Filter
Top Products
Communication Interfaces 10-1
Introduction .................................................................................. 10-3
Data-Transfer Operations ............................................................. 10-4
Parallel Communication Interface ................................................ 10-6
Parallel Interface Signal Descriptions ..................................... 10-7
Data Signals ........................................................................ 10-8
Data Strobe Signal .............................................................. 10-8
Acknowledge Signal ........................................................... 10-8
Busy Signal ......................................................................... 10-9
Fault Signal ......................................................................... 10-9
Initialize Signal ................................................................... 10-9
Paper-Empty Signal .......................................................... 10-10
Select Signal ..................................................................... 10-10
Verify Signal ..................................................................... 10-10
Ground Signals ................................................................. 10-10
Parallel Interface Communication Protocol .......................... 10-10
Data-Transfer Timing ....................................................... 10-10
Initialize Sequence ............................................................ 10-13
Error Conditions ............................................................... 10-14
Serial Communication Interface ................................................. 10-14
Serial Interface Connector ..................................................... 10-15
Interface Connection.............................................................. 10-15
Interface Signal Descriptions ................................................ 10-16
Protective Ground ............................................................. 10-16
Signal Ground ................................................................... 10-16
Transmit Data Signal ........................................................ 10-16
Receive Data Signal.......................................................... 10-16
Request to Send Signal ..................................................... 10-16
Clear to Send Signal ......................................................... 10-17
Data Set Ready Signal ...................................................... 10-17
Data Carrier Detect Signal................................................ 10-17
Data Terminal Ready Signal ............................................. 10-17
10
Communication Interfaces