Samsung SRP-370 User Manual - Page 9

Rev. 1.00 - 372

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1-2-2 Parallel Interface (IEEE1284) POWER DK SRP-370/372 Power supply connector Drawer kick-out connector PARALLEL Interface connector Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19~30 31 32 33 34 35 36 Source Host Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Printer Printer Printer Printer Host Printer Host Printer Printer Printer Host Compatibility Mode nStrobe Data 0 (LSB) Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 (MSB) nAck Busy Perror Select nAutoFd NC GND FG Logic-H GND nInit nFault GND DK_Status +5V nSelectIn Nibble Mode HostClk PtrClk PtrBusy /Data3,7 AckDataReq/Data2,6 Xflag /Data1,5 HostBusy NC GND FG Logic-H GND nInit nDataAvail /Data0,4 ND ND ND 1284-Active Byte Mode HostClk Data 0 (LSB) Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 (MSB) PtrClk PtrBusy AckDataReq Xflag HostBusy NC GND FG Logic-H GND nInit nDataAvail ND ND ND 1284-Active Rev. 1.00 - 9 -

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Rev. 1.00
- 9 -
SRP-370/372
1-2-2 Parallel Interface (IEEE1284)
POWER
DK
PARALLEL
Drawer kick-out
connector
Interface connector
Power supply
connector
Pin No.
Source
Compatibility Mode
Nibble Mode
Byte 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