Data transmission timing user’s manual c-7, Figure c–2 data transmission timing – FUJITSU DL6400 User Manual

Page 182

Data Transmission Timing

User’s Manual

C-7

INTERFACE
INFORMATION

Reverse data transfer phase in nibble mode (data transfer from printer
to host)

Figure C–2

Data transmission timing

Data Available (*)

X Flag

Ack Data Req

Printer Busy

Host Busy
(from CPU)

Printer Clock

Data bit 4

Data bit 5

Data bit 6

Data bit 7

Data bit 0

Data bit 1

Data bit 2

Data bit 3

1284 Active
(from CPU)

* Data Available is assigned for the cable.

DL6400/6600 Book Page 7 Friday, July 31, 1998 11:42 AM