Publication No. 500-9300875565-000 Rev. C.0
Programming 35
Table 3-4 PCI Status Register
PCI Status: Offset $06
Bit
Description
Read Write
Value after
PCI Reset
2:0
Reserved
Yes
No
$0
3
Interrupt Status.
Set by the Reflective Memory when the
function would normally assert an interrupt pin,
regardless of interrupt disable bit state.
Yes
No
0
4
New Capabilities Functions Support.
Hardwired to a one (1). The Reflective Memory
implements a capabilities list.
Yes
No
1
5
66 MHz Capable.
If set to one (1), this device supports 66 MHz
PCI clock environment.
Yes
No
1
6
User Definable Functions.
If set to one (1), this device supports user
definable functions.
Read-only from the PCI bus.
Yes
No
0
7
Fast Back-to-Back Capable.
A one (1) indicates an adapter can accept fast
back-to-back transactions. (
NOTE
: Hardwired
to zero (0).)
Yes
No
0
8
Master Data Parity Error Detected.
Set by the Reflective Memory acting as a
master when it detects a data parity error, if
parity error response bit is set.
Yes
Yes/Clr 0
10:9
DEVSEL# Timing.
Hardwired to Binary (10) Devsel# timing is slow
Yes
No
10
11
Target Abort.
When set to one (1), indicates the Reflective
Memory has signaled a Target Abort.
Writing a one (1) clears this bit to zero (0).
Yes
Yes/Clr 0
12
Received Target Abort.
When set to one (1), indicates the Reflective
Memory has received a Target Abort signal.
Writing a one (1) clears this bit to zero (0).
Yes
Yes/Clr 0
13
Received Master Abort.
When set to one (1), indicates the Reflective
Memory has received a Master Abort signal.
Writing a one (1) clears this bit to zero (0).
Yes
Yes/Clr 0
14
Signal System Error.
When set to one (1), indicates the Reflective
Memory has reported a system error on
SERR#.
Writing a one (1) clears this bit to zero (0).
Yes
Yes/Clr 0
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