XR16V654_0709 Datasheet, PDF (46/58 Pages) Exar Corporation – 2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO

XR16V654/654D
2.25V TO 3.6V QUAD UART WITH 64-BYTE FIFO
FIGURE 18. 16 MODE (INTEL) DATA BUS WRITE TIMING FOR CHANNELS A-D
REV. 1.0.2
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
FIGURE 19. 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
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