xr88c681 Exar Corporation, xr88c681 Datasheet - Page 94

• Manufacturer Part Number: xr88c681
• Description: Cmos Dual Channel Uart Duart
• Manufacturer: Exar Corporation

Rev. 2.11
OP0 - OP7
IP0 - IP6
-WR or
-RD or
-CS
-CS
Interrupt
Output
-RD or
-CS or
-WR
t
PS
OLD DATA
Figure 54. Port Timing
Figure 55. Interrupt Timing
94
t
PD
t
IR
t
PH
NEW DATA