SRP-270

2-2-3 Parallel Interface (IEEE1284)

PARALLEL

Ver.2

Interface Connector

Drawer kick-out

Power supply

connector

connector

 

Pin No.

 

 

Source

 

 

Compatibility

 

 

Nibble Mode

 

 

Byte Mode

 

 

 

 

 

 

Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

Host

 

nStrobe

 

HostClk

 

HostClk

2

 

 

Host / Printer

 

Data 0 (LSB)

-

 

 

Data 0 (LSB)

3

 

 

Host / Printer

 

Data 1

-

 

 

Data 1

4

 

 

Host / Printer

 

Data 2

-

 

 

Data 2

5

 

 

Host / Printer

 

Data 3

-

 

 

Data 3

6

 

 

Host / Printer

 

Data 4

-

 

 

Data 4

7

 

 

Host / Printer

 

Data 5

-

 

 

Data 5

8

 

 

Host / Printer

 

Data 6

-

 

 

Data 6

9

 

 

Host / Printer

 

Data 7 (MSB)

-

 

 

Data 7 (MSB)

10

 

 

Printer

 

nAck

 

PtrClk

 

PtrClk

11

 

 

Printer

 

Busy

 

PtrBusy /Data3,7

 

PtrBusy

12

 

 

Printer

 

Perror

 

AckDataReq/Data2,6

 

AckDataReq

13

 

 

Printer

 

Select

 

Xflag/Data1,5

 

Xflag

14

 

 

Host

 

nAutoFd

 

HostBusy

 

HostBusy

15

 

-

 

 

NC

 

NC

 

NC

16

 

-

 

 

GND

 

GND

 

GND

17

 

-

 

 

FG

 

FG

 

FG

18

 

 

Printer

 

Logic-H

 

Logic-H

 

Logic-H

19~30

 

-

 

 

GND

 

GND

 

GND

31

 

 

Host

 

nInit

 

nInit

 

nInit

32

 

 

Printer

 

nFault

 

nDataAvail/Data0,4

 

nDataAvail

33

 

-

 

 

GND

 

ND

 

ND

34

 

 

Printer

 

DK_Status

 

ND

 

ND

35

 

 

Printer

 

+5V

 

ND

 

ND

36

 

 

Host

 

nSelectIn

 

1284-Active

 

1284-Active

Rev. 1.00

- 13 -

Page 13
Image 13
Samsung SRP270CPG, SRP270AP user manual Gnd