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| 型号： | SC16C554IB64,128 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 27/55页 |
| 文件大小： | 0K |
| 描述： | IC UART QUAD SOT314-2 |
| 标准包装： | 1,500 |
| 通道数： | 4，QUART |
| FIFO's： | 16 字节 |
| 电源电压： | 2.5V，3.3V，5V |
| 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： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 带卷 (TR) |
| 其它名称： | 935270074128 SC16C554IB64-T SC16C554IB64-T-ND |
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Philips Semiconductors
SC16C554/554D
Quad UART with 16-byte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev. 05 — 10 May 2004
33 of 55
9397 750 13132
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
Whenever any MSR bit 0-3 is set to logic 1, a Modem Status Interrupt will be generated.
7.9 Scratchpad Register (SPR)
The SC16C554/554D provides a temporary data register to store 8 bits of user
information.
7.10 Enhanced Feature Register (EFR)
Enhanced features are enabled or disabled using this register.
Bits 0 through 4 provide single or dual character software ow control selection.
When the Xon1 and Xon2 and/or Xoff1 and Xoff2 modes are selected, the double
8-bit words are concatenated into two sequential numbers.
1
MSR[1]
DSR [1]
Logic 0 = No DSR change (normal default condition).
Logic1=The DSR input to the SC16C554/554D has changed state
since the last time it was read. A modem Status Interrupt will be
generated.
0
MSR[0]
CTS [1]
Logic 0 = No CTS change (normal default condition).
Logic 1 = The CTS input to the SC16C554/554D has changed state
since the last time it was read. A modem Status Interrupt will be
generated.
Table 20:
Modem Status Register bits description…continued
Bit
Symbol
Description
Table 21:
Enhanced Feature Register bits description
Bit
Symbol
Description
7
EFR[7]
Auto CTS. Automatic CTS Flow Control.
Logic 0 = Automatic CTS ow control is disabled (normal default
condition).
Logic 1 = Enable Automatic CTS ow control. Transmission will stop
when CTS goes to a logical 1. Transmission will resume when the CTS
pin returns to a logical 0.
6
EFR[6]
Auto RTS. Automatic RTS may be used for hardware ow control by
enabling EFR[6]. When Auto RTS is selected, an interrupt will be
generated when the receive FIFO is lled to the programmed trigger
level and RTS will go to a logic 1 at the next trigger level. RTS will return
to a logic 0 when data is unloaded below the next lower trigger level.
The state of this register bit changes with the status of the hardware ow
control. RTS functions normally when hardware ow control is disabled.
Logic 0 = Automatic RTS ow control is disabled (normal default
condition).
Logic 1 = Enable Automatic RTS ow control.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC16C554IB80 | 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 |
| SC16C554IB80,528 | 功能描述:UART 接口集成电路 Quad UART RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C554IB80,551 | 功能描述:UART 接口集成电路 16C 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C554IB80,557 | 功能描述:UART 接口集成电路 16C 2.5V-5V 4CH UART 16B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC16C650A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Universal Asynchronous Receiver/Transmitter (UART) with 32-byte FIFO and infrared (IrDA) encoder/decoder |
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