XR19L400 Datasheet, PDF (41/45 Pages) Exar Corporation – SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER

REV. P1.0.0
PRELIMINARY
XR19L400
SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
FIGURE 16. 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
FIGURE 17. 68 MODE (MOTOROLA) DATA BUS WRITE TIMING
Valid Address
Valid Data
68Read
A0-A2
CS#
R/W#
D0-D7
TADS
Valid Address
TCSL
TADH
TRWS
TCSD
TRWH
TWDS
Valid Data
T WDH
Valid Address
Valid Data
68Write
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