A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
LED4/PHYAD4
LED0/PHYAD0
GNDGND
GNDGND
CH_GND
GND
GND
GND
GND
GND GND
GND
VDD33
GND
PWFBOUT
PWFBOUT
GND
GND
LED4/PHYAD4
LED0/PHYAD0
MDC PWFBOUT
MDIO AVDD33
LED1/PHYAD1
TXCLK
TXEN
RXD1
GND
LED3/PHYAD3
LED1/PHYAD1
RXCLK
RXDV
LED2/PHYAD2
PWFBIN
LED3/PHYAD3
TXD3
VDD33
VDD33
LED2/PHYAD2
CRS
RXD3
RXD0
RXD2
TXD2
TXD1
TXD0
RXER
GND
GND
GND
GND
GND
COL
AVDD33
COL
VDD33
GND
GND
GND
RXER
GND
GND
CRS
PWFBOUT
PWFBOUT
PCI_Reset
PWFBIN
PWFBIN
VDD33
5VDD VDD33
VDD33
VDD33
VDD33
VDD33
VDD33
Title
Size Document Number Rev
Date: Sheet
of
RTL8201BL/CL/CP MII 1.5
RTL8201BL/CL/CP application circuit - interface with MAC(MII)
B
11Thursday, November 26, 2009
Title
Size Document Number Rev
Date: Sheet
of
RTL8201BL/CL/CP MII 1.5
RTL8201BL/CL/CP application circuit - interface with MAC(MII)
B
11Thursday, November 26, 2009
Title
Size Document Number Rev
Date: Sheet
of
RTL8201BL/CL/CP MII 1.5
RTL8201BL/CL/CP application circuit - interface with MAC(MII)
B
11Thursday, November 26, 2009
LED0 LED1 LED2 LED3 LED4
Link Dupx 10Act 100Act COL
for EMI supression
(CONNECT TO CHASSIS GND)
RTL8201BL /
RTL8201CL /
RTL8201CP
Hardwire Configuration network:
1. This configuration shows
Enable: Auto negotiation, Full duplex, 100Mbps,
Link Down Power Saving, MII interface
Disable: Isolate, Repeater mode
2. These seven configuration pins could be connected to VDD
or GND directly.
Place C14, C15, L1 close to PWFBOUT and place C16
close to PWFBIN.
U1/pin14 U1/pin48
Place L2, C17, C18, C19 as close to each power pin
as possible.
1. You could simply connect RESETB to PCI
Reset. And just discard R30, R28, C20.
2. If Wake on Lan feature is needed, you have
to supply power from auxiliary power for all
LAN-related circuit including RTL8201BL/CL/CP
and MAC. In this kind of application, discard
R29 and retain other components for one
resetting upon power up.
This schematic sets PHY address to 00001b.
You could set PHY address from 00001b to 11111b.
But the LED polarity must matchs the respective
PHYAD setting. Refer to datasheet's detailed
description.
RTL8201BL : R19(NC)
RTL8201BL : R6(NC); C10(NC)
RTL8201CL/CP : R6(0 ohm); C10(0.1uF)
RTL8201CL/CP : R19(0 ohm)
RTL8201BL : R5 (5.9K 1%)
RTL8201CL/RTL8201CP : R5 (2K 1%)
Connect to MAC
which has MII
interface
R27 is reserved for
8201CL/CP LED Mode
Change to compatible
with BL
R34 is reserved for
ensuring 8201BL/CL/CP
latch to UTP Mode.
R35 is reserved for
ensuring 8201CL/CP
latch to normal
operation mode.
U2
1
2
3
7
8
6
9
10
11
14
15
16
RD+
RD-
RX+
RX-
TD+
TD- TX-
TX+
RDCT
TDCT TXCT
RXCT
YL18-2050S
Reference Transformer Part No. list
YL18-2050S
YuTai Electronics Co.,LTD
TEL:86-574-63620701,63621610
http;//www.yutai-elec.com
EMAIL
：
nico_yu@yeah.net
C9
0.01U/3KV
C9
0.01U/3KV
R26
5.1K
R26
5.1K
C18
0.1U
C18
0.1U
R29
0
R29
0
C20
0.1U
C20
0.1U
C10
0.1U
C10
0.1U
R1
50(1%)
R1
50(1%)
R2
50(1%)
R2
50(1%)
C12
0.1U
C12
0.1U
R30
0
R30
0
R35
5.1K
R35
5.1K
C1
0.1U
C1
0.1U
R9
75
R9
75
R23
510
R23
510
R16
5.1K
R16
5.1K
C13
22U
C13
22U
R6
0
R6
0
R20
5.1K
R20
5.1K
R12
5.1K
R12
5.1K
R4
50(1%)
R4
50(1%)
C2
0.1U
C2
0.1U
R18
5.1K
R18
5.1K
R15
5.1K
R15
5.1K
U4
LM1117
U4
LM1117
INPUT
3
OUTPUT
2
ADJ/GND
1
R24
5.1K
R24
5.1K
R31
1.5K
R31
1.5K
R11
5.1K
R11
5.1K
C3
0.1U
C3
0.1U
C8
0.1U
C8
0.1U
R7
75
R7
75
R14
5.1K
R14
5.1K
C14
22U
C14
22U
R5R5
D2
LED
D2
LED
C4
0.1U
C4
0.1U
R3
50(1%)
R3
50(1%)
R34
5.1K
R34
5.1K
C5
20P
C5
20P
R13
5.1K
R13
5.1K
C15
0.1U
C15
0.1U
R25
510
R25
510
C17
0.1U
C17
0.1U
R8
75
R8
75
R19
0
R19
0
R27
5.1K
R27
5.1K
C6
20P
C6
20P
R22
5.1K
R22
5.1K
U1
LQFP48
U1
LQFP48
MDC
25
MDIO
26
TXD0
6
TXD1
5
TXD2
4
TXD3
3
TXEN
2
TXC
7
RXDV
22
RXD0
21
RXD1
20
RXD2
19
RXD3
18
RXC
16
COL
1
CRS
23
X1
46
X2
47
LED0/PHYAD0
9
LED1/PHYAD1
10
LED2/PHYAD2
12
LED3/PHYAD3
13
LED4/PHYAD4
15
PWFBIN
8
DVDD33
14
DGND
11
DGND
17
PWFBOUT
32
AVDD33
36
DVDD33
48
AGND
29
AGND
35
DGND
45
RXER/FXEN
24
NC
27
TPTX+
34
TPTX-
33
TPRX-
30
TPRX+
31
RTSET
28
ISOLATE
43
RPTR
40
RESETB
42
SPEED
39
DUPLEX
38
ANE
37
LDPS
41
MII/SNIB/RTT3
44
R17
5.1K
R17
5.1K
L2
BEAD
L2
BEAD
U3
RJ8-45
U3
RJ8-45
TX+
1
TX-
2
RX+
3
N/C
4
N/C
5
RX-
6
N/C
7
N/C
8
GND
9
Y1
25.000Mhz
Y1
25.000Mhz
R21
510
R21
510
C16
0.1U
C16
0.1U
D3
LED
D3
LED
R10
75
R10
75
R28
5.1K
R28
5.1K
D4
LED
D4
LED
C19
0.1U
C19
0.1U
L1
BEAD
L1
BEAD
LSX2010PMAC
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