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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： | 25/52页 |
| 文件大小： | 639K |
| 代理商： | SC16C550IB48,128 |
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Philips Semiconductors
SC16C550
UART with 16-byte FIFO and IrDA encoder/decoder
Product data
Rev. 05 — 19 June 2003
31 of 52
9397 750 11619
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
[1]
When using a software ow control the Xon/Xoff characters cannot be used for data transfer.
5
EFR[5]
Special Character Detect.
Logic 0 = Special character detect disabled (normal default condition).
Logic 1 = Special character detect enabled. The SC16C550 compares
each incoming receive character with Xoff2 data. If a match exists, the
received data will be transferred to FIFO and ISR[4] will be set to
indicate detection of special character. Bit-0 in the X-registers
corresponds with the LSB bit for the receive character. When this feature
is enabled, the normal software ow control must be disabled (EFR[3-0]
must be set to a logic 0).
4
EFR[4]
Enhanced function control bit. The content of IER[7-4], ISR[5-4], FCR[5-4],
and MCR[7-5] can be modied and latched. After modifying any bits in the
enhanced registers, EFR[4] can be set to a logic 0 to latch the new values.
This feature prevents existing software from altering or overwriting the
SC16C550 enhanced functions.
Logic 0 = Disable (normal default condition).
Logic 1 = Enable.
3-0
EFR[3-0] Cont-3-0 Tx, Rx control. Logic 0 or cleared is the default condition.
Combinations of software ow control can be selected by programming
these bits. See Table 22.
Table 22:
Software ow control functions[1]
Cont-3
Cont-2
Cont-1
Cont-0
TX, RX software ow controls
0
X
No transmit ow control
1
0
X
Transmit Xon1/Xoff1
0
1
X
Transmit Xon2/Xoff2
1
X
Transmit Xon1 and Xon2/Xoff1 and Xoff2
X
0
No receive ow control
X
1
0
Receiver compares Xon1/Xoff1
X
0
1
Receiver compares Xon2/Xoff2
1
0
1
Transmit Xon1/Xoff1
Receiver compares Xon1 and Xon2, Xoff1 and Xoff2
0
1
Transmit Xon2/Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
1
Transmit Xon1 and Xon2/Xoff1 and Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
Table 21:
Enhanced Feature Register bits description…continued
Bit
Symbol
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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