XR16V2650 Datasheet, PDF (38/47 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 32-BYTE FIFO

XR16V2650
PRELIMINARY
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
FIGURE 13. CLOCK TIMING
T_ECLK
VIH
External
Clock
VIL
T_ECH
T_ECL
REV. P1.0.0
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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