24
Optional parallel interface
Interface: Conforms with Centronics parallel interface standard
Data transfer speed: 1000 ~ 5000 CPS
Synchronization: External strobe pulse
Handshaking: Using ACK and BUSY
Logic level: TTL-level compatible
TTT
A C K
DATA
STROBE
BUSY
T: At least 0.5µs
Approx. 9µs