xr16m2750 Exar Corporation, xr16m2750 Datasheet - Page 29
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xr16m2750
Manufacturer Part Number
xr16m2750
Description
High Performance Duart With 64-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16M2750.pdf
(53 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr16m2750IM48-F
Manufacturer:
Exar Corporation
Quantity:
10 000
REV. 1.0.0
The Line Control Register is used to specify the asynchronous data communication format. The word or
character length, the number of stop bits, and the parity are selected by writing the appropriate bits in this
register.
LCR[1:0]: TX and RX Word Length Select
These two bits specify the word length to be transmitted or received.
4.6
T
Table-A
Table-B
Table-C
Table-D
T
RIGGER
ABLE
Line Control Register (LCR) - Read/Write
FCTR
B
IT
0
0
1
1
-5
T
ABLE
FCTR
B
IT
0
1
0
1
10: T
-4
RANSMIT AND
B
FCR
IT
0
0
1
1
0
0
1
1
0
0
1
1
X
-7
BIT-1
0
0
1
1
B
FCR
1.62V TO 3.63V HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
IT
X
0
1
0
1
0
1
0
1
0
1
0
1
-6
R
ECEIVE
B
FCR
BIT-0
IT
X
0
0
0
1
1
0
0
1
1
0
1
0
1
-5
FIFO T
BIT
FCR
29
X
0
0
1
0
1
0
1
0
1
-4
RIGGER
T
Programmable
FCTR[7] = 0.
RIGGER
W
1 (default)
R
via TRG
register.
ORD LENGTH
5 (default)
ECEIVE
T
14
16
24
28
16
56
60
ABLE AND
4
8
8
8
6
7
8
L
EVEL
Programmable
FCTR[7] = 1.
L
1 (default)
T
EVEL
T
register.
via TRG
RANSMIT
RIGGER
L
EVEL
16
24
30
16
32
56
8
8
S
ELECTION
16C550, 16C2550,
16C2552, 16C554,
16C580
16C650A
16C654
16L2752, 16C2850,
16C2852, 16C850,
16C854, 16C864
XR16M2750
C
OMPATIBILITY