參數(shù)資料
型號: S5933QE
廠商: APPLIEDMICRO INC
元件分類: 總線控制器
英文描述: PCI BUS CONTROLLER, PQFP160
封裝: PLASTIC, QFP-160
文件頁數(shù): 126/176頁
文件大小: 823K
代理商: S5933QE
3-62
PCI BUS OPERATION REGISTERS
S5933
Table 3. Interrupt Control/Status Register (Continued)
9:8
Incoming Mailbox Byte Interrupt select. This field selects which byte of the mailbox selected by bits
10 and 11 above is to actually cause the interrupt. [00]b selects byte 0, [01]b selects byte 1, [10]b
selects byte 2, and [11]b selects byte 3. This field is read/write.
7:5
Reserved, Always zero.
4
Enable outgoing mailbox interrupt. This bit allows a read by the Add-On of the outgoing mailbox
register identified by bits 3 through 0 to produce a PCI interface interrupt. This bit is read/write.
3:2
Outgoing Mailbox Interrupt Select. This field selects which of the four outgoing mailboxes is to be the
source for causing an outgoing mailbox interrupt. [00]b selects mailbox 1, [01]b selects mailbox 2,
[10]b selects mailbox 3 and [11]b selects mailbox 4. This field is read/write.
1:0
Outgoing Mailbox Byte Interrupt select. This field selects which byte of the mailbox selected by bits
3 and 2 above is to actually cause the interrupt. [00]b selects byte 0, [01]b selects byte 1, [10]b selects
byte 2, and [11]b selects byte 3. This field is read/write.
Bit
Description
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