XR16C854IJ-F Exar Corporation, XR16C854IJ-F Datasheet - Page 47

• Manufacturer Part Number: XR16C854IJ-F
• Description: IC UART FIFO 128B QUAD 68PLCC
• Manufacturer: Exar Corporation

Specifications of XR16C854IJ-F

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 128 Byte
• Protocol: RS232, 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
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• No. Of Channels: 4
• Data Rate: 2Mbps
• Supply Voltage Range: 2.97V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: PLCC
• No. Of Pins: 68
• Termination Type: SMD
• Uart Features: Tx/Rx FIFO Counters
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

xr
REV. 3.0.1
F
F
IGURE
IGURE
RX
INT
RXRDY#
IOR#
(Reading data out
of RX FIFO)
RX
INT
RXRDY#
IOR#
(Reading data out
of RX FIFO)
22. R
23. R
ECEIVE
ECEIVE
First Byte is
Received in
RX FIFO
Start
Start
Bit
Bit
S
S
D0:D7
D0:D7
R
R
Stop
Bit
EADY
EADY
Trigger Level or RX Data
RX FIFO fills up to RX
Stop
Bit
S
S
& I
T
& I
SSR
D0:D7
Timeout
D0:D7
NTERRUPT
NTERRUPT
T
T
Trigger Level or RX Data
RX FIFO fills up to RX
T
T
D0:D7
D0:D7
T
IMING
IMING
T
SSI
Timeout
SSI
[FIFO M
[FIFO M
S
S
T
D0:D7
SSR
D0:D7
47
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
ODE
ODE
T
T
, DMA D
, DMA E
S
S
D0:D7
D0:D7
T
NABLED
ISABLED
T
S
T
S
RRI
D0:D7
T
RRI
D0:D7
]
]
FOR
FOR
T
T
RX FIFO drops
Trigger Level
RX FIFO drops
Trigger Level
below RX
S
C
C
below RX
S
HANNELS
HANNELS
D0:D7
D0:D7
Empties
T
RR
T
FIFO
Empties
T
XR16C854/854D
T
FIFO
RR
RXINTDMA#
A-D
A-D
RXFIFODMA