xr17l152im Exar Corporation, xr17l152im Datasheet - Page 53
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xr17l152im
Manufacturer Part Number
xr17l152im
Description
3.3v Pci Bus Dual Uart
Manufacturer
Exar Corporation
Datasheet
1.XR17L152IM.pdf
(55 pages)
- Current page: 53 of 55
- Download datasheet (514Kb)
XR17L152
3.3V PCI BUS DUAL UART
REV. 1.1.0
F
F
IGURE
IGURE
Transmit Trigger Level
RX Data Ready Interrupt at
21. T
22. R
Receive Trigger Level
TX Interrupt at
RX Data Input
TX Data
RANSMIT
ECEIVE
D
D
ATA
ATA
R
START
I
EADY
START
NTERRUPT AT
BIT
BIT
I
D0
NTERRUPT AT
Trigger Level
Set at Below
D0
D1
D1
5 DATA BITS
BAUD RATE CLOCK of 16X or 8X
T
RIGGER
6 DATA BITS
D2
7 DATA BITS
DATA BITS (5-8)
D2
DATA BITS (5-8)
below trigger level
T
De-asserted at
RIGGER
L
D3
EVEL
D3
53
D4
L
D4
EVEL
D5
D5
Trigger Level
Clear at
Above
D6
D6
D7
D7
PARITY
PARITY
BIT
BIT
STOP
STOP
DISCONTINUED
BIT
BIT
First byte that
above trigger
reaches the
trigger level
Asserted at
START
NEXT
DATA
level
BIT
áç
áç
áç
áç
TXNOFIFO-1
RXFIFO1
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