XR88C681CP/28 EXAR [Exar Corporation], XR88C681CP/28 Datasheet - Page 93

• Manufacturer Part Number: XR88C681CP/28
• Description: CMOS Dual Channel UART (DUART)
• Manufacturer: EXAR [Exar Corporation]

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