xr88c681 Exar Corporation, xr88c681 Datasheet - Page 93
xr88c681
Manufacturer Part Number
xr88c681
Description
Cmos Dual Channel Uart Duart
Manufacturer
Exar Corporation
Datasheet
1.XR88C681.pdf
(101 pages)
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Rev. 2.11
D0 - D7
-IACK
-INTR
-RD
IEI
IEO
t
DIO
t
IAS
Figure 53. XR88C681 Z Mode Interrupt Cycle Timing
FLOAT
t
t
DIO
EOD
t
EIS
t
VALID
DD
NOT
t
RW
93
VECTOR
t
DF
t
IAH
FLOAT
XR88C681
RESET IUS
COMMAND