User's Manual

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