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参数资料
型号： SC16C550IB48,128
厂商： NXP SEMICONDUCTORS
元件分类： 微控制器/微处理器
英文描述： 1 CHANNEL(S), 3M bps, SERIAL COMM CONTROLLER, PQFP48
封装： 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-313-2, LQFP-48
文件页数： 48/52页
文件大小： 639K
代理商： SC16C550IB48,128
Koninklijke Philips Electronics N.V. 2003.
Printed in the U.S.A
All rights are reserved. Reproduction in whole or in part is prohibited without the prior
written consent of the copyright owner.
The information presented in this document does not form part of any quotation or
contract, is believed to be accurate and reliable and may be changed without notice. No
liability will be accepted by the publisher for any consequence of its use. Publication
thereof does not convey nor imply any license under patent- or other industrial or
intellectual property rights.
Date of release: 19 June 2003
Document order number: 9397 750 11619
Contents
Philips Semiconductors
SC16C550
UART with 16-byte FIFO and IrDA encoder/decoder
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
4
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
5.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 6
6
Functional description . . . . . . . . . . . . . . . . . . . 9
6.1
Internal registers . . . . . . . . . . . . . . . . . . . . . . . 10
6.2
FIFO operation . . . . . . . . . . . . . . . . . . . . . . . . 10
6.3
Autoow control (see Figure 5) . . . . . . . . . . . . 11
6.3.1
Auto-RTS (see Figure 5). . . . . . . . . . . . . . . . . 11
6.3.2
Auto-CTS (see Figure 5). . . . . . . . . . . . . . . . . 12
6.3.3
Enabling autoow control and auto-CTS . . . . 12
6.3.4
Auto-CTS and auto-RTS functional timing . . . 12
6.4
Software ow control . . . . . . . . . . . . . . . . . . . 13
6.5
Special feature software ow control . . . . . . . 14
6.6
Hardware/software and time-out interrupts. . . 14
6.7
Programmable baud rate generator . . . . . . . . 15
6.8
DMA operation . . . . . . . . . . . . . . . . . . . . . . . . 16
6.9
Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.10
Loop-back mode . . . . . . . . . . . . . . . . . . . . . . . 17
7
Register descriptions . . . . . . . . . . . . . . . . . . . 19
7.1
Transmit (THR) and Receive (RHR)
Holding Registers . . . . . . . . . . . . . . . . . . . . . 20
7.2
Interrupt Enable Register (IER) . . . . . . . . . . . 20
7.2.1
IER versus Receive FIFO interrupt
mode operation . . . . . . . . . . . . . . . . . . . . . . . 21
7.2.2
IER versus Receive/Transmit FIFO polled
mode operation . . . . . . . . . . . . . . . . . . . . . . . 21
7.3
FIFO Control Register (FCR) . . . . . . . . . . . . . 22
7.3.1
DMA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.3.2
FIFO mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7.4
Interrupt Status Register (ISR) . . . . . . . . . . . . 24
7.5
Line Control Register (LCR) . . . . . . . . . . . . . . 25
7.6
Modem Control Register (MCR) . . . . . . . . . . . 27
7.7
Line Status Register (LSR) . . . . . . . . . . . . . . . 28
7.8
Modem Status Register (MSR). . . . . . . . . . . . 29
7.9
Scratchpad Register (SPR) . . . . . . . . . . . . . . 30
7.10
Enhanced Feature Register (EFR) . . . . . . . . . 30
7.11
SC16C550 external reset conditions . . . . . . . 32
8
Limiting values . . . . . . . . . . . . . . . . . . . . . . . . 32
9
Static characteristics . . . . . . . . . . . . . . . . . . . 33
10
Dynamic characteristics . . . . . . . . . . . . . . . . . 34
10.1
Timing diagrams. . . . . . . . . . . . . . . . . . . . . . . 35
11
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 44
12
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 47
12.2
Through-hole mount packages . . . . . . . . . . . 47
12.2.1
Soldering by dipping or by solder wave . . . . . 47
12.2.2
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 47
12.3
Surface mount packages . . . . . . . . . . . . . . . . 47
12.3.1
Reow soldering. . . . . . . . . . . . . . . . . . . . . . . 47
12.3.2
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 48
12.3.3
Manual soldering . . . . . . . . . . . . . . . . . . . . . . 48
12.4
Package related soldering information . . . . . . 49
13
Revision history . . . . . . . . . . . . . . . . . . . . . . . 50
14
Data sheet status. . . . . . . . . . . . . . . . . . . . . . . 51
15
Denitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
16
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
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相关代理商/技术参数
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SC16C550IN40 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C550IN40,112 功能描述:IC UART SINGLE W/FIFO 40-DIP RoHS:是 类别:集成电路 (IC) >> 接口 - UART（通用异步接收器/发送器） 系列:- 标准包装:250 系列:- 特点:* 通道数:2，DUART FIFO's:16 字节 规程:RS232，RS485 电源电压:2.25 V ~ 5.5 V 带并行端口:- 带自动流量控制功能:是 带IrDA 编码器/解码器:是 带故障启动位检测功能:是 带调制解调器控制功能:是 带CMOS:是 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP（7x7） 包装:托盘 其它名称:XR16L2551IM-F-ND
SC16C554 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
SC16C554B 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
SC16C554B_10 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
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