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LXD9785 PQFP Demo Board with FPGA for SS-SMII (Fiber)-to-MII Conversion
20 Development Kit Manual
Document #: 249323
Revision #: 003
Rev. Date: January 24, 2002
Figure 5. Control
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
IN
IN
MDINT
JTAG PORT
2X4
MODE
1X8
MODE
REMOVE JP12
FOR 3.3V SD
INTERFACE
CONTROL A2
LXD9785 SS/SMII MII FX DV BOARD
B
318Wednesday, February 21, 2001
Title
Size Document Number Rev
Date: Sheet
of
MDC1_FIX
MDC0_FIX
TDI
REF_CLK_0
REF_CLK_1
TMS
TCK
TDO
TX_SYNC0
MDIO0_1
MDC0_1
MDIO1_1
MDC1_1
MDDIS
nRESET
TRST
ADD_0
MDIO1_FIX
MDIO1
TRST
TMS
ADD_1
TFIFO
MDINT1
MODESEL_1
TCK
TSLEW_0
ADD_3
PWRDWN
MDIO0_FIX
ADD_4
MDC0
TSLEW_1
MDC1
TDO
MDIO0
MDINT0
REF_CLK_0 ADD_2
REF_CLK_1
PAUSE
TDI
AMDIX_EN
TX_CLK0
RX_SYNC0
RX_CLK0
MDIX
SECTION
TX_CLK1
RX_CLK0
RX_SYNC
RX_CLK1
RX_SYNC0
RX_SYNC1
RX_CLK
TX_SYNC1
SECTION
SD_2P5V
SD_2P5V
SECTION
CFG_1
CFG_2
CFG_3
MODESEL_0
MDIO0_1
MDIO1_1
RX_SYNC
RX_CLK
nRESET
RX_SYNC1
RX_CLK1
MDC1_FIX
MDC0_FIX
MDIO0_FIX
MDIO1_FIX
SECTION
MDC0_1
MDC1_1
TX_SYNC0
TX_CLK0
TX_SYNC1
TX_CLK1
MDC0
MDC1
MDIO0
MDIO1
RX_SYNC1
RX_CLK1
REF_CLK_014
REF_CLK_114
MDIO0_1 4
MDIO1_1 6
RX_CLK 13,16
RX_SYNC 13,16
nRESET 13
RX_CLK1 13,16
RX_SYNC1 13,16
MDIO1_FIX 18
MDIO0_FIX 17
MDC0_FIX 17
MDC1_FIX 18
SECTION 14
MDC0_14
MDC1_16
TX_CLK013,16
TX_SYNC013,16
TX_CLK113,16
TX_SYNC113,16
MDC017
MDC118
MDIO017
MDIO118
GND
GND
GND
GND
GND
GND
GND
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
GND
VCCIO
GND
VCC_PECL
GND
VCCIO
GND
VCCIO
JP19
R21
4.7K
U1L
LXT9785_SS/SMII
60
58
17
21
35
201
204
32
RX_CLK0(SS)
RX_SYNC0(SS)
RX_SYNC1(SS)
RX_CLK1(SS)
TXSYNC0(SS)
TX_CLK1(SS)
TXSYNC1(SS)
TX_CLK0(SS)
J2
RJ11
1
2
3
4
5
6
R23
10K
R558 45.3
TP1
1
R568 30.1 1%
D1 LED RD
R569 30.1 1%
R6 4.7K
R12 220
S4
SW-NO
2
1
3
J3
RJ11
1
2
3
4
5
6
TP5
1
R559 45.3
JP1
HEADER 3X1
1
2
3
+
C1
10uF
R11 100
JP4
HEADER 3X1
1
2
3
D2
LL4148
JP5
HEADER 3X1
1
2
3
R5
4.7K
S5
SW DIP-4
1
2
3
4
8
7
6
5
JP2
HEADER 3X1
1
2
3
R4
4.7K
R10
4.7K
U2F
74HC14
13 12
R3
4.7K
JP12
U2A
74HC14
1 2
U2E
74HC14
11 10
R725
4.7K
U2C
74HC14
5 6
R14
4.7K
S1
SW DIP-5
1
2
3
4
5
10
9
8
7
6
U2D
74HC14
9 8
JP15
HEADER 3X1
1
2
3
R16
4.7K
R8
4.7K
D155
LED
TP2
1
R7
4.7K
D156
LED
R15
4.7K
R26
4.7K
R610 220
R25
4.7K
U1I
LXT9785_SS/SMII
63
64
94
93
50
174
175
67
84
6
92
91
90
89
88
167
168
169
170
171
44
24
25
26
177
178
176
83
59
87
86
85
173
172
95
MDC0
MDIO0
TxSLEW_0
TxSLEW_1
PAUSE
PWRDWN
RESET
MDINT0
MDDIS
REFCLK1
ADD_0
ADD_1
ADD_2
ADD_3
ADD_4
TDI
TDO
TMS
TCK
TRST
REFCLK0
MDC1
MDIO1
MDINT1
MODESEL_0
MODESEL_1
SECTION
AMDIX_EN
MDIX
CFG_1
CFG_2
CFG_3
G_FX/TP
TFIFO
SD_2P5V
R9
4.7K
R611 220
R22
4.7K
JP3
HEADER 4X2
12
34
56
78
JP16
HEADER 3X1
1
2
3
D93 LED RD
R24
4.7K
R17
4.7K
R13 220
U2B
74HC14
3 4
S8
SW DIP-6
1
2
3
4
5
6
12
11
10
9
8
7
R19
4.7K
R18
4.7K
R726 4.7K
JP20
R20
4.7K