XR16L784IV-F Exar Corporation, XR16L784IV-F Datasheet - Page 31

• Manufacturer Part Number: XR16L784IV-F
• Description: IC UART 8B 3.3V QUAD 64LQFP
• Manufacturer: Exar Corporation
• Type: IrDA or RS- 485r

Specifications of XR16L784IV-F

• Number Of Channels: 4, QUART
• Package / Case: 64-LQFP
• Features: *
• Fifo's: 64 Byte
• Protocol: RS485
• Voltage - Supply: 2.97 V ~ 5.5 V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Data Rate: 6.25 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.97 V
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 3.3 V or 5 V
• No. Of Channels: 4
• Uart Features: Tx/Rx FIFO Counters
• Supply Voltage Range: 2.97V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: LQFP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1282

REV. 1.2.3
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
RIGGER
T
ABLE
Line Control Register (LCR) - Read/Write
FCTR
B
IT
0
0
1
1
T
-7
ABLE
FCTR
B
14: T
IT
0
1
0
1
-6
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
31
BIT
FCR
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
X
0
0
1
0
1
0
1
0
1
-4
RIGGER
W
T
Programmable
RIGGER
ORD LENGTH
5 (default)
via RXTRG
1 (default)
R
register.
T
ABLE AND
ECEIVE
6
7
8
14
16
24
28
16
56
60
4
8
8
8
L
EVEL
L
Programmable
EVEL
via TXTRG
1 (default)
T
T
register.
RANSMIT
RIGGER
L
EVEL
16
24
30
16
32
56
8
8
S
ELECTION
16C550, 16C2550,
16C2552, 16C554,
16C580
16C650A
16C654
16L2752, 16L2750,
16C2852, 16C850,
16C854, 16C864
C
XR16L784
OMPATIBILITY