Oki B410 Maintenance Manual page 138

Oki Data CONFIDENTIAL
(5) Specification
Mode
Data Bit Length
Input Prime
Receive Buffer
Control
(6) Time Chart
a) At the Power ON (Menu Setting: PARALLEL=ENABLE)
Printer
Status
PError
nAck
Busy
nFault
Select
Receive
DMA
b) At the Power ON (Menu Setting : PARALLEL=ENABLE)
Printer
Status
PError
nAck
Busy
nFault
Select
Receive
DMA
43984801TH Rev.1
Item
Compatible mode, Nibble mode, and ECP mode
8 bit (Compatible mode)
Enable/ Disable
8K, 20K, 50k, 100k, 1M Byte
The handshake control is performed in each mode.
Data received from the host is store in the Receive buffer.
Busy control is performed.
Signal read control is performed.
Power ON
LSI
Power OFF
initialization
H
L
H
L
H
L
H
L
H
L
Power ON
LSI
Power OFF
initialization
H
L
H
L
H
L
H
L
H
L
Appendix A Centronics Parallel Interface
Contents
Notice for transfer
to the Online
F/W
initialization
PEND
F/W
initialization
PEND
Idling
RUNNING
Receive DMA Start
DISABLE
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