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LXD9785 PQFP Demo Board with FPGA for SS-SMII (Fiber)-to-MII Conversion
34 Development Kit Manual
Document #: 249323
Revision #: 003
Rev. Date: January 24, 2002
Figure 19. MDIO0 and MDC0 Fix
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
DO NOT INSTALL R614
MDIO0 & MDC0 FIX A2
LXD9785 SS/SMII MII FX DV BOARD
B
17 18Wednesday, February 21, 2001
Title
Size Document Number Rev
Date: Sheet
of
MDC0_FIX
MDC0
PLD0_OE0
PLD0_OE1
PLD0_OE0
PLD0_OE1
MDC0
MDIO0_FIX
MDIO0
MDIO0
MDIO0_FIX
MDIO0
MDC0
MDIO0
PLD0_TDO
PLD0_TCK
PLD0_TMS
PLD0_TDI
PLD0_TDO
PLD0_TCK
PLD0_TMS
PLD0_TDI
MDC0_FIX
MDIO0_FIX
MDC0_FIX3
MDC0 3
MDIO0 3
MDIO0_FIX3
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC_EXT
GND
VCC_EXT
VCC_EXT
VCC_FPGA
VCC_MDIO
VCC_MDIO
VCC_MDIO
VCC_MDIO
GND
U34
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
U35
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
U37
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
R574 0 OHMS
R576 50 1%
R581 50 1%
C264
0.1uF
C263
0.01uF
JP10
C261
0.01uF
R573
0 OHMS
C262
0.1uF
R614
0 OHMS
R575 50 1%
U36
EPM7032AETC44-4
1
4
7
9
17
18
20
24
26
29
32
36
37
38
39
40
41
42
16
TDI
GNDIO
TMS
VCCIO
VCCINT
OUT_ENABLE1
OUT_ENABLE0
GNDIO
TCK
VCCIO
TDO
GNDINT
MDC
INPUT1
INPUT2
INPUT3
VCCINT
MDIO
GNDINT
R582 50 1%
R728
0 OHMS
C266
0.01uF
R727 0 OHMS
JP11
HEADER 5X2
12
34
56
78
910
R737 0 OHMS
C260
0.01uF
C267
0.01uF
R580
1K
R579
1K
R578
1K
R577
1K
FB10
Ferrite Bead