Publication No. HRMCR11 Rev. B.0
About This Manual 81
Appendix B
Electrical characteristics
PCI Mezzanine Card (PMC)
The PCI
M
ezzanine Card
(
PMC) Interface is an additional slot for parallel
mounted add on car
ds
.
The interface is compliant to the IEEE 13 86
.
1
specification and is based on the electrical and logical layer of the PCI
spec
i
fication
.
Check for possible height incompatibility in 'F ea.tu
r
es
'
and
'
Specifications
'
sections of this manual. PMC Slot! is 66
/
1
0
0
/
133 MHz PCI-X
capable
.
P
M
C Slot 2 is 33 MHz/32 bit only
.
The user definable 1/0 Pins are
connected to the rear IO cow1ector on the CR!
I,
as defined in the PIC
M
G
2.3
spec
i
fication
.
•
A 5 V key is mow1ted on PMC2, for 5 V compatible PMC cards
.
•
A 3 V key is mow1ted on PMC!, for 3 V compatible PMC cards
.
Table 50: Electrical characteristics
Parameter
Value
I3.3V
2
.
1 A'
ISV
1.2 A'
I
+
!
2V
0
.
1 A
0
.
1 A
3.3 V or 5 V
I-12V'
V
(I/
0
)
b
P
Comment
M
ax
.
current on 3.3 V Pins
Max. current on 5 V Pins
M
ax
.
current on + I
2
V Pin
M
ax
.
current on -12 V Pin
Voltage for PCI IO
Max. power consmnption total
7.5 W
a) -12 V must be cow
1
ect
e
d to the backplane
b) TI1e appropriate key has to be mounted
c) Total power dissipation on the 3.3 V and 5 V rails is 7
.
5 W
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