Oki OKIPAGE8c Maintenance Manual page 191

4) Signal level
• LOW : 0 V to +0.8 V
• HIGH : +2.4 V to +5.0 V
5) Specifications
Item
Mode
Data bit length
Input prime
Receive buffer
Control
6) Timing charts
Data receiving timing
DATA BITs 1 to 8
DATA STOROBE
BUSY
ACK
Compatibility mode, Nibble mode, ECP mode
8 bits: Compatibility mode, 4 bits: Nibble mode, 9 bits: ECP 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.
0.5 µs min.
0.5 µs min.
0.5 µs max.
0 min.
0.5 µs to 10 µs
A - 3
Description
0.5 µs min.
0.5 µs min.
0 min.
0 min.
0 min.