XR16V2550 Datasheet, PDF (39/48 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 16-BYTE FIFO

REV. P1.0.0
FIGURE 13. CLOCK TIMING
VIH
External
Clock
VIL
PRELIMINARY
XR16V2550
HIGH PERFORMANCE DUART WITH 16-BYTE FIFO
T_ECH
T_ECLK
T_ECL
FIGURE 14. MODEM INPUT/OUTPUT TIMING FOR CHANNELS A & B
IOW #
RTS#
DTR#
Active
Change of state
T_{W DO}
Change of state
CD#
CTS#
DSR#
INT
IOR#
R I#
T_MOD
Change of state
Change of state
Active
A c tiv e
T_MOD
T_RSI
Active
Active
Active
A c tiv e
T_MOD
Change of state
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