTL 35 Reference Select REF SEL I TTL 36 Reference Input REF IN I TTL 37 Feedback Input FBK IN I TTL 38 No Connect NC 137 |
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