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SCN2651 PDF预览

SCN2651

更新时间： 2024-11-11 22:22:15
品牌 Logo 应用领域
恩智浦 - NXP PC通信
页数 文件大小 规格书
15页 118K
描述
Programmable communications interface PCI

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中文翻译

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SCN2651 数据手册

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Philips Semiconductors  
Product specification  
Programmable communications interface (PCI)  
SCN2651  
DESCRIPTION  
PIN CONFIGURATIONS  
The Philips Semiconductors SCN2651 PCI is a universal  
synchronous/asynchronous data communications controller chip  
designed for microcomputer systems. It interfaces directly to the  
Philips Semiconductors SCN2650 microprocessor and may be used  
in a polled or interrupt driven system environment. The SCN2651  
accepts programmed instructions from the microprocessor and  
supports many serial data communication disciplines, synchronous  
and asynchronous, in the full or half-duplex mode.  
D2  
D3  
1
2
3
4
5
28 D1  
27 D0  
26  
RxD  
GND  
D4  
V
CC  
25 RxC  
24 DTR  
The PCI serializes parallel data characters received from the  
microprocessor for transmission. Simultaneously, it can receive  
serial data and convert it into parallel data characters for input to the  
microcomputer.  
D5  
D6  
6
7
8
9
23 RTS  
22 DSR  
DIP  
D7  
21 RESET  
20 BRCLK  
19 TxD  
The SCN2651 contains a baud rate generator which can be  
programmed to either accept an external clock or to generate  
internal transmit or receive clocks. Sixteen different baud rates can  
be selected under program control when operating in the internal  
clock mode.  
TxC  
A1 10  
CE 11  
18 TxEMT/DSCHG  
17 CTS  
A0 12  
The PCI is constructed using Philips Semiconductors n-channel  
silicon gate depletion load technology and is packaged in a 28-pin  
DIP.  
R/W 13  
RxRDY 14  
16 DCD  
15 TxRDY  
TOP VIEW  
FEATURES  
SD00049  
• Synchronous operation  
– 5- to 8-bit characters  
OTHER FEATURES  
– Single or double SYN operation  
– Internal character synchronization  
– Transparent or non-transparent mode  
– Automatic SYN or DLE-SYN insertion  
– SYN or DLE stripping  
• Internal or external baud rate clock  
• 16 internal rates – 50 to 19,200 baud  
• Double buffered transmitter and receiver  
• Full or half duplex operation  
• TTL compatible inputs and outputs  
• Single 5V power supply  
– Odd, even, or no parity  
– Local or remote maintenance loopback mode  
– Baud rate: DC to 1Mbps (1X clock)  
• Asynchronous operation  
• No system clock required  
– 5- to 8-bit characters  
• 28-pin dual in-line package  
– 1, 1-1/2 or 2 stop bits  
– Odd, even, or no parity  
APPLICATIONS  
– Parity, overrun and framing error detection  
– Line break detection and generation  
– False start bit detection  
• Intelligent terminals  
• Network processors  
– Automatic serial echo mode  
– Local or remote maintenance loopback mode  
• Front-end processors  
• Remote data concentrators  
• Computer to computer links  
• Serial peripherals  
– Baud rate: DC to 1Mbps  
(1X clock)  
DC to 62.5kbps (16X clock)  
DC to 15.625kbps  
(64X clock)  
ORDERING CODE  
PACKAGES  
V
CC  
= 5V +5%  
Commercial  
Industrial  
DWG #  
0°C to +70°C  
-40°C to +85°C  
28-Pin Plastic Dual In-Line Package (DIP)  
SCN2651CC1N28  
Not available  
SOT117-2  
1
1994 Apr 27  
853-1067 12793  
1234567...15

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与SCN2651相关器件

型号 品牌 获取价格 描述 数据表
SCN2651A1F28 YAGEO

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 		Serial I/O Controller, 1 Channel(s), 0.125MBps, CMOS, CDIP28
SCN2651C1F28 YAGEO

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 		Serial I/O Controller, 1 Channel(s), 0.125MBps, CMOS, CDIP28
SCN2651C1N28 YAGEO

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 		Serial I/O Controller, 1 Channel(s), 0.125MBps, CMOS, PDIP28
SCN2651CA1I28 PHILIPS

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 		Serial IO/Communication Controller, MOS, CDIP28
SCN2651CC1I28 PHILIPS

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 		Serial IO/Communication Controller, MOS, CDIP28
SCN2651CC1N28 NXP

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 		Programmable communications interface PCI
SCN2651CM1I28 PHILIPS

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 		Serial IO/Communication Controller, MOS, CDIP28
SCN2652 NXP

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 		Multi-protocol communications controller (MPCC)
SCN2652AA2F40 PHILIPS

获取价格

 		Serial IO/Communication Controller, MOS, CDIP40
SCN2652AA2F40 YAGEO

获取价格

 		Multi Protocol Controller, 1 Channel(s), 0.25MBps, MOS, CDIP40

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