XR88C92CJ EXAR [Exar Corporation], XR88C92CJ Datasheet - Page 26

• Manufacturer Part Number: XR88C92CJ
• Description: DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
• Manufacturer: EXAR [Exar Corporation]

XR88C92/192
T
T
A S
A H
A 3 -A 0
T
T
R W S
R W H
-IO R /
-IO W
T
-C S
C S L
T
C S H
T
T
D D
D F
D 7 -D 0
V alid D ata
(R e a d )
T
D S
T
D 7 -D 0
D H
(W rite )
V alid D ata
R e a d /W rite C ycle Tim in g
Figure 3: Bus Timing (Read/Write cycle)
IP6-IP0
T9s
T9h
-IOR
XR92-IP
Figure 4: Input Port Timing
-IOW
T10d
OP7-OP0
Old Data
New Data
XR92-OP
Figure 5: Output Port Timing
Rev. 1.31
26