XR68C192 Datasheet, PDF (28/32 Pages) Exar Corporation – DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER

XR68C92/192
IP6-IP0
-CS
T9s
T9h
Figure 5: Input Port Timing
XR6892-IP
R/-W
OP7-OP0
R/-W
-CS
-INT
Old Data
T10d
New Data
XR6892-OP
Figure 6: Output Port Timing
T11d
T11d
Figure 7: Interrupt Timing
XR6892-NT
ExCLK
T1w
T2w
T3w
Figure 8: External clock Timing
XR92-CK
Rev. P1.10
28