ST16C452 Datasheet, PDF (24/30 Pages) Exar Corporation – DUAL UART WITH PARALLEL PRINTER PORT

ST16C452/452PS
A0-A 2
-CS
-IO R
D0 -D7
Va lid
Add ress
T6s
A ct iv e
T 7w
Va lid
Add ress
T7 h
T6s
T7 h
T 7w
A ct iv e
T9 d
A ct iv e
T12 d
Va lid
Da ta
T12 h
T12 d
T12 h
Va lid D a ta
X 552 -R D-2
General read timing
A0-A2
-C S
-IOW
D 0-D 7
Va lid
A ddress
T6s
A ctive
T13w
A ctive
T16s
D a ta
Va lid
A ddress
T7h
T6s
T7h
A ctive
T15d
T13w
T16h
T16s ^T16h
D a ta
X552-RD-2
General write timing
Rev. 3.20
24