xr17l154iv Exar Corporation, xr17l154iv Datasheet - Page 54
xr17l154iv
Manufacturer Part Number
xr17l154iv
Description
3.3v Pci Bus Quad Uart
Manufacturer
Exar Corporation
Datasheet
1.XR17L154IV.pdf
(56 pages)
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áç
áç
áç
áç
F
F
DISCONTINUED
IGURE
IGURE
Transmit Trigger Level
21. T
22. R
RX Data Ready Interrupt at
TX Interrupt at
Receive Trigger Level
RX Data Input
TX Data
RANSMIT
ECEIVE
D
D
ATA
ATA
R
START
I
EADY
NTERRUPT AT
BIT
START
BIT
I
NTERRUPT AT
D0
Trigger Level
Set at Below
D0
D1
T
5 DATA BITS
BAUD RATE CLOCK of 16X or 8X
D1
RIGGER
6 DATA BITS
D2
7 DATA BITS
DATA BITS (5-8)
DATA BITS (5-8)
D2
T
below trigger level
RIGGER
De-asserted at
L
D3
EVEL
D3
54
L
D4
D4
EVEL
D5
Trigger Level
D5
Clear at
Above
D6
D6
D7
D7
PARITY
PARITY
BIT
BIT
3.3V PCI BUS QUAD UART
STOP
STOP
BIT
BIT
First byte that
above trigger
reaches the
trigger level
Asserted at
START
NEXT
DATA
BIT
level
TXNOFIFO-1
RXFIFO1
XR17L154
REV. 1.1.0
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