xr16m2751 Exar Corporation, xr16m2751 Datasheet - Page 49
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xr16m2751
Manufacturer Part Number
xr16m2751
Description
High Performance Duart With 64-byte Fifo And Powersave
Manufacturer
Exar Corporation
Datasheet
1.XR16M2751.pdf
(53 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr16m2751IM48-F
Manufacturer:
Exar Corporation
Quantity:
10 000
REV. 1.0.0
F
IGURE
(Unloading)
(Loading data
*INT cleared when the ISR is read or when TX FIFO fills up to trigger level.
24. T
into FIFO)
TX
INT*
TXRDY#
IOW#
RANSMIT
enabled
IER[1]
Start
Bit
S
R
D0:D7
EADY
ISR Read
Stop
Bit
T
& I
S
D0:D7
NTERRUPT
TX FIFO fills up
to trigger level
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
T
T
IMING
D0:D7
[FIFO M
S
TX FIFO
49
Full
D0:D7
T
WRI
ODE
T
, DMA M
T
SRT
S
D0:D7
ODE
T
WT
T
E
S
NABLED
D0:D7
below trigger level
TX FIFO drops
T
]
T
SI
empty location
FOR
At least 1
in FIFO
ISR Read
C
S
HANNELS
XR16M2751
Last Data Byte
Transmitted
D0:D7
TXDMA
T
A & B