User's Manual

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