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2020-2021 Microchip Technology Inc.

DS00003646B-page 9

LAN9255

Table 4-1 details the pin assignments in table format. As shown, select pin functions may change based on the device’s

mode of operation. For modes where a specific pin has no function, the table cell will be marked with “-”. The source die

and original source die pin number for each signal is also provided.

TABLE 4-1:

LAN9255 PIN ASSIGNMENTS

LAN9255

Pin

Number

HBI Indexed

Mode Pin Name

HBI Multiplexed

Mode Pin Name

SPI with GPIO

Mode Pin Name

SPI with MII

Mode Pin Name

Digital I/O

Mode Pin Name

Source

Die

Source

Die Pin

1

OSCO

LAN9253

2

2

PB03

SAM E53J

64

3

PA00

SAM E53J

1

4

OSCVDD12

LAN9253

3

5

PA01

SAM E53J

2

6

OSCVSS

LAN9253

4

7

VDD33

LAN9253

5

8

PA02

SAM E53J

3

9

PA03

SAM E53J

4

10

PB04

SAM E53J

5

11

PB05

SAM E53J

6

12

VDDCR

LAN9253

6

13

REG_EN

LAN9253

7

14

CLK_25/CLK_25_EN/XTAL_MODE

LAN9253

8

15

GNDANA

SAM E53J

7

16

VDDANA

SAM E53J

8

17

ERRLED/PME/100FD_B/LEDPOL4

ERRLED/

PME/

LEDPOL4

ERRLED/

100FD_B/

LEDPOL4

LAN9253

9

18

WAIT_ACK/PME

WAIT_ACK/PME/

EE_EMUL_SPI3

LATCH0

LAN9253

10

19

PB06

SAM E53J

9

20

PB07

SAM E53J

10

21

RST#

LAN9253

11

22

PB08

SAM E53J

11

23

PB09

SAM E53J

12

24

D2

AD2

SIO2/EE_EMUL_SPI0

SOF

LAN9253

12

25

PA04

SAM E53J

13

26

D1

AD1

SO/SIO1

EOF

LAN9253

13

27

PA05

SAM E53J

14

28

PA06

SAM E53J

15

29

VDDIO_J

LAN9253

14

30

PA07

SAM E53J

16