xr16l2450im Exar Corporation, xr16l2450im Datasheet - Page 25

• Manufacturer Part Number: xr16l2450im
• Description: Industry Smallest Package Uart With 2.25v To 5.5v Operation
• Manufacturer: Exar Corporation

xr
REV. 1.1.1
F
F
IGURE
IGURE
INT
INT*
IOW#
RX
IOR#
(Reading data
out of RHR)
TX
(Unloading)
(Loading data
into THR)
*INT is cleared when the ISR is read or when data is loaded into the THR.
12. I
13. I
IER[1]
enabled
NTERRUPT
NTERRUPT
T
WRI
T
INT
Start
Start
Bit
Bit
T
T
IMING FOR
IMING FOR
ISR is read
D0:D7
D0:D7
C
C
T
HANNELS
HANNELS
WRI
Stop
Stop
Bit
Bit
T
T
INT
RSI
in RHR
1 Byte
T
SSI
A & B
A & B
ISR is read
D0:D7
D0:D7
25
T
RSI
in RHR
1 Byte
T
SSI
T
WRI
T
INT
D0:D7
ISR is read
2.25V TO 5.5V DUART
D0:D7
TXNonFIFO
T
RSI
in RHR
1 Byte
XR16L2450
T
RXNFM
SSI