XR16L784IV-F Exar Corporation, XR16L784IV-F Datasheet - Page 47

• 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
F
F
F
IGURE
IGURE
IGURE
IN T # *
IO W #
RX
INT#
IOR#
(Reading data out
of RX FIFO)
T X
(U n lo a d in g )
(L o a d in g d a ta
in to T H R )
*T X in te rru p t is c le a re d w h e n th e IS R is re a d o r w h e n d a ta is lo a d e d in to th e T H R .
(Unloading)
(Loading data
*TX interrupt is cleared when the ISR is read or when TX FIFO fills up to the trigger level.
22. T
23. R
24. T
into FIFO )
TX
INT#*
IO W #
IE R [1 ]
e n a b le d
RANSMIT
RANSMIT
ECEIVE
T
TX FIFO
Em pty
W R I
enabled
IER [1]
Start
Bit
S
D0:D7
I
NTERRUPT
I
S ta rt
I
NTERRUPT
Trigger Level or RX Data
NTERRUPT
B it
RX FIFO fills up to RX
S
IS R is re a d
Start
Tim eout
B it
ISR is read
D 0 :D 7
S
D0:D7
D 0:D 7
T
T
IMING
T
TX FIFO fills up
IMING
IMING
to trigger level
T
T
S top
Bit
W R I
T
S to p
[FIFO M
B it
[N
[FIFO M
D0:D7
ON
T
S
SSI
-FIFO M
D 0:D 7
ODE
ODE
S
IS R is re a d
]
T
D0:D7
D 0 :D 7
]
S
47
ODE
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
D 0:D 7
T
W R I
T
]
below trigger level
T
S
TX FIFO drops
T
D0:D7
SI
T
S
D0:D 7
T
S
T
T
W R I
RRI
D0:D7
T
S
ISR is read
D 0:D 7
T
RX FIFO drops
Trigger Level
below RX
S
T
D0:D7
IS R is re a d
D 0 :D 7
T
T
RR
S
Last Data B yte
Transm itted
D 0:D 7
XR16L784
T