(9)Connector Pin Diagram (IEEE1284-B Connector):

Pin

 

Signal Name

 

No.

Compatibility Mode

Nibble mode

ECP mode

 

 

 

 

1

nStrobe

HostClk

HostClk

2

Data 1

Data 1

Data 1

3

Data 2

Data 2

Data 2

4

Data 3

Data 3

Data 3

5

Data 4

Data 4

Data 4

6

Data 5

Data 5

Data 5

7

Data 6

Data 6

Data 6

8

Data 7

Data 7

Data 7

9

Data 8

Data 8

Data 8

10

nAck

PtrClk

PeriphClk

11

Busy

PtrBusy

PeriphAck

12

PError

AckDataReq

nAckReverse

13

Select

Xflag

XFlag

14

nAutoFd

HostBusy

HostAck

15

NC

NC

NC

16

0V

0V

0V

17

CHASSIS GND

CHASSIS GND

CHASSIS GND

18

+5V (for detection)

+5V (for detection)

+5V (for detection)

19

TWISTED PAIR GND (PIN1)

TWISTED PAIR GND (PIN1)

TWISTED PAIR GND (PIN1)

20

TWISTED PAIR GND (PIN2)

TWISTED PAIR GND (PIN2)

TWISTED PAIR GND (PIN2)

21

TWISTED PAIR GND (PIN3)

TWISTED PAIR GND (PIN3)

TWISTED PAIR GND (PIN3)

22

TWISTED PAIR GND (PIN4)

TWISTED PAIR GND (PIN4)

TWISTED PAIR GND (PIN4)

23

TWISTED PAIR GND (PIN5)

TWISTED PAIR GND (PIN5)

TWISTED PAIR GND (PIN5)

24

TWISTED PAIR GND (PIN6)

TWISTED PAIR GND (PIN6)

TWISTED PAIR GND (PIN6)

25

TWISTED PAIR GND (PIN7)

TWISTED PAIR GND (PIN7)

TWISTED PAIR GND (PIN7)

26

TWISTED PAIR GND (PIN8)

TWISTED PAIR GND (PIN8)

TWISTED PAIR GND (PIN8)

27

TWISTED PAIR GND (PIN9)

TWISTED PAIR GND (PIN9)

TWISTED PAIR GND (PIN9)

28

TWISTED PAIR GND (PIN10)

TWISTED PAIR GND (PIN10)

TWISTED PAIR GND (PIN10)

29

TWISTED PAIR GND (PIN11)

TWISTED PAIR GND (PIN11)

TWISTED PAIR GND (PIN11)

30

TWISTED PAIR GND (PIN31)

TWISTED PAIR GND (PIN31)

TWISTED PAIR GND (PIN31)

31

nInit

nInit

nReverseRequest

32

nFault

nDataAvail

nPeriphRequest

33

0V

0V

0V

34

NC

NC

NC

35

NC

NC

NC

36

nSelectIn

IEEE1284Active

IEEE1284Active

19

36

1

18

NOTE: The signal name starting with a lower case “n” indicates that it is a low active signal.

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Toshiba B-SX4T-GS20-QM-R manual Chassis GND