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| XR19L212 Datasheet, PDF (45/52 Pages) Exar Corporation – TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER | |||
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REV. 1.0.0
XR19L212
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
FIGURE 15. 16 MODE (INTEL) DATA BUS READ TIMING
A0-
A2
TAS
CS#
Valid
Address
TCS
TRD
IOR#
D0-D7
TRDV
Valid
Data
TAH
TAS
TDY
Valid
Address
TCS
TRD
TDD
TRDV
Valid
Data
TAH
TDD
RDTm
FIGURE 16. 16 MODE (INTEL) DATA BUS WRITE TIMING
A0-
A2
CS#
IOW#
D0-D7
Valid
Address
TAS
TCS
TWR
Valid
Address
TAH
TAS
TCS
TAH
TDY
TWR
TDS
TDH
Valid
Data
TDS
Valid
Data
TDH
16Write
45
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