xr17c152im Exar Corporation, xr17c152im Datasheet - Page 33
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xr17c152im
Manufacturer Part Number
xr17c152im
Description
5v Pci Bus Dual Uart
Manufacturer
Exar Corporation
Datasheet
1.XR17C152IM.pdf
(62 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
xr17c152im-F
Manufacturer:
Exar Corporation
Quantity:
10 000
áç
áç
áç
áç
REV. 1.2.0
T
A
ABLE
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 1
0 0 0 1
0 0 1 0
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 0
1 0 1 1
1 0 1 1
A3-A0
DDRESS
12: UART CHANNEL CONFIGURATION REGISTERS DESCRIPTION.
RXTRG
TXCNT
TXTRG
RXCNT
FCTR
N
MCR
RHR
DLM
MSR
MSR
THR
FCR
LCR
LSR
SPR
EFR
R
DLL
IER
ISR
AME
EG
W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
EAD
RITE
W
W
W
W
W
R
R
R
R
R
/
DSR# Int.
CTS/DSR
Prescaler
RX FIFO
RX FIFO
Enable
Enable
Trigger
Divisor
Enable
E
RS485
Enable
FIFOs
DLY-3
B
CTS/
Table
BRG
TRG
Bit-7
Bit-7
Bit-7
Bit-7
Bit-7
Auto
Bit-7
Bit-7
Bit-7
Bit-7
RROR
Bit-1
CD
IT
0/
0/
-7
DTR# Int.
RTS/DTR
RX FIFO
Enable
Enable
Trigger
Set TX
Enable
RS485
Enable
Empty
FIFOs
Break
DLY-2
B
Table
RTS/
Bit-6
Bit-6
Bit-6
Bit-6
Bit-6
TRG
Auto
Bit-6
Bit-6
Bit-6
Bit-6
TSR
Bit-0
IR
RI
IT
0/
0/
-6
Set Parity Even Par-
Xon/Xoff/
Sp. Char.
Flow Cntl
TX FIFO
XonAny
Special
Enable
Trigger
RS485
RS485
Enable
Empty
Select
Delta-
DLY-1
B
DSR
Char
Bit-5
Bit-5
Bit-5
Bit-5
THR
Bit-5
Auto
Bit-5
Bit-5
Bit-5
Bit-5
Int.
IT
0/
0/
0/
0/
-5
33
MCR[7:5,2]
RX Break
FCR[5:4],
IER [7:5],
ISR [5:4],
MSR[7:4]
Xoff/spe-
TX FIFO
RX Input
cial char
Lopback
Invert IR
Internal
Trigger
Enable
RS485
Enable
DLY-0
B
Bit-4
Bit-4
Bit-4
Bit-4
CTS
Bit-4
Bit-4
Bit-4
Bit-4
Bit-4
IT
ity
0/
0/
0
-4
Status Int.
Reserved Reserved Reserved Reserved
RTS/DTR
Hyst Bit-3
RX Fram-
Flow Cntl
ing Error
Software
Modem
Source
Enable
Enable
(OP2)
Mode
Parity
B
Delta
DMA
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
CD#
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
INT
IT
-3
1
Status Int.
RTS/DTR
RX Parity
RTS/DTR
Hyst Bit-2
Flow Cntl
Stop Bits
Software
TX FIFO
Flow Sel
RX Line
Source
(OP1)
Enable
Reset
B
Error
Delta
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
INT
RI#
IT
-2
S
1
HADED BITS ARE ENABLED BY
5V PCI BUS DUAL UART
TX Empty
RTS/DTR
Hyst Bit-1
RTS# Pin
RX Over-
Flow Cntl
RX FIFO
Software
Source
Control
Enable
Length
Reset
DSR#
B
Word
Delta
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
INT
Int.
run
IT
-1
DTR# Pin
Hyst Bit-0
RTS/DTR
Flow Cntl
Software
RX Data
RX Data
Source
Control
Enable
Enable
Length
Ready
FIFOs
CTS#
B
Word
Delta
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
INT
Int.
IT
-0
XR17C152
EFR B
User Data
C
LCR[7]=0
LCR[7]=0
LCR[7]=1
LCR[7]=1
OMMENT
IT
-4.