xr16v2752il Exar Corporation, xr16v2752il Datasheet - Page 44
xr16v2752il
Manufacturer Part Number
xr16v2752il
Description
High Performance Duart With 64-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16V2752IL.pdf
(51 pages)
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XR16V2752
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
F
F
IGURE
IGURE
RXRDY#
INT*
IOW#
RX
INT
TXRDY#
(Loading data
into THR)
IOR#
(Reading data
out of RHR)
TX
*INT is cleared when the ISR is read or when data is loaded into the THR.
17. R
18. T
IER[1]
enabled
RANSMIT
ECEIVE
T
WRI
R
T
Start
Start
Bit
WT
R
EADY
Bit
EADY
& I
ISR is read
D0:D7
T
& I
D0:D7
SRT
NTERRUPT
NTERRUPT
T
WRI
Stop
Stop
Bit
Bit
T
RR
T
in RHR
1 Byte
Ready
Active
IMING
T
T
T
Data
T
IMING
SSR
SSR
WT
[N
[N
ISR is read
ON
T
ON
D0:D7
D0:D7
SRT
44
-FIFO M
-FIFO M
ODE
ODE
T
RR
in RHR
1 Byte
]
Active
Ready
T
T
Data
]
FOR
SSR
SSR
FOR
T
C
WRI
C
HANNELS
HANNELS
T
WT
D0:D7
A & B
A & B
ISR is read
D0:D7
T
SRT
TXNonFIFO
T
RR
T
in RHR
1 Byte
Active
Ready
SSR
T
Data
SSR
RXNFM
REV. 1.0.2
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