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ST16C550 Folha de dados(PDF) 1 Page - Exar Corporation

Nome de Peças ST16C550
Descrição Electrónicos  UART WITH 16-BYTE FIFO?셲
Download  35 Pages
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Fabricante Electrônico  EXAR [Exar Corporation]
Página de início  http://www.exar.com
Logo EXAR - Exar Corporation

ST16C550 Folha de dados(HTML) 1 Page - Exar Corporation

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EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
• (510) 668-7000 • FAX (510) 668-7017
ST16C550
Rev. 5.01
PLCC Package
UART WITH 16-BYTE FIFO’s
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
D5
D6
D7
RCLK
RX
N.C.
TX
CS0
CS1
-CS2
-BAUDOUT
RESET
-OP1
-DTR
-RTS
-OP2
N.C.
INT
-RXRDY
A0
A1
A2
ST16C550CJ44
April 2005
GENERAL DESCRIPTION
The ST16C550 (550) is a universal asynchronous re-
ceiver and transmitter with 16 byte transmit and receive
FIFO. It operates at 2.97 to 5.5 volts. A programmable
baud rate generator can select transmit and receive
clock rates from 50 bps to 1.5 Mbps.
The ST16C550 is an improved version of the NS16C550
UART with higher operating speed and lower access
time. The ST16C550 on board status registers provides
the error conditions, type and status of the transfer
operation being performed. Included is complete MO-
DEM control capability, and a processor interrupt
system that may be software tailored to the user’s
requirements. The ST16C550 provides internal loop-
back capability for on board diagnostic testing.
The ST16C550 is available in 40 pin PDIP, 44 pin PLCC,
and 48 pin TQFP packages. It is fabricated in an
advanced CMOS process to achieve low drain power
and high speed requirements.
FEATURES
• PintopinandfunctionallycompatibletotheIndustry
Standard 16C550
• 2.97 to 5.5 volt operation
• 24MHz clock operation at 5V
• 16MHz clock operation at 3.3V
• 16 byte transmit FIFO
• 16 byte receive FIFO with error flags
• Full duplex operation
• Transmit and receive control
• FourselectablereceiveFIFOinterrupttriggerlevels
ORDERING INFORMATION
Part number
Package
Operating temperature
Device Status
ST16C550CP40
40-Lead PDIP
0° C to + 70° C
Active. See the ST16C550CQ48 for new designs.
ST16C550CJ44
44-Lead PLCC
0° C to + 70° C
Active
ST16C550CQ48
48-Lead TQFP
0° C to + 70° C
Active
ST16C550IP40
40-Lead PDIP
-40° C to + 85° C
Active. See the ST16C550IQ48 for new designs.
ST16C550IJ44
44-Lead PLCC
-40° C to + 85° C
Active
ST16C550IQ48
48-Lead TQFP
-40° C to + 85° C
Active
• Standardmodeminterface
• CompatiblewithST16C450
• Low operating current ( 1.2mA typ.)


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