XIO2000AI TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS], XIO2000AI Datasheet - Page 103

• Manufacturer Part Number: XIO2000AI
• Description: PCI Express to PCI Bus Translation Bridge
• Manufacturer: TAOS [TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS]

4.73 Serial IRQ Edge Control Register
† These bits are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.
April 2007 Revised October 2008
BIT
15†
14†
13†
12†
11†
10†
9†
8†
7†
6†
5†
4†
3†
2†
This register controls the edge mode or level mode for each IRQ in the serial IRQ stream. See Table 4−47 for
a complete description of the register contents.
RESET STATE
BIT NUMBER
IRQ15_MODE
IRQ14_MODE
IRQ13_MODE
IRQ12_MODE
IRQ10_MODE
IRQ11_MODE
FIELD NAME
IRQ9_MODE
IRQ8_MODE
IRQ7_MODE
IRQ6_MODE
IRQ5_MODE
IRQ4_MODE
IRQ3_MODE
IRQ2_MODE
PCI register offset:
Register type:
Default value:
15
ACCESS
0
Table 4−47. Serial IRQ Edge Control Register Description
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
14
0
IRQ 15 edge mode
IRQ 14 edge mode
IRQ 13 edge mode
IRQ 12 edge mode
IRQ 11 edge mode
IRQ 10 edge mode
IRQ 9 edge mode
IRQ 8 edge mode
IRQ 7 edge mode
IRQ 6 edge mode
IRQ 5 edge mode
IRQ 4 edge mode
IRQ 3 edge mode
IRQ 2 edge mode
13
0
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
0 = Edge mode (default)
1 = Level mode
E2h
Read/Write
0000h
12
0
11
0
10
0
9
0
8
0
DESCRIPTION
7
0
6
0
5
0
Classic PCI Configuration Space
4
0
3
0
SCPS155C
2
0
1
0
0
0
93