5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
EEDO
LEDB
TXD2
A9
SD8
SD15
LCLK
IOR~
LEDA
CRS
A8
SD14
DATACS~
nCNTRL
MDC
LNK#
SD4
SD13
W/R~
RXD1
RXD3
SD0
SRDY~
RESET
RXD2
COL
SD12
SD6
A2
CYCLE~
MDIO
TXD1
TX_EN
TX_CLK
A13
ADS~
TXD3
SD2
A12
SD11
RDYRTN~
IOW~
LBK
A5
INTR0
RXD0
BE1~
SD5
A1
RX_CLK
A11
RBIAS
RX_ER
SD1
A7
A6
X25OUT
IOCS16~
TXD0
SD3
A4
AEN
VLBUS~
SD10
ARDY
CSOUT~
SD7
A15
A14
A10
A3
SD9
RX_DV
RBIAS
BE3~
LCLK
BE2~
W/R~
CYCLE~
ADS~
RDYRTN~
LEDA
LEDB
LNK#
BE3~
BE2~
BE0~
ARDY
IOCS16~
ENEEP
IOS2
IOS1
IOS0
EECS
EESK
EEDI
ARDY IOCS16~
+3.3V
+3.3V +3.3V
+3.3V
+3.3V
+3.3V
+5V
+3.3V
nCNTRL
A[1..15]
SD[0..15]
RXD[0..3]
TXD[0..3]
TX_EN
CRS
COL
RX_DV
RX_ER
MDIO
MDC
RX_CLK
TX_CLK
AEN
BE0~
BE1~
BE2~
BE3~
RESET
ADS~
LCLK
ARDY
RDYRTN~
SRDY~
INTR0
IOCS16~
IOR~
IOW~
DATACS~
CYCLE~
W/R~
VLBUS~
X25OUT
CSOUT~
LBK
Title
Size Assembly No. Re v
Date: Sheet of
Engineer
6173 C1
LAN91C111 Evaluation Board
C
12Thurs d ay, A pr il 26 , 2007
Connect Digital GND to
Analog GND on Plane
EEPROM 64 x 16 Configuration
Circuit Diagrams utilizing SMSC Products Are Included As A Means Of
Illustr a ti n g Typical Semiconductor Applications: Consequently Complete
Information Sufficient For Construction Purposes Is Not Necessarily Given. The
Information Has Been Carefully Checked And Is Believed To Be Entirely
Reli a ble. H owever, No Respon sibility Is Assume d Fo r In accur acie s.
Furthe rm or e, Su ch Information Does Not Convey To The Purchaser Of The
Semiconductor Devices Described Any License Under The Patent Rights Of
SMSC O r Ot h e r s. S M SC R e se r v e s Th e R i g ht To Make Changes At Any Time In
Order To Improve Design And Supply The Best Product Possible.
SMSC LAN91C111 Evaluation Design
Assembly No. 6173 Revision C1
Pull -u ps / P ul l-downs
Transmit
Receive
LCL K Configuration
16-Bit Mode - Pull-down
32-Bit Mode - Pull-up
R6 24.9
R28
49.9
R4
49.9
R29
49.9
R27
75.0
Y1
25MHZ .005% 20pF
1 2
3
R26
75.0
R25
301
C3
30pf
R32
0
DNP
C20
1000pf
2KV
R18
10.0K
32-bi t IS A-LIKE INTERFACE
MII INTERFACE PHY
SERIAL
EEPROM
U1
LAN91C111
TQFP_128-pin
VDD 1
nCSOUT 2
IOS0 3
IOS1 4
IOS2 5
ENEEP 6
EEDO 7
EEDI 8
EESK 9
EECS 10
AVDD 11
RBIAS 12
AVSS
13
TPO+ 14
TPO- 15
AVDD 16
TPI+ 17
TPI- 18
AVSS
19
nLNK 20
LBK 21
LEDA 22
LEDB 23
VSS
24
MDI 25
MDO 26
MCLK 27
nCNTRL 28
INTR0
29
RESET
30
nRD
31 nWR
32
VDD 33
nDATACS
34 nCYCLE
35 W/nR
36
nADS
37
ARDY
38
VSS
39
nVLBUS
40
AEN
41
LCLK
42
nSRDY
43
VDD 44
nLDEV
45
nRDYRTN
46 X25OUT 47
D31
48 D30
49 D29
50 D28
51
VSS
52
D27
53 D26
54 D25
55 D24
56
VSS
57
D23
58 D22
59 D21
60 D20
61
VDD 62
D19
63 D18
64 D17
65 D16
66
VSS
67
D15
68 D14
69 D13
70 D12
71
VSS
72
D11
73 D10
74 D9
75 D8
76
VDD 77
A1
78 A2
79 A3
80 A4
81 A5
82 A6
83 A7
84 A8
85 A9
86 A10
87 A11
88 A12
89 A13
90 A14
91 A15
92
VSS
93
nBE0
94 nBE1
95 nBE2
96 nBE3
97
VDD 98
D7
99 D6
100 D5
101
VSS
103
D4
102 D3
104 D2
105 D1
106 D0
107
VSS
108
TX25 109
VDD 110
TXEN100 111
COL100 112
TXD3 113
TXD2 114
TXD1 115
TXD0 116
VSS
117
RX25 118
CRS100 119
VDD 120
RXD3 121
RXD2 122
RXD1 123
RXD0 124
RX_DV 125
RX_ER 126
XTAL1 127
XTAL2 128
R16
10.0K R17
10.0K
R22
11.0K
1/8W
1%
R24
301
U2
AT93C46
CS
1SK
2DI
3DO
4
VCC 8
GND 5
ORG 6
NC 7
R19
10.0K
R35
10.0
R31
10.0K
R21
10.0K
1/8W
1%
R3
49.9
R20
56.2
1/8W
1%
J2
DNP
R13
511
DNP
R12
49.9
R11
49.9
C2
1000pf
2KV
R10
49.9
GREEN (LINK)
YELLOW ( ACT)
J1
RJ45_LEDS
RJ1
1RJ2
2RJ3
3RJ4
4RJ5
5RJ6
6RJ7
7RJ8
8
+16
-
15
+14
-
13
HOLE1 12
HOLE2 11
SHIELD1 10
SHIELD2 9
R1
24.9
R9
49.9
R30
10.0M
DNP
R2
24.9
R15
10.0K
C4
30pf
R23
0
1210
S1
1
2
3
4
8
7
6
5
C1
0.01uF
T1
TG110-S050N2
PM+ 3
PM- 1
CT 2
S-
16
CT
15
S+
14
PM- 6
CT 7
PM+ 8
S-
11
CT
10
S+
9
NC1
4
NC2
5
NC3
12
NC4
13
R5 24.9
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
INT9
INT10
A2
A9
SD6
IOR~
A6
SD13
A8
A3
SD4
SD12
RESET
SD11
BE0~
SD8
A1
A7
A4
A14
A10
AEN
SD15
SD0
BE1~
A12
IOW~
SD14
A11
A5
SD9
INT11
SD3
A15
SD2
SD1
A13
SD7
SD5
SD10
RXD3
COL
RX_DV
RXD0
RX_ER
TX_EN
RX_CLK
CRS
TXD3
TXD2
TXD1
RXD1
RXD2
TX_ER
TX_CLK
TXD0
MDC
MDIO
nCNTRL
nCNTRL
+5V
+5V
+3.3V+3.3V
+3.3V
+5V
+3.3V
+3.3V
+5V +3.3V
+3.3V
+5V
+3.3V
+5V
+5V
nCNTRL
A[1..15]
SD[0..15]
RXD[0..3]
TXD[0..3]
TX_EN
CRS
COL
RX_DV
RX_ER
MDIO
MDC
RX_CLK
TX_CLK
AEN
BE0~
BE1~
RESET
ARDY SRDY~
INTR0
IOR~
IOW~
CSOUT~ X25OUT
LBK
DATACS~ CYCLE~
W/R~ ADS~
VLBUS~
LCLK
RDYRTN~ BE3~
BE2~
IOCS16~
Title
Size Assembly No. Re v
Date: Sheet of
Engineer
6173 C1
LAN91C111 Evaluation Board
C
22Thurs d ay, A pr il 26 , 2007
SMSC LAN91C111 Evaluation Design
Assembly No. 6173 Revision C1
Unused Pin Breakout Headers
3.3V Power Supply Devi ce D e co uplin g Capacito rs & Bulk Capa citors
PowerPhy
Open-drain pull-up
on mot her board
LED2
GREEN
1206
TP3
C13
.01uF
R14
47.5K
TP5
DNP
1
C7
.01uF
C15
.01uF
TP4
ZMTG_1
Mounting Hole
+
-
C23
10uF
10V
20%
C18
.01uF
+
-
C10
10uF
10V
20%
U4
74AHC1GU04
SOT-23_5-pin
IN
2OUT 4
VCC 5
GND
3
NC 1
R34
0
DNP
C11
.01uF C12
.01uF
Z1
ISA - A/B/C/D
IOCHK~ A1
SD7 A2
SD6 A3
SD5 A4
SD4 A5
SD3 A6
SD2 A7
SD1 A8
SD0 A9
IOCHRDY A10
AEN A11
SA19 A12
SA18 A13
SA17 A14
SA16 A15
SA15 A16
SA14 A17
SA13 A18
SA12 A19
SA11 A20
SA10 A21
SA9 A22
SA8 A23
SA7 A24
SA6 A25
SA5 A26
SA4 A27
SA3 A28
SA2 A29
SA1 A30
SA0 A31
SBHE~ C1
LA23 C2
LA22 C3
LA21 C4
LA20 C5
LA19 C6
LA18 C7
LA17 C8
MEMR~ C9
MEMW~ C10
SD8 C11
SD9 C12
SD10 C13
SD11 C14
SD12 C15
SD13 C16
SD14 C17
SD15 C18
GND
B1 RESET
B2 +5V
B3 IRQ9
B4 -5V
B5 DRQ2
B6 -12V
B7 OWS
B8 +12
B9 GND
B10 SMEMW~
B11 SMEMR~
B12 IOWR~
B13 IORD~
B14 DACK3~
B15 DRQ3
B16 DACK1~
B17 DRQ1
B18 RFRSH~
B19 SYSCLK
B20 IRQ7
B21 IRQ6
B22 IRQ5
B23 IRQ4
B24 IRQ3
B25 DACK2~
B26 TC
B27 BALE
B28 +5V
B29 OSC
B30 GND
B31
MEMCS16~
D1 IOCS16~
D2 IRQ10
D3 IRQ11
D4 IRQ12
D5 IRQ15
D6 IRQ14
D7 DACK0~
D8 DRQ0
D9 DACK5~
D10 DRQ5
D11 DACK6~
D12 DRQ6
D13 DACK7~
D14 DRQ7
D15 +5V
D16 MASTER~
D17 GND
D18
TP2
R36
0
DNP
U3
LT1086CM-3.3
GND
1
VIN
3VOUT 2
VOUT 4
ZBRACKET_1
ISA Bracket
C14
.01uF
+
C5
10uF
10%
25V
JP1
1
34
2
56
TP1
U5
74LVC1G07
SOT-23_5-pin
IN
2OUT 4
VCC 5
GND
3
NC 1
J4
FEMAL E MII CON NEC TOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Chassis1
41 Chassis2
42
R8
301
+
-
C19
10uF
10V
20%
C16
.01uF
R7
301
C17
.01uF
+
C21
10uF
10%
25V
GREEN
GREEN TOPBOT
LED1
T1/DUAL/LED
-
1+2
-
3+4
C9
.01uF
+
C22
10uF
10%
25V
+
C6
10uF
10%
25V
C8
.01uF
C24
.01uF
JP3
DNP
1
3 4
2
5 6
7 8
9
11 10
12
13 14
1615
17 18
19 20
R33
511
ZBRK_1
Bracket Hole
