Schematics
2015
Microchip Technology Inc.
D
S
5
0002403A-p
age 33
FIGURE B-6:
STRAP, GPIO, I
2
C & FXLOS
GPIO [0:2] & LED_POL_Strap
LINK/ACT
RUNLED
LINK/ACT
GPIO0 =LED0,LEDPOL0,MNGT0
GPIO1 = LED1,LEDPOL1,MNGT1
GPIO2 = LED2,LEDPOL2,E2PSIZE
Note:
--To use GPIOs as LED
* Short 2-3 of both jumpers (ex. for GPIO0 short 2-3 of J4 & J7)
1
The LED is set as active low,
MNGT0
The LED is set as active high.
MNGT1
0
Signal Name
Connector
J4,J7 (1&2)
LED Polarity Strap
Logic
E2ESIZE
J4,J7 (2&3)
J5,J8 (1&2)
J5,J8 (2&3)
1
0
J6,J9 (1&2)
J6,J9(2&3)
The LED is set as active low,
The LED is set as active high.
The LED is set as active low,
EEPROM Size=32K bits (4K x 8) through 512K bits (64K x 8) or 4Mbits (512K x 8) (LAN9252 only)
The LED is set as active high.
EEPROM Size=1K bits (128 x 8) through 16K bits (2K x 8)
1
0
Management/LED Polarity Strap
I2C EEPROM
TH IC.
Different sizes can be mounted
I2C EEPROM Lower size
Below 16K(2K X 8)
I2C EEPROM Higher size
Above 16K(2K X 8)
'HIDXOW
&RSSRUPRGH
5 '13 5 $VVHPEOH
6HOHFWV);6'FRSSHUWZLVWHGSDLUIRUSRUWV$DQG%IXUWKHUGHWHUPLQHG
E\);6'(1$DQG);6'(1%
5 . 5 .
/HYHORI9VHOHFWV);/26IRUSRUW$DQG
);6'&RSSHUWZLVWHGSDLUIRUSRUW%IXUWKHUGHWHUPLQHGE\);6'(1%
5 $VVHPEOH 5 '13
$ERYH9VHOHFWV);/26IRUSRUWV$DQG%
FX_Los_Strap_1 & 2
FX_Mode_Strap_1 & 2
'HIDXOW
&RSSRUPRGH
55$VVHPEOH
5 5 '13
)LEHU0RGH
55$VVHPEOH
5 5 '13
LINK/ACT LED2
TX_SHIFT1
TX_SHIFT0
MII TX Timing Shift
0
0
0 ns
10 ns
0
1
20 ns
1
0
30 ns
1
1
MII TX Shift Timing
LED1_CATHODE
GPIO1
GPIO1
LED1_ANODE
LED2_ANODE
LED0_CATHODE
LED2_CATHODE
GPIO0
GPIO0
GPIO2
GPIO2
LED0_ANODE
LED0_ANODE
LED0_CATHODE
LED1_ANODE
LED1_CATHODE
LED2_ANODE
LED2_CATHODE
I2C2_2
I2C2_3
I2C2_7
I2C2_1
LEDPOL6_ANODE
LEDPOL6_CATHODE
MII_LINKPOL
LEDPOL6_ANODE
LEDPOL6_CATHODE
LEDPOL6_ANODE
LED0_CATHODE
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
GPIO0
GPIO1
GPIO2
I2C2_SDA
I2C2_SCL
ATEST/FXLOSEN
FXSDA/FXLOSA
FXSDB/FXLOSB
MII_LINKPOL
TX_SHIFT0
TX_SHIFT1
D9
LED
DNP
D9
LED
DNP
1
A
2
C
SW9
JS102011CQN
SW9
JS102011CQN
1
2
3
C58
0.1uF
C58
0.1uF
R77
10K
DNP
R77
10K
DNP
R76
10K
R76
10K
J9
J9
1
2
3
SW3
SW DIP-4/SM
SW3
SW DIP-4/SM
1
2
3
4
8
7
6
5
R141
10K
R141
10K
R80
10K
R80
10K
R79
10K
R79
10K
J8
J8
1
2
3
D5
GRN
D5
GRN
1
A
2
C
R75
10K
DNP
R75
10K
DNP
R6
5
4.
7K
R6
5
4.
7K
J4
J4
1
2
3
J6
J6
1
2
3
R6
6
4.
7K
R6
6
4.
7K
J5
J5
1
2
3
R78
10K
DNP
R78
10K
DNP
J16
J16
1
2
3
R71
10.0K
R71
10.0K
1
2
SW10
JS102011CQN
SW10
JS102011CQN
1
2
3
R6
8
2K
R6
8
2K
R73
1K
R73
1K
R6
4
4.
7K
R6
4
4.
7K
R6
7
2K
R6
7
2K
J7
J7
1
2
3
R69
10.0K
R69
10.0K
1
2
D4
GRN
D4
GRN
1
A
2
C
R142
10K
R142
10K
D3
GRN
D3
GRN
1
A
2
C
R74
1K
R74
1K
D7
LED
D7
LED
1
A
2
C
J15
J15
1
2
3
R6
3
4.
7K
R6
3
4.
7K
U5
24FC04
U5
24FC04
GN
D
4
VC
C
8
SDA
5
SCL
6
A0
1
A1
2
A2
3
WP
7
R140
332
1/10W
1%
R140
332
1/10W
1%
1
2
R72
1K
R72
1K
R139
10.0K
R139
10.0K
1
2
R70
10.0K
R70
10.0K
1
2