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PCI1031 Datasheet(PDF) 45 Page - Texas Instruments |
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PCI1031 Datasheet(HTML) 45 Page - Texas Instruments |
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45 / 100 page  PCI1031 PCI-TO-PC CARD16 CONTROLLER UNIT SCPS008B – FEBRUARY 1996 – REVISED DECEMBER 1997 45 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 I/O limit registers 0, 1 Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Name I/O limit registers 0, 1 Type R R R R R R R R R R R R R R R R Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Name I/O limit registers 0, 1 Type R R R R R R R R R R R R R R R R Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Register: I/O limit registers 0, 1 Type: Read only Offset: 30h, 38h Default: 0000 0000h Description: This register is not used. interrupt line register Bit 7 6 5 4 3 2 1 0 Name Interrupt line Type R/W R/W R/W R/W R/W R/W R/W R/W Default 1 1 1 1 1 1 1 1 Register: Interrupt line Type: Read/write Offset: 3Ch Default: FFh Description: The contents of this register default to the FFh (the unknown condition). interrupt pin register Bit 7 6 5 4 3 2 1 0 Name Interrupt pin Type R R R R R R R R Function 0 (socket A) default 0 0 0 0 0 0 0 1 Function 1 (socket B) default 0 0 0 0 0 0 1 0 Register: Interrupt pin Type: Read only Offset: 3Dh Default: 01h for function 0 (socket A) and 02h for function 1 (socket B) Description: This register is hardwired and writes to the register have no effect. The return values for the register are 01h for function 0 (socket A) and 02h for function 1 (socket B). |
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