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EN-22
ISSUE
DRAWING NO.
DRAWING TITLE
DATE
Filename:
ECO No. DESCRIPTION OF CHANGE
L288 CT3 Net.SchDoc
AMP024 Network
Contact Engineer:
L288CT
16/12/2020
INITIALS
Printed:
3 4 Sheet of
Notes:
Contact Tel: (01223) 203207 Peter Kuell
A & R Cambridge Ltd.
Pembroke Avenue
Cambridge CB25 9QR
Waterbeach
A3
ARCAM
USB_N
USB_P
USB VBUS
DGND
+3V3 ETH
0W063
R223
2K2
0W063
R222
2K2
DGND
+3V3 ETH
0W
06
3
R
20
0
49
R
9
0W
06
3
R
20
1
49
R
9
0W
06
3
R
20
2
49
R
9
0W
06
3
R
20
3
49
R
9
RX_N
RX_P
TX_N
TX_P
RED
LED200
0603
+3V3 ETH
RED
LED201
0603
RED
LED202
0603
0W063
R210
2K2
0W063
R216
2K2
0W063
R219
2K2
+3V3 ETH
LINK LED
ACT LED
SPEED LED
50V
C213
100N
50V
C214
100N
50V
C215
100N
DGND
50V
C208
100N
50V
C209
100N
50V
C210
100N
6.3V
C211
10UF
DGND
PFOUT
TX CLK
1
TX EN
2
TXD0
3
TXD1
4
TXD2
5
TXD3/SNI MODE
6
PWR DOWN/INT
7
RD-
13
RD+
14
TD-
16
TD+
17
25MHz OUT
25
LED ACT/COL/AN EN
26
LED SPEED/AN1
27
LED LINK/AN0
28
RESETN
29
MDIO
30
MDC
31
X2
33
X1
34
RX CLK
38
RX DV/MII MODE
39
CRS/CRS DV/LED CFG
40
RX ER/MDIX EN
41
COL/PHY AD0
42
RXD0/PHY AD1
43
RXD1/PHY AD2
44
RXD2/PHY AD3
45
RXD3/PHY AD4
46
IC200A
DP83848CVVX/NOPB
RESERVED
8
RESERVED
9
RESERVED
10
RESERVED
11
RESERVED
12
AGND
15
AGND
19
RESERVED
20
RESERVED
21
AVDD33
22
IOVDD33
32
IOGND
35
DGND
36
IOGND
47
IOVDD33
48
PFBIN1
18
PFBOUT
23
PFBIN2
37
RBIAS
24
IC200B
DP83848CVVX/NOPB
0W063
R224
560R
0W063
R225
4K3
DGND
0W063
R214
1K5
+3V3 ETH
NET INT
0W063
R205
33R
0W063
R206
33R
0W063
R209
33R
DGND
TX EN
TX D0
TX D1
0W063
R211
33R
0W063
R213
33R
RX D0
RX D1
RX ER
CRS DV
0W063 R215
2K2
+3V3 ETH
MDC
MDIO
0W063
R218
1K5
+3V3 ETH
50V
C204
100N
+3V3 ETH
DGND
DGND
REF CLK
TX EN
TX D0
TX D1
RX D0
RX D1
RX ER
MDC
MDIO
USB_N
USB_P
CRS DV
REF CLK
NET INT
VBUS EN
VBUS EN
M200
FDN340P USB VBUS
0W063
R221
47K
TR200
MMUN2211LT1
DGND
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
G
N
D
15
V
C
C
16
STATIC PROTECTED
SO16 WIDE
IC201
MAX3232ECWE
50V
C216 100N
50V
C218 100N
50V
C217 100N
50V
C219 100N
DGND
DGND
50V
C212
100N
DGND
L206
220R@100MHz
TX 232
RX 232 RS232 RX
RS232 TX
RS232 TX
RS232 RX
+3V3 MCU
+3V3 MCU
50V
NPO
C221
22P
50V
NPO
C222
22P
DGND
RS232
ETHERNET
USB
0W063
R212
560R
0W063
R217
560R
0W063
R220
560R
DGND
D
20
0
P
E
S
D
5V
0U
1B
B
D
20
1
P
E
S
D
5V
0U
1B
B
D
20
2
P
E
S
D
5V
0U
1B
B
D
20
3
P
E
S
D
5V
0U
1B
B
16V
C200
100N
16V
C201
100N
+3V3 ETH
GND
1
IO1
2
IO2
3
VCC
4
IC202
TPD2E001DZDR
50V
C220
100N
DGND
USB VBUS
+3V3 ETH
50V
C207
100N
DGND
50V
NPO
C206
22P
DGND
G
N
D
2
O/P
3
V
C
C
4
EN
1
X200
50MHz
1
2
3
4
5
6
7
8
9
DSB
CON202
ZH
E
J
IA
N
G
J
IN
J
IA
E
LE
C
TR
O
N
IC
S
C
o
LT
D
1
2
3
4
5 6
7 8
5075AUR-04
CON201
Neltron
DGND
CH GND
CH GND
0W125
R204
0R0
0W125
R207
0R0
DGND
CH GND
NF
DGND
1
3 4
2
L202
2200R @ 100MHz
1
3 4
2
L204
2200R @ 100MHz
16V
C202
100N
16V
C203
100N
DGND
16V
C205
100N
CH GND
0W125
R208
0R0
NF
L205
220R@100MHz
50V
C224
33P
50V
C225
33P
DGND
R
X
D
0
R
X
D
1
50V
C223
33P
DGND
600mA
L201
120R@100MHz
600mA
L203
120R@100MHz
2A
L200
330R@100MHz
50V
C226
100N NF
+3V3 ETH
6.3V
C228
10UF
50V
C229
33P
DGND
50V
C227
10N
+5V STBY
RXIN_N
RXIN_P
TXIN_N
TXIN_P
16V
C230
470UF
50V
C231
10N
50V
C232
10N
50V
C233
10N
M201
FDN340P
TR201
MMUN2211LT1
DGND
DGND
NET PSU EN
+3V3 STBY
0W063
R226
10K
6.3V
C235
10UF
NET PSU EN
+3V3 ETH
2A
L207
330R@100MHz
50V
C234
100N DGND
+3V3 ETH
+3V3 ETH
+3V3 ETH
P204
P205
P206
P211
P214
P217
P223
P225
P222
P224
P207
P208
P209
P210
P212
P213
P215
P216
P202
P201
P200
P203
P221
P218
P219
P220
P226
P231 P230
P229
P227
P228
P233
P234
P238
P236
P235
P237
P239
P240
P232
P242
P243
P241
P
24
5
P244
19_E007 JH 12/02/2019 G.0 No changes to this sheet
TXP
1
TXC
4
TXN
2
RXP
3
RXC
5
RXN
6
CH
8
S
C
R
N
1
S
C
R
N
2
TM111B01GX1
CON200
Tian Mu Elec
19_E027 PK 17/04/19 1.0 Fit 33pF caps on RMII signals, add 120pF to XTAL, PA SHORT moved
DGND
50V
C236
120P
19_E040 PK 02/12/19 2.0 PCB change only
20_E038 PK 08/09/20 2.1 None to this sheet
20_E050 PK 16/12/20 3.0 None to this sheet