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38
KC705 Evaluation Board
UG810 (v1.3) May 10, 2013
Chapter 1:
KC705 Evaluation Board Features
shows the connections and pin numbers for the M88E1111 PHY.
X-Ref Target - Figure 1-18
Figure 1-18:
Ethernet 125 MHz SGMII GTX Clock
GND_SGMIICLK
VDD_SGMIICLK
ICS844021I-01
Clock Generator
VDDA
GND_SGMIICLK
XTAL_IN
XTAL_OUT
VDD
1
2
3
5
7
6
U2
R134
1.0M
Ω
5%
Q0
4
8
NQ0
VDDA_SGMIICLK
C93
18pF 50V
NPO
C94
18pF 50V
NPO
C14
0.1
μ
F 25V
X5R
C15
0.1
μ
F 25V
X5R
SGMIICLK_XTAL_OUT
GND2
GND2
X2
X1
X3
25.00 MHz
SGMIICLK_Q0_P
SGMIICLK_Q0_N
SGMIICLK_Q0_C_P
SGMIICLK_Q0_C_N
SGMIICLK_XTAL_IN
GND_SGMIICLK
GND
OE
2
1
3
4
Table 1-18:
Ethernet PHY Connections
FPGA Pin
(U1)
Schematic
Net Name
M88E1111
(U37)
Pin Number
Pin Name
J21
PHY_MDIO
M1
MDIO
R23
PHY_MDC
L3
MDC
N30
PHY_INT
L1
INT_B
L20
PHY_RESET
K3
RESET_B
R30
PHY_CRS
B5
CRS
W19
PHY_COL
B6
COL
U27
PHY_RXCLK
C1
RXCLK
V26
PHY_RXER
D2
RXER
R28
PHY_REXCTL_
RXDV
B1
RXDV
U30
PHY_RXD0
B2
RXD0
U25
PHY_RXD1
D3
RXD1
T25
PHY_RXD2
C3
RXD2
U28
PHY_RXD3
B3
RXD3
U27
PHY_RXD4
C4
RXD4
T27
PHY_RXD5
A1
RXD5
T26
PHY_RXD6
A2
RXD6
T28
PHY_RXD7
C5
RXD7
K30
PHY_TXC_GTX
CLK
E2
GTXCLK
M28
PHY_TXCLK
D1
TXCLK