ST16C2450 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'ST16C2450' PDF : 30 Pages View PDF
ST16C2450
2.97V TO 5.5V DUART
FIGURE 12. INTERRUPT TIMING FOR CHANNELS A & B
xr
REV. 4.0.1
RX
Start
Bit
D0:D7
Stop
Bit
D0:D7
TSSI
TSSI
1 Byte
1 Byte
INT
in RHR
in RHR
IOR#
(Reading data
out of RHR)
TRSI
TRSI
FIGURE 13. INTERRUPT TIMING FOR CHANNELS A & B
D0:D7
TSSI
1 Byte
in RHR
TRSI
RXNFM
TX
(Unloading)
IER[1]
enabled
Start
Bit
TINT
D0:D7
Stop
Bit
TINT
INT*
TWRI
TWRI
ISR is read
IOW#
(Loading data
into THR)
D0:D7
ISR is read
D0:D7
TINT
TWRI
ISR is read
*INT is cleared when the ISR is read or when data is loaded into the THR.
TXNonFIFO
24
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