XR16V2650IL32 EXAR [Exar Corporation], XR16V2650IL32 Datasheet - Page 41
XR16V2650IL32
Manufacturer Part Number
XR16V2650IL32
Description
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
Manufacturer
EXAR [Exar Corporation]
Datasheet
1.XR16V2650IL32.pdf
(47 pages)
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REV. P1.0.0
F
F
IGURE
IGURE
RXRDY#
RX
INT
IOR#
(Reading data out
of RX FIFO)
RXRDY#
RX
INT
IOR#
(Reading data out
of RX FIFO)
19. R
20. R
ECEIVE
ECEIVE
First Byte is
Received in
RX FIFO
Start
Start
Bit
S
Bit
S
D0:D7
D0:D7
R
R
Stop
EADY
EADY
Bit
Trigger Level or RX Data
RX FIFO fills up to RX
Stop
Bit
S
S
& I
& I
T
SSR
Timeout
D0:D7
D0:D7
NTERRUPT
NTERRUPT
T
T
Trigger Level or RX Data
RX FIFO fills up to RX
T
T
D0:D7
D0:D7
IMING
IMING
T
T
SSI
SSI
Timeout
[FIFO M
[FIFO M
PRELIMINARY
S
S
T
SSR
D0:D7
D0:D7
41
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO
ODE
ODE
T
T
, DMA D
, DMA E
S
S
D0:D7
D0:D7
T
NABLED
ISABLED
T
S
S
T
T
RRI
D0:D7
RRI
D0:D7
]
]
FOR
FOR
T
T
RX FIFO drops
RX FIFO drops
Trigger Level
Trigger Level
below RX
C
below RX
S
C
S
HANNELS
HANNELS
D0:D7
D0:D7
Empties
T
Empties
T
RR
T
FIFO
RR
T
FIFO
XR16V2650
RXINTDMA#
A & B
RXFIFODMA
A & B
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