XR16L580 Datasheet, PDF (38/47 Pages) Exar Corporation – SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE

XR16L580
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
FIGURE 15. MODEM INPUT/OUTPUT TIMING
IOW#
RTS#
DTR#
Change of state
T_WDO
Change of state
áç
REV. 1.2.0
CD#
CTS#
DSR#
INT
IOR#
RI#
T_MOD
Change of state
Change of state
Activ
e
Activ
e
T_RSI
T_MOD
Activ
e
Activ
e
Activ
e
Activ
e
T_MOD
Change of state
FIGURE 16. 16 MODE (INTEL) DATA BUS READ TIMING
A0-
A2
T_AS
CS#
Valid
Address
T_CS
T_RD
IOR#
D0-D7
T_RDV
Valid
Data
T_AH
T_AS
T_DY
Valid
Address
T_CS
T_RD
T_DD
T_RDV
Valid
Data
T_AH
T_DD
RDTm
38