STMicroelectronics SPC58NHADPT302S, User Manual

Page: 31 / 38

Figure 15. Ethernet interface
AVDDL_PLL
GND
GND
Differential
Pair
Differential
Pair
Differential
Pair
Differential
Pair
TRCT1
TRCT2
TRCT3
TRCT4
U9
HSP061-4M10Y
I/0 1
1
I/0 2
2
GND
3
I/0 3
4
I/0 4
5
NC1
6
NC2
7
GND
8
NC3
9
NC4
10
R74 180R
R73 180R
LD_GREEN
LD_GREEN
LD_YELLOW
LD_YELLOW
se si disabilita il LDO interno,
sostituire la 0R con ferrite
BLM21PG221SN1D
(strapping pins)
DVDDH
PH1
PORST
INT_N
DVDDH
PA13
R63
4K7
U19
JK0-0136NL
TRD1+
11
TRCT1
12
TRD1-
10
TRD2+
4
TRCT2
6
TRD2-
5
TRD3+
3
TRCT3
1
TRD3-
2
TRD4+
8
TRCT4
7
TRD4-
9
LD_YELLOW_C
16
LD_YELLOW_A
15
LD_GREEN_C
13
LD_GREEN_A
14
SH1
20
SH2
21
DVDDH
PA0
PH3
PE11
PH8
PH9
PH10
PH7
PH0
PA11
PA10
PH2
R54
0R
PE10
LED1
LED2
1.2V_ETH
PG15
Consider that all pins connected
statically to this device will not
available on the motherboard
connectors
50 Ω TRACE
50 Ω SAME LENGHT TRACE
LEGEND
AS SHORT AS POSSIBLE TRACE
NORMAL TRACE
1.2V_ETH
PH10
PH7
PH9
PH8
C110
100nF
50V
C111
100nF
50V
GND
C113
100nF
50V
GND
C112
100nF
50V
GND
TRCT2 TRCT1
GND
TRCT4 TRCT3
close the Eth
tranceiver
XO XI
XO
R50
10K
DVDDH
GND
R56
1K
DVDDH
GND
LDO_O
DVDDH
R52
10K
GND
Q2
FDT434P
TXRXM_B
TXRXP_B
R53
10K
DVDDH
GND
GND
GND_ETH
GND
TXRXM_A
TXRXP_A TXRXP_A
GND_ETH
TXRXP_B
TXRXM_B
TXRXM_A
R68
12K1
LED2
R65
10K
U10
HSP061-4M10Y
I/0 1
1
I/0 2
2
GND
3
I/0 3
4
I/0 4
5
NC1
6
NC2
7
GND
8
NC3
9
NC4
10
LED1
GND GND
R64
4K7
PE11 PH3
TXRXM_D
R51
DNM
10K
TXRXP_D
TXRXM_C
TXRXP_C
TXRXM_D
TXRXP_C
TXRXM_C
TXRXP_D
R55
DNM R57
DNM R58
DNM
1K
RX_CLK RX_DV
1K 1K
LED1 LED2
(strapping pins)
C84
47uF
10V
1206
GND
3.3V_SR AVDDH
C85
100nF
50V
L5
GND GND
C86
100nF
50V
C87
100nF
50V
GND
PIN47 PIN12 PIN1
+ C91
47uF
GND
C94
47uF
10V
1206
3.3V_SR DVDDH
C92
100nF
50V C95
100nF
50V
C93
10nF
50V
L6
GND
GND
C96
100nF
50V
GND
GND GND
C97
100nF
50V
PIN40 PIN34 PIN16
GND
TXRXP_A
AVDDH
TXRXP_A
AVDDH
TXRXM_A
AVDDH
R49
DNM
R59
0R
1.2V_ETH
ESD protection
C88
47uF
10V
1206
GND
AVDDL
C89
100nF
50V
TXRXP_B
GND
TXRXM_B
C90
100nF
50V
GND
TXRXP_B
TXRXM_B
PIN9 PIN4
TXRXP_C
Differential
Pairs
TXRXM_C
TXRXP_A
TXRXM_A
TXRXM_D
TXRXP_D
TXRXM_A
TXRXP_B
TXRXM_B
AVDDH
TXRXP_C
TXRXM_C
DVDDH
TP6
TXD0
TXRXP_D
TXRXM_D
GND
C98
47uF
10V
1206
AVDDL_PLL
TP7
C99
100nF
50V
TXD1
1.2V_ETH
TP8
L7
TXD3 TXD2
GND
TP9
PIN44
TXRXP_C
TXRXM_C
TP10
GTX_CLK
close the Eth
tranceiver
TP12
close the Eth
tranceiver
MDC
TP13
MDIO
INT_N
close the Eth
tranceiver
C100
10nF
50V
GND
C102
47uF
10V
1206
GND
1.2V_SR
DVDDL
C103
100nF
50V
L8
GND
C104
100nF
50V
GND
PIN18 PIN14
GND
TXRXM_D
TXRXP_D
TP27
TP11
GND
GND
C105
100nF
50V
GND
PIN23
C106
100nF
50V
GND
PIN26
GND
C107
100nF
50V
PIN30
GND
C108
100nF
50V
PIN39
Y3
25MHZ
1
1
2
2
3
3
4
4
GND
DVDDH
R60
10K
GND
FBEAD1
R66
DNM
XI
1K
GND_ETH
R61
10K
DVDDH
GND
R67
DNM
CF1 100nF
50V
1K
DVDDH
R69
10K
GND
R71
DNM
1K
Supply filters
DVDDH
R70
10K
GND
R72
DNM
1K
RXD0 RXD1
RXD3 RXD2
KSZ9031RNX
48-pin QFN
Paddle Ground
(bottom of chip)
U11
KSZ9031RNXIA
NC
13
LED2
15
DVDDH
16
LED1 / PME_N1
17
DVDDL
14
TXD0
19
TXD1
20
TXD2
21
TXD3
22
DVDDL
18
DVDDL
23
GTX_CLK
24
TX_EN
25
DVDDL
26
RXD3
27
VSS
29
DVDDL
30
RXD1
31
RXD0
32
RX_DV
33
DVDDH
34
RX_CLK
35
MDC
36
MDIO
37
INT_N /
PME_N2
38
DVDDL
39
DVDDH
40
CLK125_NDO
41
RESET_N
42
LDO_O
43
XO
45
XI
46
NC
47
ISET
48
AVDDH
1
TXRXP_A
2
TXRXM_A
3
TXRXP_B
5
TXRXM_B
6
TXRXP_C
7
TXRXM_C
8
TXRXP_D
10
TXRXM_D
11
AVDDH
12
RXD2
28
A
VDDL_PLL
44
P_GND
49
AVDDL
4
AVDDL
9
C101 22pF
R62
0R
C109 22pF
DVDDL
AVDDL
UM2725
-
Rev 1
page 31/38
UM2725
Schematic