XR16C864 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XR16C864' PDF : 51 Pages View PDF
XR16C864
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
FIGURE 16. 16 MODE (INTEL) DATA BUS WRITE TIMING FOR CHANNELS A-D
REV. 2.2.0
A0-A7
CS#
IOW#
D0-D7
Valid Address
TAS
TCS
TWR
Valid Address
TAH
TAS
TCS
TAH
TDY
TWR
TDS
TDH
Valid Data
TDS
TDH
Valid Data
16Write
FIGURE 17. 68 MODE (MOTOROLA) DATA BUS READ TIMING FOR CHANNELS A-D
A0-A7
CS#
R/W#
D0-D7
TADS
Valid Address
TCSL
TADH
TRWS
TRDA
TCSD
TRWH
Valid Data
TRDH
Valid Address
Valid Data
68Read
46
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