XR16L580 Datasheet, PDF (39/47 Pages) Exar Corporation – SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

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REV. 1.2.0
XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
FIGURE 17. 16 MODE (INTEL) DATA BUS WRITE TIMING
A0-
A2
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
Valid
Data
T_DH
16Write
FIGURE 18. 68 MODE (MOTOROLA) DATA BUS READ TIMING
A0-A2
CS#
R/W#
D0-D7
TADS
Valid Address
TCSL
TADH
TRWS
TRDA
TCSD
TRWH
Valid Data
TRDH
Valid Address
Valid Data
68Read
39