EP80579 Datasheet, PDF (1589/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
39.6.1.3
Offset 00000008h: Buffer Status - Buffer Status Indicators
These status indicators bundle the respective flags from all RxMessage and TxMessage
buffers.
Table 39-8. Offset 00000008h: Buffer Status Indicators
Description:
View: PCI 1
BAR: CSRBAR
Bus:Device:Function: M:4:0
Offset Start: 00000008h
Offset End: 0000000Ah
View: PCI 2
BAR: CSRBAR
Bus:Device:Function: M:5:0
Offset Start: 00000008h
Offset End: 0000000Ah
Size: 32 bit
Default: 00000000h
Power Well: Core
Bit Range
31 :24
23 :16
15 :00
Bit Acronym
Bit Description
RSVD
Reserved, these bits are always 0
TXMSG_7_0 TxReq pending (bits [7:0])
RXMSG_15_0 MsgAv (bits [15:0])
Sticky
Bit Reset
Value
0h
0b
0b
Bit Access
RO
RO
RO
Note:
All flags are read only (e.g. to acknowledge a MsgAv flag, the CPU has to write to the
respective RxMessage buffer).
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
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