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AM79C972BVCW Datenblatt(PDF) 12 Page - Advanced Micro Devices |
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AM79C972BVCW Datenblatt(HTML) 12 Page - Advanced Micro Devices |
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12 / 130 page ![]() 12 Am79C972 PIN DESIGNATIONS (PQR160, PQL176) Listed By Group Note: 1. Not including test features. Pin Name Pin Function Type1 No. of Pins PCI Bus Interface AD[31:0] Address/Data Bus IO 32 C/BE[3:0] Bus Command/Byte Enable IO 4 CLK Bus Clock I 1 DEVSEL Device Select IO 1 FRAME Cycle Frame IO 1 GNT Bus Grant I 1 IDSEL Initialization Device Select I 1 INTA Interrupt O 1 IRDY Initiator Ready IO 1 PAR Parity IO 1 PERR Parity Error IO 1 REQ Bus Request O 1 RST Reset I 1 SERR System Error IO 1 STOP Stop IO 1 TRDY Target Ready IO 1 Board Interface LED0 LED0 O 1 LED1 LED1 O 1 LED2 LED2 O 1 LED3 LED3 O 1 TBC_IN Test Pin I 1 TBC_EN Test Pin I 1 PHY_RST Reset to PHY O 1 EEPROM Interface EECS Serial EEPROM Chip Select O 1 EEDI Serial EEPROM Data In O 1 EEDO Serial EEPROM Data Out I 1 EESK Serial EEPROM Clock IO 1 Expansion ROM Interface AS_EBOE Address Strobe/Expansion Bus Output Enable O 1 EBCLK Expansion Bus Clock I 1 EBD[7:0] Expansion Bus Data [7:0] IO 8 EBDA[15:8] Expansion Bus Data/Address [15:8] IO 8 EBUA_EBA[7:0] Expansion Bus Upper Address /Expansion Bus Address [7:0] O 8 EBWE Expansion Bus Write Enable O 1 EROMCS Expansion Bus ROM Chip Select O 1 |
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