ST16C1450CJ28 EXAR [Exar Corporation], ST16C1450CJ28 Datasheet - Page 14

• Manufacturer Part Number: ST16C1450CJ28
• Description: 2.97V TO 5.5V UART
• Manufacturer: EXAR [Exar Corporation]

ST16C1450/51
2.97V TO 5.5V UART
.
A
A2-A0
DDRESS
0 0 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
T
ABLE
N
MCR
MSR
RHR
THR
SPR
DLM
LCR
LSR
R
DLL
IER
ISR
AME
EG
3: INTERNAL REGISTERS DESCRIPTION.
RD/WR
RD/WR Divisor
RD/WR
RD/WR
RD/WR
RD/WR
R
W
WR
RD
RD
RD
RD
EAD
RITE
/
Enable
Power
Down
Mode
B
Input
Bit-7
Bit-7
Bit-7
Bit-7
Bit-7
CD#
IT
0/
0
0
0
-7
Set TX
THR &
Empty
Break
B
Input
Bit-6
Bit-6
TSR
Bit-6
Bit-6
Bit-6
RI#
IT
0
0
0
-6
16C550 Compatible Registers
Baud Rate Generator Divisor
MCR bits
Special
Enable
(Enable
Empty
DSR#
Parity
Mode
B
Input
Bit-5
Bit-5
THR
Bit-5
Bit-5
Bit-5
7, 2)
Set
IT
0
0
-5
14
Internal
Enable
Parity
Loop-
Break
CTS#
B
Even
Input
Bit-4
Bit-4
back
Bit-4
Bit-4
Bit-4
RX
IT
0
0
-4
S
HADED BITS ARE ENABLED WHEN
Framing
(OP2#)/
Modem
Source
Enable
Enable
Output
Enable
Status
Parity
B
Delta
Error
Bit-3
Bit-3
Bit-3
Bit-3
Bit-3
CD#
Bit-3
INT
INT
Int.
RX
IT
-3
RX Line
(OP1#)/ RTS#
Source
Enable
Status
SOFT
Reset
Parity
B
Delta
Error
Bit-2
Bit-2
Bit-2
Stop
Bit-2
Bit-2
Bit-2
Bits
INT
RI#
Int.
RX
IT
-2
Source
Control
Enable
Length
Output
Empty
DSR#
Over-
B
Word
Delta
Error
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
Bit-1
INT
run
TX
Int.
RX
IT
-1
Control
EFR B
Enable
Source
Length
Output
Ready
DTR#
CTS#
B
Word
Delta
Bit-0
Bit-0
Data
Bit-0
Bit-0
Data
Bit-0
Bit-0
Bit-0
INT
RX
Int.
RX
áç
áç
áç
áç
IT
-0
IT
-4=1
LCR[7] = 0
LCR[7] = 0
LCR[7] = 1
C
REV. 4.2.0
OMMENT