68
VC707 Evaluation Board
UG885 (v1.2) February 1, 2013
Chapter 1:
VC707 Evaluation Board Features
defines the voltage and current values for each power rail controlled by the
UCD9248 PMBus controller at address 52 (U42).
defines the voltage and current values for each power rail controlled by the
UCD9248 PMBus controller at address 53 (U43).
Table 1-30:
Power Rail Specifications for UCD9248 PMBus Controller at Address 52
Shutdown Threshold
Rail
Number
Rail
Name
Schematic
Rail Name
No
min
a
l V
OUT
(V)
PG
O
n
T
h
resh
old
(V)
PG
O
ff
Thresh
old
(V)
On De
la
y (ms)
Rise
Tim
e
(m
s)
Off Dela
y
(ms)
F
a
ll T
ime (
m
s)
V
OUT
Over F
a
ult (V)
I
OUT
Over F
a
ult (A)
T
e
mp
Over F
a
u
lt (°
C)
1
Rail #1
VCCINT_FPGA
1
0.9
0.85
0
5
10
1
1.15
20
90
2
Rail #2
VCCAUX
1.8
1.62
1.53
0
5
5
1
2.07
10.41
90
3
Rail #3
VCC3V3
3.3
2.97
2.805
0
5
4
1
3.795
10.41
90
4
Rail #4
VADJ
1.8
1.62
1.53
0
5
3
1
2.07
10.41
90
Notes:
1. The values defined in these columns are the voltage, current, and temperature thresholds that cause the regulator to shut down if
the value is exceeded.
Table 1-31:
Power Rail Specifications for UCD9248 PMBus Controller at Address 53
Shutdown Threshold
Rail
Number
Rail
Name
Schematic
Rail Name
No
m
ina
l V
OU
T
(V)
PG
On
Th
re
s
h
o
ld (
V
)
PG
O
ff
Th
re
sho
ld (V)
On D
e
la
y (ms)
R
ise Tim
e
(m
s)
Off Dela
y (m
s)
F
a
ll T
ime (
m
s)
V
OUT
O
ver F
a
ul
t (V)
I
OUT
Over F
a
ult (A)
Te
m
p
O
v
e
r
F
a
u
lt
(
°C
)
1
Rail #1
VCC2V5_FPGA
2.5
2.25
2.125
0
5
1
1
2.875
10.41
90
2
Rail #2
VCC1V5
1.5
1.35
1.275
0
5
0
1
1.725
10.41
90
3
Rail #3
MGTAVCC
1
0.9
0.85
0
5
7
1
1.45
10.41
90
4
Rail #4
MGTAVTT
1.2
1.08
1.02
0
5
8
1
1.38
10.41
90
Notes:
1. The values defined in these columns are the voltage, current, and temperature thresholds that causes the regulator to shut down if
the value is exceeded.
