XR16C2552 Datasheet, PDF (28/36 Pages) Exar Corporation – 2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO

XR16C2552
2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
xr
REV. 1.0.0
FIGURE 12. CLOCK TIMING
EXTERNAL
CLOCK
CLK
CLK
OSC
FIGURE 13. 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#
RI#
T_MOD
Change of state
Change of state
Active
Active
T_MOD
T_RSI
Active
Active
Active
Active
T_MOD
Change of state
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