RadiSys EPS-6315, Hardware Reference Manual, Page: 105 / 123

Appendix G: Carrier card design
95
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
PCI - PCI Bridge
DESIGN NOTES - Bridge:
7ns Skew max. PCLK to SCLK.
DESIGN NOTES -$SPCI Bus:
1
156
P
ri
m
ar
y
s
ide P
C
I s
ignal
s
ar
e p
u
lle
d
u
p
o
n
t
h
e
c
e
n
tr
a
l r
e
s
o
u
rc
e
page.
1
.
2
n
s
(
~
1
3
")
s
k
e
w
m
ax PCLK to SCLK (at the input, when using the SCLK_O outputs of the
bridge which take a prop delay of 0-5ns). 2
.
P
la
c
e
s
e
ri
es resistors for $SPCI.CLKn close to P2P Bridge.
3
.
T
ra
c
e
l
e
n
g
th
s
f
rom P2P Bridge through resistor to $SPCI.CLKn pins must be matched
within 0.020". 4
.
T
h
e
wrap around $SPCI.CLKx to P2P SCLK_IN pin must be 1ns (~6.8") longer than the
other clocks. (cPCI general rule.) 5.
Gr
o
undi
ng ~
S
_C
F
N
e
na
bl
e
s
central resource functions. The app note says to ground it
through a 100 ohm resistor to enable the internal arbiter. 6
.
F
o
r
C
F
G
<
2
:0> input signals, place traces on outside layers.
7
. N
o
te
t
h
a
t i
f t
h
e
P
2
P
b
ri
d
g
e
i
s
i
n
s
talled
into
a
non-system
slot,
the
output
GNT0#
becmes
a
b
u
s
r
e
q
u
e
s
t
output while the input REQ0# becomes a bus grant input (to an external
arbiter). 8. REQ lines need pullups - P2P: 1K 9
.
C
o
n
n
e
c
ti
n
g
P
_
V
IO
t
o
V
C
C
a
llows interface with 5V or 3.3V primary PCI bus signals.
In
te
l
h
as eratta indicating this should be 5V for their part.
1
0
.
G
P
IO
[2
:0
]
s
ig
n
a
ls are available for use as inputs when ~S_RST is not low.
1
1. Place 5 pin tick marks on the silkscreen.
104
P
C
I2050
53
Place one GN
D
n
ex
t t
o
PCLK and one n
ex
t t
o
SCLK
.
208
1. Clock routing: - all equal length, -
o
n
i
n
s
ide layers w/ 3x width spacing to adjacent trace,
-
n
e
e
d
s
e
ries resistor next to the clock driver.
2
.
N
e
e
d series resistor on GNT# signals and pullups on REQ# signals.
*
E
rr
ata: 2.74K
pul
lu
p
re
sist
o
rs t
o
VI
O
o
n
ar
bi
tr
ati
on s
ignal
s
.
PCI-PCI Bridg
e
Hillsboro, Oregon
HobbitTest
C
:\
M
Y
D
O
C
S
\P
R
O
J
E
C
T
S
\P
R
P
M
C
\H
OBBI
T
T
EST
\H
OBBI
T
T
EST
.D
SN
C Monday, June 24, 200
2
T
H
-1025-00
69
www.radisys.com
0
<Variant Name>
/
Page Title: Schematic Title:
R
a
d
iS
ys
C
onfidential
Doc Number: Size: Date:
Sheet
of
Sheet Rev:
Hierarchy Path:
$SPCI:~GNT6 $SPCI:~REQ7
$SPCI:~STOP
$PCI:AD30 $PCI:AD8 $PCI:AD4 $PCI:AD11
$PCI:AD[0..31]
C6
$PCI:AD18
~R SEN
$SPCI:~SERR
$PCI:AD27 $PCI:AD22
PVIO
$P2P:GPIO0
$PCI:AD25 $PCI:AD28
MS
K
CPCI:CLK7
$SPCI:~PERR
$PCI:AD17
$SPCI:~REQ4
$SPCI:~IRDY
P2P:T DO
$PCI:C/~BE3
$SPCI:~LOCK
$PCI:AD31 $PCI:AD26
$P2P:GPIO2
$PCI:C/~BE0 $PCI:AD9
$PCI:AD27
$SPCI:~REQ5
$SPCI:~DEVSEL
$PCI:AD24
~SG5
$PCI:AD1
C0 ~SG6
TMS
$PCI:AD2 $PCI:AD29
~SG4
$SPCI:~TRDY
$SPCI:~RST
$SPCI:~REQ3
$PCI:AD12
C1
$SPCI:~GNT2
$PCI:C/~BE2 $PCI:AD0
$P2P:GPIO1
$SPCI:~SYSENR
$PCI:AD14
~SG2
$PCI:AD10
~TRST
~SG0
$SPCI:~GNT4 $SPCI:~GNT3
$SPCI:AD0
~SG3
$SPCI:~REQ8 $SPCI:~REQ1 $SPCI:~GNT1
$PCI:AD13 $PCI:AD7
C3
$SPCI:~GNT5
C2
$PCI:AD21
$SPCI:~REQ6
$PCI:AD5
$PCI:C/~BE[0..3]
$SPCI:AD[0..31]
~SG1
$PCI:AD23
C4
$PCI:C/~BE1 $PCI:AD16
C5
$PCI:AD19 $PCI:AD3
$SPCI:~GNT7
$P2P:IDSEL $PCI:AD15 $PCI:AD6 $PCI:AD20
$SPCI:~FRAME
$P2P:GPIO3
TDI
C7
TCK
$SPCI:AD1 $SPCI:AD2 $SPCI:AD3 $SPCI:AD4 $SPCI:AD5 $SPCI:AD6 $SPCI:AD7 $SPCI:AD8 $SPCI:AD9 $SPCI:AD10 $SPCI:AD11 $SPCI:AD12 $SPCI:AD13 $SPCI:AD14 $SPCI:AD15 $SPCI:AD16 $SPCI:AD17 $SPCI:AD18 $SPCI:AD19 $SPCI:AD20 $SPCI:AD21 $SPCI:AD22 $SPCI:AD23 $SPCI:AD24 $SPCI:AD25 $SPCI:AD26 $SPCI:AD27 $SPCI:AD28 $SPCI:AD29 $SPCI:AD30 $SPCI:AD31
$CLK:SPCI7
$SPCI:~GNT8 $SPCI:~REQ2
$SPCI:~LOCK
$CLK:SPCI1 $CLK:SPCI2 $CLK:SPCI3 $CLK:SPCI4 $CLK:SPCI5 $CLK:SPCI6
~SG7 ~SG8
$PCI:AD[0..31]
2,3,4,5
$PCI:~GNT4
8
$PCI:~RST
2,3,4,5,8,9
$PCI:~FRAME
2,3,4,5,8
$PCI:~STOP
2,3,4,5,8
$PCI:~DEVSEL
2,3,4,5,8
$PCI:~SERR
2,3,4,5,8
$CLK:PCI4
8
$PCI:C/~BE[0..3]
2,3,4,5
$PCI:~IRDY
2,3,4,5,8
$PCI:PAR
2,3,4,5
$PCI:~TRDY
2,3,4,5,8
$PCI:~PERR
2,3,4,5,8
$PCI:~LOCK
2,3,4,8
$PCI:~REQ4
8
$SPCI:~GNT0
7
$SPCI:C/~BE0
7
$SPCI:PAR
7
$SPCI:~IRDY
7
$SPCI:~TRDY
7
$SPCI:~DEVSEL
7
$SPCI:~STOP
7
$SPCI:~PERR
7
$SPCI:~SERR
7
$SPCI:~RST
7
$CLK:SPCI0
7
$SPCI:~REQ0
7
$SPCI:~FRAME
7
$SPCI:C/~BE1
7
$SPCI:C/~BE2
7
$SPCI:C/~BE3
7
$SPCI:AD[0..31]
7
SVIO
7
$SPCI:~LOCK
7
+3.3
+3.3
VCC
+3.3
+3.3
+3.3
VCC
+3.3
+3.3
+3.3 +3.3 +3.3 +3.3 +3.3 +3.3
+3.3 +3.3
E30
R102
R254
R114
R137
R117
49.9
E17
C148 060
3
0.1UF
R157
0
0603
R139
R116
R98
C149 0603 0.1UF
R123
4.75K
R120
R115
R136
R96
0603 49.9
R140
0 0603
R105
4.75K
R97
0603 49.9
E2
8
R126
060
3
49.9
C158 060
3
0.1UF
R99
R93
R106
4.75K
E2
7
R113
R104
4.75K
C112 060
3
0.1UF
R159 221 060
3
C120 0603 0.1UF
E1
5
R151
C154 060
3
0.1UF
R121
33.2 060
3
C124 060
3
0.1UF
E1
4
R101
C153 060
3
0.1UF
C104 0603 0.1UF
PCI2050
U9
75-2009-0
0
2050PDV PQFP208
122 121 119 118 116 115 113 112 109 107 101
99 98 96 95 93 77 76 74 73 71 70 68 67 63 61 60 58 57 55 50 49
110
92 79 64 90 80 82 83 84 85 87 65 88 89 47 46 43 45 21
126 124 135 125 153 102 129 132 133 134 127 128
137 138 140 141 143 144 146 147 150 152 154 159 161 162 164 165 182 183 185 186 188 189 191 192 195 197 198 200 201 203 204 206 149 167 180 194 168 179 177 176 175 173 172 171 169 207 10 2 11 3 13 4 14 5 15 6 16 7 17 8 18 9 19 23
28 27 25 24
22 29 30 32 33 35 36 38 39 41 42 130
1
26
34
40
51
53
56
62
69
75
81
91
97
103
105
108
114
120
131
139
145
151
155
157
163
170
178
184
190
196
202
208
12
20
31
37
44
48
52
54
59
66
72
78
86
94
100
104
106
111
117
123
136
142
148
156
158
160
166
174
181
187
193
199
205
P_AD0 P_AD1 P_AD2 P_AD3 P_AD4 P_AD5 P_AD6 P_AD7 P_AD8 P_AD9 P_AD10 P_AD11 P_AD12 P_AD13 P_AD14 P_AD15 P_AD16 P_AD17 P_AD18 P_AD19 P_AD20 P_AD21 P_AD22 P_AD23 P_AD24 P_AD25 P_AD26 P_AD27 P_AD28 P_AD29 P_AD30 P_AD31 P_C/~BE0 P_C/~BE1 P_C/~BE2 P_C/~BE3 P_PAR ~P_FRAME ~P_IRDY ~P_TRDY ~P_DEVSEL ~P_STOP ~P_LOCK ~P_IDSEL ~P_PERR ~P_SERR ~P_REQ ~P_GNT ~P_RST P_CLK S_CLK MSK_IN P_VCCP S_VCCP NC_125 S_M66ENA NC_102 TDI TMS TCK ~TRST ~HSENUM ~HSLED
S_AD0 S_AD1 S_AD2 S_AD3 S_AD4 S_AD5 S_AD6 S_AD7 S_AD8 S_AD9
S_AD10 S_AD11 S_AD12 S_AD13 S_AD14 S_AD15 S_AD16 S_AD17 S_AD18 S_AD19 S_AD20 S_AD21 S_AD22 S_AD23 S_AD24 S_AD25 S_AD26 S_AD27 S_AD28 S_AD29 S_AD30 S_AD31
S_C/~BE0 S_C/~BE1 S_C/~BE2 S_C/~BE3
S_PAR
~S_FRAME
~S_IRDY
~S_TRDY
~S_DEVSEL
~S_STOP ~S_LOCK ~S_PERR ~S_SERR ~S_REQ0
~S_GNT0
~S_REQ1
~S_GNT1
~S_REQ2
~S_GNT2
~S_REQ3
~S_GNT3
~S_REQ4
~S_GNT4
~S_REQ5
~S_GNT5
~S_REQ6
~S_GNT6
~S_REQ7
~S_GNT7
~S_REQ8
~S_GNT8
~S_CFN
GPIO0 GPIO1 GPIO2 ~HSSWITCH/GPIO3
~S_RST
S_CLKOUT0 S_CLKOUT1 S_CLKOUT2 S_CLKOUT3 S_CLKOUT4 S_CLKOUT5 S_CLKOUT6 S_CLKOUT7 S_CLKOUT8 S_CLKOUT9
TDO
VCC_ 1
VCC _26
VCC _34
VCC _40
VCC _51
VCC _53
VCC _56
VCC _62
VCC _69
VCC _75
VCC _81
VCC _91
VCC _97
VCC _103
VCC _105
VCC _108
VCC _114
VCC _120
VCC _131
VCC _139
VCC _145
VCC _151
MS0
VCC _157
VCC _163
VCC _170
VCC _178
VCC _184
VCC _190
VCC _196
VCC _202
VCC _208
GND _12
GND _20
GND _31
GND _37
BPCCE
GND _48
GND _52
GND _54
GND _59
GND _66
GND _72
GND _78
GND _86
GND _94
GND _100
GND _104
MS1
GND _111
GND _117
GND _123
GND _136
GND _142
GND _148
GND _156
GND _158
GND _160
GND _166
GND _174
GND _181
GND _187
GND _193
GND _199
GND _205
R122
4.75K
R119
E13
C135 1206 1UF
R225
R107
4.75K
R229
E2
6
R232
R158
0
DNI
R160 4.75K 060
3
E1
R257
R161 4.75K 060
3
E31
C105 120
6
1UF
C160 0603 1000PF
R155 4.75K 060
3
C107 0603 0.1UF
C115 0603 0.1UF
C155 0603 1000PF
E88
R103
4.75K 060
3
R124
4.75K
E16
R156 4.75K 060
3
E2
R262
1K 060
3
C106 060
3
0.1UF
E19 E18
E3
C136 0603 0.1UF
R253
C156 0603 0.1UF
R100
E29
R95
R230
R138
4.75K 0603
R118
R94