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LXD9785 PQFP Demo Board with FPGA for SS-SMII (Fiber)-to-MII Conversion
Development Kit Manual 35
Document #: 249323
Revision #: 003
Rev. Date: January 24, 2002
Figure 20. MDIO1 and MDC1 Fix
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
MDIO1 & MDC1 FIX A2
LXD9785 SS/SMII MII FX DV BOARD
B
18 18Wednesday, February 21, 2001
Title
Size Document Number Rev
Date: Sheet
of
MDC1_FIX
MDC1
PLD1_OE0
PLD1_OE1
PLD1_OE0
PLD1_OE1
MDC1
MDIO1_FIX
MDIO1_FIX
MDIO1
MDIO1
MDIO1_FIX
MDIO1
MDC1
MDIO1
PLD1_TDO
PLD1_TCK
PLD1_TMS
PLD1_TDI
PLD1_TDO
PLD1_TCK
PLD1_TMS
PLD1_TDI
MDC1_FIX
MDC1_FIX3
MDC1 3
MDIO1 3
MDIO1_FIX3
GND
GND
GND
GND
GND
GND
GND
GND
GND
VCC_EXT
GND
VCC_EXT
VCC_EXT
VCC_MDIO
VCC_MDIO
VCC_MDIO
R622
1K
R621
1K
R620
1K
R619
1K
U40
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
U41
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
U43
NC7SZ125M5
1
2
3 4
5
OE
A
GND Y
VCC
R616 50 1%
R617 50 1%
C358
0.1uF
U42
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
C357
0.01uF
R615 0 OHMS
C355
0.01uF
R729 0 OHMS
C356
0.1uF
R730 0 OHMS
R618 50 1%
R738
0 OHMS
R623 50 1%
C352
0.01uF
JP21
HEADER 5X2
12
34
56
78
910
C354
0.01uF
C353
0.01uF