Oki OKIPOS408II OKIPOS 408II Programmer s Technical Reference - Page 237
Parallel Interfaces Amphenol 36 Pins, Specifications Conforming to IEEE 1284
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1-2 Parallel Interfaces (Amphenol 36 Pins) 1-2-1 Specifications (Conforming to IEEE 1284) Rating: Mode: Data transfer speed: Synch method: Handshake: Logic level: Conforms to IEEE 1284 Compatibility Mode/Nibble Mode/Byte Mode 1000 to 6000 CPS According to externally supplied strobe pulse According to ACK and BUSY signals Compatible to TTL 1-2-2 Signal Array and Explanations According to Interface Connector Pin Pin No. Compatibility Mode Signal Name 1 nStrobe 2 to 9 Data 0 to 7 10 nAck 11 Busy 12 PError 13 Select 14 N/C 15 N/C 16 Signal GND 17 Frame GND 18 +5V 19 to 30 Twisted Pair Return 31 nInit 32 nFault 33 External GND 34 N/C 35 N/C 36 nSelectIn Nibble Mode Signal Name HostClk Data 0 to 7 PtrClk PtrBusy/Data 3, 7 AckDataReq/Data 2, 6 Xflag/Data 1, 5 HostBusy Signal GND Frame GND +5V Twisted Pair Return nInit nDataAvail/Data 0, 4 1284Active Byte Mode Signal Name HostClk Data 0 to 7 PtrClk PtrBusy AckDataReq Xflag HostBusy Signal GND Frame GND +5V Twisted Pair Return nInit nDataAvail 1284Active _____ STAR Page Mode Command Specifications 1-4