
PI7C8154A
ASYNCHRONOUS 2-PORT
PCI-to-PCI BRIDGE
Advance Information
Page 91 of 114
DEC 2009 REVISION 1.02
Bit
Function
Type
Description
1
Posted Write
with Parity Error
R/W
0: P_SERR# is asserted if a parity error is detected on the target bus
during a posted write transaction and the SERR# enable bit in the
command register is set.
1: P_SERR# is not asserted, although a parity error is detected on the
target bus during a posted write transaction and the SERR# enable bit in
the command register is set.
Reset to 0
2
Posted Write
with Non-
Delivery Data
R/W
0: P_SERR# is asserted if the bridge is not able to transfer any posted
write data after 224 attempts and the SERR# enable bit in the command
register is set.
1: P_SERR# is not asserted although the bridge is not able to transfer any
posted write data after 224 attempts and the SERR# enable bit in the
command register is set.
Reset to 0
3
Target Abort
During Posted
Write
R/W
0: P_SERR# is asserted if the bridge receives a target abort when
attempting to deliver posted write data and the SERR# enable bit in the
command register is set.
1: P_SERR# is not asserted even though the bridge receives a target
abort when attempting to deliver posted write data and the SERR# enable
bit in the command register is set.
Reset to 0
4
Master Abort
During Posted
Write
R/W
0: P_SERR# is asserted if the bridge receives a master abort when
attempting to deliver posted write data and the SERR# enable bit in the
command register is set.
1: P_SERR# is not asserted even though the bridge receives a master
abort when attempting to deliver posted write data and the SERR# enable
bit in the command register is set.
Reset to 0
5
Delayed Write
with Non-
Delivery
R/W
0: P_SERR# is asserted if the bridge is not able to transfer any delayed
write data after 224 attempts and the SERR# enable bit in the command
register is set.
1: P_SERR# is not asserted even though the bridge is not able to transfer
any delayed write data after 224 attempts and the SERR# enable bit in the
command register is set.
Reset to 0
6
Delayed Read
Without Data
From Target
R/W
0: P_SERR# is asserted if the bridge is not able to transfer any read data
from the target after 224 attempts and the SERR# enable bit in the
command register is set.
1: P_SERR# is not asserted even though the bridge is not able to transfer
and read data from the target after 224 attempts and the SERR# enable bit
in the command register is set.
Reset to 0.
7
Reserved
R/O
Returns 0 when read. Reset to 0.