XRT16C854 Datasheet, PDF (44/54 Pages) Exar Corporation – 2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO

XR16C854/854D
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
FIGURE 16. 16 MODE (INTEL) DATA BUS READ TIMING FOR CHANNELS A-D
xr
REV. 3.0.1
A0-A7
T_AS
CS#
Valid Address
T_CS
T_RD
IOR#
D0-D7
T_RDV
Valid Data
T_AH
T_DY
T_DD
Valid Address
T_AS
T_CS
T_AH
T_RD
T_RDV
T_DD
Valid Data
RDTm
FIGURE 17. 16 MODE (INTEL) DATA BUS WRITE TIMING FOR CHANNELS A-D
A0-A7
CS#
IOW#
D0-D7
Valid Address
T_AS
T_CS
T_WR
Valid Address
T_AH
T_AS
T_CS
T_AH
T_DY
T_WR
T_DS
T_DH
Valid Data
T_DS
T_DH
Valid Data
16Write
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