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參數(shù)資料
| 型號： | 16C450 |
| 廠商： | Exar Corporation |
| 英文描述： | UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART) |
| 中文描述： | 通用異步接收/發(fā)送器（UART） |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 182K |
| 代理商： | 16C450 |
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EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000
FAX (510) 668-7017
ST16C450
Rev. 4.20
PLCC Package
UNIVERSAL ASYNCHRONOUS
RECEIVER/TRANSMITTER (UART)
GENERAL DESCRIPTION
The ST16C450 is a universal asynchronous receiver
and transmitter. The ST16C450 is an improved ver-
sion of the NS16450 UART with higher operating
speed and lower access time. A programmable baud
rate generator is provided to select transmit and
receive clock rates from 50 Bps to 1.5 Mbps.
The ST16C450 on board status registers provides the
error conditions, type and status of the transfer
operation being performed. Included is complete
MODEM control capability, and a processor interrupt
system that may be software tailored to the user’s
requirements. The ST16C450 provides internal loop-
back capability for on board diagnostic testing.
The ST16C450 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
Pin to pin and functionally compatible to the Indus-
try Standard 16450
2.97 to 5.5 volt operation
1.5 Mbps transmit/receive operation (24MHz)
Programmable word lengths (5, 6, 7, 8)
Even, odd, force, or no parity generation and
detection
Independent transmit and receive control
Standard modem interface
Low operating current ( 1.2mA typ.)
ORDERING INFORMATION
6
5
4
3
2
1
4
4
4
4
4
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
1
1
2
2
2
2
2
2
2
2
2
D5
D6
D7
RCLK
RX
N.C.
TX
CS0
CS1
-CS2
-BAUDOUT
RESET
-OP1
-DTR
-RTS
-OP2
N.C.
INT
N.C.
A0
A1
A2
D
D
D
D
D
N
V
-
-
-
-
X
X
-
G
N
-
C
-
ST16C450CJ44
Part number
ST16C450CP40
ST16C450CJ44
ST16C450CQ48
ST16C450IP40
ST16C450IJ44
ST16C450IQ48
Package
40-Lead PDIP
44-Lead PLCC
48-Lead TQFP
40-Lead PDIP
44-Lead PLCC
48-Lead TQFP
Operating temperature
0° C to + 70° C
0° C to + 70° C
0° C to + 70° C
-40° C to + 85° C
-40° C to + 85° C
-40° C to + 85° C
Device Status
Active. See the ST16C450CQ48 for new designs.
Active
Active
Active. See the ST16C450IQ48 for new designs.
Active
Active
September 2003
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 16C-5 | 制造商:DWYER INSTRUMENTS 功能描述:16B-53 1/16 TEMP CONT, CUR/RLY |
| 16C505 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:14-Pin, 8-Bit CMOS Microcontroller |
| 16C505-04/P | 制造商: 功能描述: 制造商:undefined 功能描述: |
| 16C552 | 制造商:IMP 制造商全稱:IMP 功能描述:Dual FIFO UART and Parallel Port |
| 16C554 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:EPROM-Based 8-Bit CMOS Microcontroller |
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