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PC16552D 数据表(PDF) 13 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 PC16552D
功能描述  Dual Universal Asynchronous Receiver/Transmitter with FIFOs
PDF  21 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

PC16552D 数据表(HTML) 13 Page - National Semiconductor (TI)

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80 Registers
TABLE I Register Addresses
DLAB1
CHSL
A2
A1
A0
Register
0
1
0
0
0
Receiver Buffer (Read)
Transmitter Holding
Register (Write)
0
1
0
0
1
Interrupt Enable
C
0
1
0
1
0
Interrupt Identification (Read)
H
0
1
0
1
0
FIFO Control (Write)
A
X
1
0
1
1
Line Control
N
X
1
1
0
0
MODEM Control
N
X
1
1
0
1
Line Status
E
X
1
1
1
0
MODEM Status
L
X
1
1
1
1
Scratch
1
1
0
0
0
Divisor Latch
1
(Least Significant Byte)
1
1
0
0
1
Divisor Latch
(Most Significant Byte)
1
1
0
1
0
Alternate Function
DLAB2
CHSL
A2
A1
A0
Register
0
0
0
0
0
Receiver Buffer (Read)
Transmitter Holding
Register (Write)
0
0
0
0
1
Interrupt Enable
C
0
0
0
1
0
Interrupt Identification (Read)
H
0
0
0
1
0
FIFO Control (Write)
A
X
0
0
1
1
Line Control
N
X
0
1
0
0
MODEM Control
N
X
0
1
0
1
Line Status
E
X
0
1
1
0
MODEM Status
L
X
0
1
1
1
Scratch
1
0
0
0
0
Divisor Latch
2
(Least Significant Byte)
1
0
0
0
1
Divisor Latch
(Most Significant Byte)
1
0
0
1
0
Alternate Function
13



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