XR16L2551 Datasheet, PDF (41/48 Pages) Exar Corporation – LOW VOLTAGE DUART WITH POWERSAVE

áç
REV. 1.0.0
FIGURE 17. 16 MODE (INTEL) DATA BUS WRITE TIMING
XR16L2551
LOW VOLTAGE DUART WITH POWERSAVE
A0-A2
CSA#/
CSB#
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 18. 68 MODE (MOTOROLA) DATA BUS READ TIMING
A0-A3
CS#
R/W#
D0-D7
TADS
Valid
Address
TCSL
TADH
TRWS
TRDA
TCSD
TRWH
Valid
Data
TRDH
Valid
Address
Valid
Data
68Read
41