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ST16C1450CQ48 Fiches technique(PDF) 11 Page - Exar Corporation

No de pièce ST16C1450CQ48
Description  2.97V TO 5.5V UART
Download  28 Pages
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Fabricant  EXAR [Exar Corporation]
Site Internet  http://www.exar.com
Logo EXAR - Exar Corporation

ST16C1450CQ48 Fiches technique(HTML) 11 Page - Exar Corporation

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ST16C1450
REV. 4.2.1
2.97V TO 5.5V UART
11
.
TABLE 3: INTERNAL REGISTERS DESCRIPTION. SHADED BITS ARE ENABLED WHEN EFR BIT-4=1
ADDRESS
A2-A0
REG
NAME
READ/
WRITE
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
COMMENT
16C550 Compatible Registers
0 0 0
RHR
RD
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
LCR[7] = 0
0 0 0
THR
WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
0 0 1
IER
RD/WR
0
0
Special
Mode
Enable
(Enable
MCR bits
7, 2)
0
Modem
Status
Int.
Enable
RX Line
Status
Int.
Enable
TX
Empty
Int.
Enable
RX
Data
Int.
Enable
0 1 0
ISR
RD
0
0
0
0
INT
Source
Bit-3
INT
Source
Bit-2
INT
Source
Bit-1
INT
Source
Bit-0
0 1 1
LCR
RD/WR Divisor
Enable
Set TX
Break
Set
Parity
Even
Parity
Parity
Enable
Stop
Bits
Word
Length
Bit-1
Word
Length
Bit-0
1 0 0
MCR
RD/WR
0/
0
0
Internal
Loop-
back
Enable
(OP2#)/
INT
Output
Enable
(OP1#)/ RTS#
Output
Control
DTR#
Output
Control
LCR[7] = 0
Power
Down
Mode
SOFT
Reset
1 0 1
LSR
RD
0
THR &
TSR
Empty
THR
Empty
RX
Break
RX
Framing
Error
RX
Parity
Error
RX
Over-
run
Error
RX
Data
Ready
1 1 0
MSR
RD
CD#
Input
RI#
Input
DSR#
Input
CTS#
Input
Delta
CD#
Delta
RI#
Delta
DSR#
Delta
CTS#
1 1 1
SPR
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
Baud Rate Generator Divisor
0 0 0
DLL
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0
LCR[7] = 1
0 0 1
DLM
RD/WR
Bit-7
Bit-6
Bit-5
Bit-4
Bit-3
Bit-2
Bit-1
Bit-0


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