xr16m698 Exar Corporation, xr16m698 Datasheet - Page 32

• Manufacturer Part Number: xr16m698
• Description: 1.62v To 3.63v High Performance Octal Uart With 32-byte Fifo
• Manufacturer: Exar Corporation

XR16M698
1.62V TO 3.63V HIGH PERFORMANCE OCTAL UART WITH 32-BYTE FIFO
A
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 1
0 0 1 0
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
A3-A0
DDRESS
T
ABLE
FCTR
N
MCR
MSR
MSR
Rsvd
RHR
DLM
THR
DLD
FCR
LCR
LSR
SPR
EFR
R
DLL
IER
ISR
13: UART C
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
R
R
R
R
R
/
HANNEL
DSR# Int.
CTS/DSR
Prescaler
RX FIFO
RX FIFO
RS-485
Enable
Enable
Trigger
Divisor
Enable
E
Enable
FIFOs
DLY-3
B
CTS/
BRG
Bit-7
Bit-7
Bit-7
Bit-7
Bit-7
Auto
RROR
CD
IT
0/
0/
0
0
0
-7
C
ONFIGURATION
RTS/DTR
DTR# Int.
Transmit-
ter Empty
RX FIFO
RS-485
Enable
Enable
Trigger
Enable
Enable
Set TX
FIFOs
DLY-2
Break
B
RTS/
Bit-6
Bit-6
Bit-6
Bit-6
Bit-6
Auto
IR
RI
IT
0/
0/
0
0
0
-6
Set Parity Even Par-
Xon/Xoff/
Sp. Char.
Flow Cntl
Auto RS-
TX FIFO
TX FIFO
XonAny
RS-485
Special
Enable
Trigger
Enable
Empty
Select
Delta-
DLY-1
B
DSR
Char
Bit-5
Bit-5
Bit-5
Bit-5
Bit-5
485
Int.
IT
0/
0/
0/
0/
0
0
-5
R
EGISTERS
32
Xoff/special
Loopback
RX Break
FCR[5:4],
IER [7:5],
ISR [5:4],
MCR[7:5,
MSR[7:0]
TX FIFO
Invert IR
RX Input
Internal
RS-485
Trigger
Enable
Enable
DLY-0
B
Bit-4
Bit-4
Bit-4
Bit-4
char
CTS
Bit-4
3:2]
ity
IT
0/
0/
0
0
0
-4
D
ESCRIPTION
Status Int.
RX Fram-
Flow Cntl
Software
ing Error
Immedi-
TX char
Modem
Disable
Source
Enable
Enable
(OP2)
Parity
Mode
B
DMA
Delta
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
CD#
INT
ate
TX
IT
0
0
-3
1
.
Status Int.
RTS/DTR
RX Parity
Flow Cntl
Stop Bits
Software
TX FIFO
Flow Sel
RX Line
S
Disable
Enable
Source
(OP1)
Reset
B
Delta
HADED BITS ARE ENABLED BY
Error
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
Bit-2
INT
RI#
RX
IT
0
0
-2
1
TX Ready
RTS# Pin
RX Over-
Flow Cntl
RX FIFO
Software
Source
Control
Enable
Length
Reset
DSR#
Word
B
Delta
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
INT
run
Int.
IT
0
0
0
-1
DTR# Pin
Flow Cntl
Software
RX Data
RX Data
Control
Enable
Source
Enable
Length
FIFOs
Ready
CTS#
Mode
B
Word
Delta
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
Bit-0
9-bit
INT
Int.
IT
0
0
EFR B
-0
REV. 1.0.0
IT
User Data
C
LCR[7]=0
LCR[7]=0
LCR[7]=1
LCR[7]=1
LCR[7]=1
LCR[7]=0
LCR[7]=0
LCR[7]=0
-4.
OMMENT