xr88c92 Exar Corporation, xr88c92 Datasheet - Page 26

• Manufacturer Part Number: xr88c92
• Description: Xr88c92 -dual Uart With 8 Bytes Transmit And Receive Fifo
• Manufacturer: Exar Corporation

XR88C92/192
T
T
AS
AH
A3-A0
T
T
RWS
RWH
-IOR/
-IOW
T
-CS
CSL
T
CSH
T
T
DD
DF
D7-D0
Valid Data
(Read)
T
DS
T
D7-D0
DH
Valid Data
(Write)
Read/Write Cycle Timing
Figure 3: Bus Timing (Read/Write cycle)
IP6-IP0
T9s
T9h
-IOR
XR92-IP
Figure 4: Input Port Timing
-IOW
T10d
OP7-OP0
Old Data
New Data
XR92-OP
Figure 5: Output Port Timing
Rev. 1.33
26