xr16c850im Exar Corporation, xr16c850im Datasheet - Page 32
![no-image](/images/manufacturer_photos/0/2/243/exar_corporation_sml.jpg)
xr16c850im
Manufacturer Part Number
xr16c850im
Description
Uart With 128-byte Fifos And Infrared Irda Encoder/decoder
Manufacturer
Exar Corporation
Datasheet
1.XR16C850IM.pdf
(56 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr16c850im-F
Manufacturer:
TI
Quantity:
418
Company:
Part Number:
xr16c850im-F
Manufacturer:
Exar Corporation
Quantity:
10 000
Company:
Part Number:
xr16c850imTR-F
Manufacturer:
Exar Corporation
Quantity:
10 000
XR16C850
2.97V TO 5.5V UART WITH 128-BYTE FIFO
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-C
Table-D
Table-A
Table-B
T
RIGGER
ABLE
Line Control Register (LCR) - Read/Write
FCTR
B
IT
0
0
1
1
T
-5
ABLE
FCTR
B
10: T
IT
0
1
0
1
-4
RANSMIT AND
B
FCR
IT
X
0
0
1
1
0
0
1
1
0
0
1
1
BIT-1
-7
0
0
1
1
B
FCR
IT
X
0
1
0
1
0
1
0
1
0
1
0
1
-6
R
ECEIVE
BIT-0
B
FCR
0
1
0
1
IT
X
0
0
0
1
1
0
0
1
1
-5
FIFO T
32
BIT
FCR
X
0
0
1
0
1
0
1
0
1
RIGGER
-4
W
T
Programmable
FCTR[7] = 0.
RIGGER
5 (default)
ORD LENGTH
1 (default)
R
via TRG
register.
T
ABLE AND
ECEIVE
6
7
8
14
16
24
28
16
56
60
4
8
8
8
L
EVEL
L
Programmable
FCTR[7] = 1.
EVEL
1 (default)
T
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, 16L2750,
16C2852, 16C854,
16C864
xr
C
OMPATIBILITY
REV. 2.3.1