NS16C2552TVSX/NOPB National Semiconductor, NS16C2552TVSX/NOPB Datasheet - Page 9
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NS16C2552TVSX/NOPB
Manufacturer Part Number
NS16C2552TVSX/NOPB
Description
IC UART DUAL 16BYTE 48-TQFP
Manufacturer
National Semiconductor
Datasheet
1.NS16C2552TVSXNOPB.pdf
(44 pages)
Specifications of NS16C2552TVSX/NOPB
Features
Programmable
Number Of Channels
2, DUART
Fifo's
16 Byte
Voltage - Supply
2.97 V ~ 5.5 V
With Auto Flow Control
Yes
With Irda Encoder/decoder
Yes
With Modem Control
Yes
Mounting Type
Surface Mount
Package / Case
48-VFQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
NS16C2552TVSX
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NS16C2552TVSX/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
6.0 Register Set
There are two identical register sets, one for each channel, in
the DUART. All register descriptions in this section apply to
the register sets in both channels.
To clarify the descriptions of transmission and receiving op-
erations, the nomenclatures through out this documentation
are as follows:
C
H
A
N
N
E
C
H
A
N
N
E
L
1
L
2
DLAB1
DLAB1
0
0
0
0
1
1
1
0
0
0
0
1
1
1
x
x
x
x
x
x
x
x
x
x
CHSL
CHSL
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
A2
A2
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
TABLE 1. Basic Register Addresses
A1
A1
0
0
1
1
1
0
0
1
1
0
0
1
0
0
1
1
1
0
0
1
1
0
0
1
9
A0
A0
0
1
0
0
1
0
1
0
1
0
1
0
0
1
0
0
1
0
1
0
1
0
1
0
•
•
•
•
The address and control pins to register selection is summa-
rized in Table 1.
Frame - Refers to all the bits between Start and Stop.
Character or word - The payload of a frame, between 5 to
8 bits.
“!=” - Not equal to.
Res - Reserved bit.
Receive Buffer (Read), Transmitter Holding Register
(Write)
Interrupt Enable
Interrupt Identification (Read)
FIFO Control (Write)
Line Control
Modem Control
Line Status (Read)
Modem Status (Read)
Scratchpad
Divisor Latch (Least Significant Byte)
Divisor Latch (Most Significant Byte)
Alternate Function
Receive Buffer (Read), Transmitter Holding Register
(Write)
Interrupt Enable
Interrupt Identification (Read)
FIFO Control (Write)
Line Control
Modem Control
Line Status (Read)
Modem Status (Read)
Scratchpad
Divisor Latch (Least Significant Byte)
Divisor Latch (Most Significant Byte)
Alternate Function
Register
Register
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