Oki OKIPAGE 12i Series, Service Handbook

Page: 155 / 226

B - 3
4) Signal Level
• LOW : 0 V to +0.8 V
• HIGH : +2.4 V to 5.0 V
5) Specifications
6) Timing Charts
a) Data receiving timing
PARALLEL DATA
(DATA BITs 1 to 8)
DATA STOROBE
ACKNOWLEDGE
BUSY
0.5
µ
s min.
0.5
µ
s min.
0.5
µ
s min.
0.5
µ
s max.
0.5
µ
s min.
0 min.
0 min.
0 min.
0.5
µ
s to 10
µ
s
0 min.
Item Description
Mode
Data bit length
Input prime
Receive buffer
Control
Compatibility mode, Nibble mode, ECP mode
8 bits (in the compatibility mode)
Valid/Invalid
8K, 20K, 50K, 100K, 1M Bytes
Handshaking control is performed in each mode.
Data received from the host is stored in the receive buffer.
Busy control is performed.
Signal lead control is performed.