參數(shù)資料
型號: XR16L2751IM
廠商: EXAR CORP
元件分類: 微控制器/微處理器
英文描述: 2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
中文描述: 2 CHANNEL(S), 6.25M bps, SERIAL COMM CONTROLLER, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件頁數(shù): 29/52頁
文件大?。?/td> 618K
代理商: XR16L2751IM
XR16L2751
2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
REV. 1.0.0
á
29
4.7
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.
Line Control Register (LCR) - Read/Write
T
ABLE
11: T
RANSMIT
AND
R
ECEIVE
FIFO T
RIGGER
L
EVEL
S
ELECTION
FCTR
B
IT
-5
FCTR
B
IT
-4
FCR
B
IT
-7
FCR
B
IT
-6
FCR
B
IT
-5
FCR
BIT
-4
R
ECEIVE
T
RIGGER
L
EVEL
T
RANSMIT
T
RIGGER
L
EVEL
C
OMPATIBILITY
0
0
0
0
1
1
0
1
0
1
0
0
1 (default)
4
8
14
1 (default)
Table-A. 16C550, 16C2550,
16C2552, 16C554, 16C580
compatible.
0
1
0
0
1
1
0
1
0
1
0
0
1
1
0
1
0
1
8
16
24
28
16
8
24
30
Table-B. 16C650A compatible.
1
0
0
0
1
1
X
0
1
0
1
X
0
0
1
1
0
1
0
1
8
16
56
60
8
16
32
56
Table-C. 16C654 compatible.
1
1
X
X
Programmable
via TRG
register.
FCTR[7] = 0.
Programmable
via TRG
register.
FCTR[7] = 1.
Table-D. 16C850, 16L2750,
16L2752, 16C2850, 16C2852,
16C854, 16C864, 16C872 com-
patible.
BIT-1
BIT-0
W
ORD
LENGTH
0
0
5 (default)
0
1
6
1
0
7
1
1
8
相關(guān)PDF資料
PDF描述
XR16L2752 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
XR16L2752CJ 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
XR16L2752IJ 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
XR16L580 SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
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