EVB-LAN9252-PICtail™ Add-
On Board User’s Guide
DS500024
27A-page 2
6
2015 Microchip T
echnolo
gy Inc.
FIGURE B-3:
B2B INTERFACE
Note:
Capacitors C10 through C13 are optional for EMI purposes
and are not populated on the LAN8740/41 evaluation board.
These capacitors are required for operation in an EMI
constrained environment.
LED1 (Green) = LINK/ACT
LED2 (Yellow) = SPEED
Note:
Capacitors C10 through C13 are optional for EMI purposes
and are not populated on the LAN8740/41 evaluation board.
These capacitors are required for operation in an EMI
constrained environment.
LED1 (Green) = LINK/ACT
LED2 (Yellow) = SPEED
RUNLED
GPIO0 = LINKACTLED0/TDO/LEDPOL0/CHIP_MODE0
GPIO1 = LINKACTLED1/TDI/LEDPOL1/CHIP_MODE1
GPIO2 = RUNLED/LEDPOL2/E2PSIZE
I2C EEPROM
TH IC.
I2C EEPROM Lower size
Below 16K(2K X 8)
GPIO0
GPIO1
VDD33TXRX2
VDD33TXRX1
3V3
3V3
3V3
TXPA
TXNA
RXPA
RXNA
TXPB
TXNB
RXPB
RXNB
GPIO0
GPIO1
I2C2_SDA
I2C2_SCL
GPIO2
R2
1
2K
XMIT
RCV
75
75
75
1000 pF
2 kV
RJ45
1
4 & 5
2
3
7 & 8
6
75
GRN
YEL
T1
Pulse J0011D01BNL
RD+
3
RXCT
5
RD-
6
TD+
1
TXCT
4
TD-
2
CHS GND
8
GND
13
GND1
14
MT
G
15
MT
G1
16
NC
7
C
10
A
9
C1
11
A1
12
R19
10.0K
1
2
C29
10pF
50V
5%
DNP
C31
10pF
50V
5%
DNP
C23
10pF
50V
5%
DNP
R2
2
2K
R16
0
RES1210
R6
49.9
1/10W
1%
C33
0.1uF
R8
0
R18
1K
D1
GRN
1
A
2
C
R14
49.9
1/10W
1%
R20
10.0K
1
2
C32
0.022uF
50V
10%
C26
10pF
50V
5%
DNP
R9
0
RES1210
XMIT
RCV
75
75
75
1000 pF
2 kV
RJ45
1
4 & 5
2
3
7 & 8
6
75
GRN
YEL
T2
Pulse J0011D01BNL
RD+
3
RXCT
5
RD-
6
TD+
1
TXCT
4
TD-
2
CHS GND
8
GND
13
GND1
14
MT
G
15
MT
G1
16
NC
7
C
10
A
9
C1
11
A1
12
R17
10.0K
1
2
R11
49.9
1/10W
1%
C30
10pF
50V
5%
DNP
R7
49.9
1/10W
1%
U2
24FC512
GND
4
VCC
8
SDA
5
SCL
6
A0
1
A1
2
A2
3
WP
7
C25
10pF
50V
5%
DNP
R23
4.7K
C24
10pF
50V
5%
DNP
R10
330E
R5
49.9
1/10W
1%
C28
10pF
50V
5%
DNP
R12
49.9
1/10W
1%
R3
330E
R13
49.9
1/10W
1%
R4
49.9
1/10W
1%
R15
0
C27
0.022uF
50V
10%
