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參數(shù)資料
型號(hào)： ST16C452PS
廠商： Exar Corporation
英文描述： Dual UART with Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶并行打印機(jī)端口）)
中文描述： 雙UART與并行打印機(jī)端口（雙通用異步接收器/發(fā)送器（帶并行打印機(jī)端口））
文件頁數(shù)： 1/30頁
文件大小： 389K
代理商： ST16C452PS
EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000
FAX (510) 668-7017
ST16C452
ST16C452PS
DUAL UART WITH PARALLEL
PRINTER PORT
PLCC Package
Rev. 3.10
DESCRIPTION
The ST16C452/ST16C452PS (452/452PS) is a dual universal asynchronous receiver and transmitter (UART)
with an added bi-directional parallel port that is directly compatible with a CENTRONICS type printer. The parallel
port is designed such that the user can configure it as general purpose I/O interface, or for connection to other
printer devices. The 452/452PS provides enhanced UART functions, a modem control interface, and data rates
up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status. The system
interrupts and control may be tailored to meet user requirements. An internal loop-back capability allows onboard
diagnostics. A programmable baud rate generator is provided to select transmit and receive clock rates from 50
bps to 1.5 Mbps. The 452/452PS is available in a 68 pin PLCC package. The 452/452PS is compatible with the
16C450. The 452 is available in two versions, the ST16C452 and the ST16C452PS. The ST16C452 provides
single hardware pin to control the printer port data direction while the 452PS provides an additionally software
control bit to control the printer port data direction to become compatible PS/2 operating system.
The 452/452PS is fabricated in an advanced CMOS process with low power consumption.
FEATURES
Pin to pin and functional compatible to TL16C452
Software compatible with ST16C450, NS16C450
1.5 Mbps transmit/receive operation (24MHz)
Independent transmit and receive control
Modem and printer status registers
UART port and printer port Bi-directional
Printer port direction set by single control bit or 8 bit
pattern (AA/55)
Modem control signals (-CTS, -RTS, -DSR, -DTR,
-RI, -CD)
Programmable character lengths (5, 6, 7, 8)
Even, odd, or no parity bit generation and detection
Internal loop-back diagnostics
TTL compatible inputs, outputs
Low Power
ORDERING INFORMATION
Part number
ST16C452CJ68
ST16C452CJ68PS
ST16C452IJ68
ST16C452IJ68PS
Pin
68
68
68
68
Package
PLCC
PLCC
PLCC
PLCC
Operating temperature
0° C to + 70° C
0° C to + 70° C
-40° C to + 85° C
-40° C to + 85° C
INTB
INTP
-SLCTIN
INIT
-AUTOFDXT
-STROBE
GND
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
INTA
RDOUT
N
-
G
-
-
C
-
G
B
A
P
-
S
V
E
R
N
G
-
-
-
-
-
A
A
A
-
-
-
-
V
R
N
I
9
8
7
6
5
4
3
2
1
6
6
6
6
6
6
6
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
2
2
2
3
3
3
3
3
3
3
3
3
3
4
4
4
4
ST16C452CJ68
ST16C452CJ68PS
TXB
-DTRB
-RTSB
-CTSB
D0
D1
D2
D3
D4
D5
D6
D7
N.C.
VCC
-RTSA
-DTRA
TXA
相關(guān)PDF資料
PDF描述
ST16C452 Dual UART with Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶并行打印機(jī)端口）)
ST16C550 UART with 16-Byte FIFO(通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出）)
ST16C552 Dual UART with 16-Byte FIFO and Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出和并行打印機(jī)端口）)
ST16C552A Dual UART with 16-Byte FIFO and Parallel Printer Port(雙通用異步接收器/發(fā)送器（帶16字節(jié)的先進(jìn)先出和并行打印機(jī)端口）)
ST16C554DCJ68 QUAD UART WITH 16-BYTE FIFOS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ST16C454 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C454_05 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)
ST16C454CJ 制造商:Exar Corporation 功能描述:
ST16C454CJ-0A-EVB 功能描述:界面開發(fā)工具 Supports C454 68 ld PLCC, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
ST16C454CJ68 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
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