XR16L570IL24-F Exar Corporation, XR16L570IL24-F Datasheet - Page 42

• Manufacturer Part Number: XR16L570IL24-F
• Description: 2.25 To 5.5V W/ 5V TOLERANT INPUT UART W/16 BYTE FIFO W/ POWER SAVE
• Manufacturer: Exar Corporation

Specifications of XR16L570IL24-F

• Features: *
• Number Of Channels: 1, UART
• Fifo's: 16 Byte
• Protocol: RS232, RS422
• Voltage - Supply: 1.62 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: 24-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

XR16L570
SMALLEST 1.62V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
F
F
IGURE
IGURE
RX
INT
IOR#
(Reading data out
of RX FIFO)
(Loading data
*INT is cleared when the ISR is read or when TX FIFO fills up to the trigger level.
into FIFO)
TX
INT*
IOW#
20. R
21. T
TX FIFO
Empty
enabled
RANSMIT
ECEIVE
IER[1]
Start
Bit
S
D0:D7
Stop
R
Bit
R
EADY
EADY
S
Start
T
Bit
I
ISR is read
SSR
S
NTERRUPT
D0:D7
I
NTERRUPT
D0:D7
TX FIFO fills up
to trigger level
T
Stop
Bit
T
Trigger Level or RX Data
RX FIFO fills up to RX
T
T
IMING
D0:D7
IMING
T
S
SSI
Timeout
D0:D7
[FIFO M
[FIFO M
S
T
D0:D7
S
42
ODE
D0:D7
T
ODE
WRI
T
]
]
T
S
T
SI
D0:D7
T
S
D0:D7
T
below trigger level
S
TX FIFO drops
T
RRI
D0:D7
T
S
ISR is read
D0:D7
T
RX FIFO drops
Trigger Level
below RX
S
T
D0:D7
T
S
Last Data Byte
Transmitted
D0:D7
REV. 1.0.1
RXINTDMA#
T
TX INT