XR68C192 EXAR [Exar Corporation], XR68C192 Datasheet - Page 26

• Manufacturer Part Number: XR68C192
• Description: DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
• Manufacturer: EXAR [Exar Corporation]

XR68C92/192
Rev. P1.10
-D A C K
-D A C K
D 7 -D 0
D 7 -D 0
A 4 -A 1
A 4 -A 1
R /-W
R /-W
-C S
-C S
T
T
A S
A S
Figure 2: Bus Timing (Read/Write cycle)
T
D D
T
T
A K L
A K L
T
T
R W S
R W S
R e a d C y c le T im in g
W rite C y c le T im in g
V a lid D a ta
T
T
C S L
C S L
T
D S
26
T
T
A H
A H
T
T
A K T
A K T
T
T
T
T
R W H
R W H
D H
D F
T
T
A K H
A K H
T
T
C S H
C S H