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STAR Line Mode Command Specifications 1-4
1.2. Parallel Interfaces (Amphenol 36 pins)
1.2.1. Specifications (Conforming to IEEE1284)
Rating: Conforms to IEEE 1284
Mode: Compatibility Mode/Nibble Mode/Byte Mode
Data transfer speed: 1000 to 6000 CPS
Synch method: According to externally supplied strobe pulse
Handshake: According to ACK and BUSY signals
Logic level: Compatible to TTL
1.2.2. Signal array and explanations according to interface connector pin
<Signal Array and Functions>
Pin No. Compatibility Mode Signal Name Nibble Mode Signal Name Byte Mode Signal Name
1
2 to 9
10
11
12
13
14
15
16
17
18
19 to 30
31
32
33
34
35
36
nStrobe
Data0 to 7
nAck
Busy
PError
Select
N/C
N/C
Signal GND
Frame GND
+5V
Twisted Pair Return
nInit
nFault
External GND
N/C
N/C
nSelectIn
HostClk
Data0 to 7
PtrClk
PtrBusy/Data3,7
AckDataReq/Data2,6
Xflag/Data1,5
HostBusy
-
Signal GND
Frame GND
+5V
Twisted Pair Return
nInit
nDataAvail/Data0,4
-
-
-
1284Active
HostClk
Data0 to 7
PtrClk
PtrBusy
AckDataReq
Xflag
HostBusy
-
Signal GND
Frame GND
+5V
Twisted Pair Return
nInit
nDataAvail
-
-
-
1284Active