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APPENDIX
Appendix C: Parallel Interface
The two-way parallel interface is compatible with the IEEE1284 compatibility
mode, nibble mode and byte mode. Refer to the separate programmer’s manual
for details.
C-1. Table of Connection Signals for Each Mode
Pin No. Direction
Compatibility Mode Nibble Mode Byte Mode
Signal Name Signal Name Sginal Name
1 In STB Host Clock Host Clock
2 In/Out DATA0 DATA0 DATA0 *
1
3 In/Out DATA1 DATA1 DATA1 *
1
4 In/Out DATA2 DATA2 DATA2 *
1
5 In/Out DATA3 DATA3 DATA3 *
1
6 In/Out DATA4 DATA4 DATA4 *
1
7 In/Out DATA5 DATA5 DATA5 *
1
8 In/Out DATA6 DATA6 DATA6 *
1
9 In/Out DATA7 DATA7 DATA7 *
1
10 Out ACK OUT Ptr Clock *
1
Ptr Clock *
1
11 Out BUSY OUT Busy/DATA3,7 *
1
Busy
12 Out PE OUT AkDR/DATA2,6 *
1
AkDR
13 Out SELECT OUT Xflg/DATA1,5 *
1
Xflg
14 In AUTOFD IN HOSTBUSY *
1
HOSTBUSY *
1
15 NC NC NC
16 GND GND GND
17 FG FG FG
18 OUT Logic H Logic H Logic H
19 GND GND GND
20 GND GND GND
21 GND GND GND
22 GND GND GND
23 GND GND GND
24 GND GND GND
25 GND GND GND
26 GND GND GND
27 GND GND GND
28 GND GND GND
29 GND GND GND
30 GND GND GND