Oki OKIPOS408II OKIPOS 408II Programmer s Technical Reference - Page 8
Parallel Interfaces (Amphenol 36 pins), 1.2.1. Specifications (Conforming to IEEE1284)
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1.2. Parallel Interfaces (Amphenol 36 pins) 1.2.1. Rating: Mode: Specifications (Conforming to IEEE1284) Conforms to IEEE 1284 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 Pin No. Compatibility Mode Signal Name 1 nStrobe 2 to 9 Data0 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 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 Byte Mode Signal Name HostClk Data0 to 7 PtrClk PtrBusy AckDataReq Xflag HostBusy Signal GND Frame GND +5V Twisted Pair Return nInit nDataAvail 1284Active STAR Line Mode Command Specifications 1-4