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5 digital i/o – Digilent EVB-USB3300-XLX User Manual

Page 3

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EVB-USB3300-XLX User Manual

SMSC EVB-USB3300-XLX

Revision 0.4 (06-29-07)

3

2.5

Digital I/O

The ULPI signals are routed to connector J1 for connection to the ML401. Each signal on J1 is
described in

Table 2.1

. All ULPI signals are 3.3V CMOS compatible.

Table 2.1 Signals on 3x13-Pin Header

J1 Pin

Signal Name

J1 Pin

Signal Name

J1 Pin

Signal Name

1

+5V

2

GND

3

Reset

4

+5V

5

GND

6

NXT

7

+5V

8

GND

9

CLKOUT

10

+5V

11

GND

12

DIR

13

NC

14

GND

15

STP

16

+3.3V

17

GND

18

DATA7

19

+3.3V

20

GND

21

DATA6

22

+3.3V

23

GND

24

DATA5

25

+3.3V

26

GND

27

DATA4

28

NC

29

GND

30

DATA3

31

RSVD1

32

GND

33

DATA2

34

RSVD2

35

GND

36

DATA1

37

RSVD3

38

GND

39

DATA0