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| 型号： | SC16C554DBIB64 |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 收发器 |
| 英文描述： | 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit-s (max.) with 16-byte FIFOs |
| 封装： | SC16C554BIB64<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.html<1<week 36, 2004,;SC16C554BIB64<SOT314-2 (LQFP64)|<<http://www.nxp.com/packages/SOT314-2.html&l |
| 文件页数： | 16/58页 |
| 文件大小： | 1035K |
| 代理商： | SC16C554DBIB64 |
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SC16C554B_554DB
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 8 June 2010
16 of 58
NXP Semiconductors
SC16C554B/554DB
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
6.1 Interface options
Two user interface modes are selectable for the PLCC68 package. These interface
modes are designated as the ‘16 mode’ and the ‘68 mode’. This nomenclature
corresponds to the early 16C454/554 and 68C454/554 package interfaces respectively.
6.1.1
The 16 mode interface
The 16 mode configures the package interface pins for connection as a standard
16 series (Intel) device and operates similar to the standard CPU interface available on
the 16C454/554. In the 16 mode (pin 16/68 = logic 1), each UART is selected with
individual chip select (CSn) pins, as shown in
Table 3
.
Table 3.
CSA
1
0
1
1
1
6.1.2
The 68 mode interface
The 68 mode configures the package interface pins for connection with Motorola, and
other popular microprocessor bus types. The interface operates similar to the
68C454/554. In this mode, the SC16C554B/554DB decodes two additional addresses,
A3 to A4, to select one of the four UART ports. The A3 to A4 address decode function is
used only when in the 68 mode (16/68 = logic 0), and is shown in
Table 4
.
Table 4.
CS
1
0
0
0
0
Serial port channel selection, 16 mode interface
CSB
CSC
1
1
1
1
0
1
1
0
1
1
CSD
1
1
1
1
0
UART channel
none
A
B
C
D
Serial port channel selection, 68 mode interface
A4
A3
n/a
n/a
0
0
0
1
1
0
1
1
UART channel
none
A
B
C
D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC16C554DBIB64,128 | 功能描述:UART 接口集成电路 16CB 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 |
| SC16C554DBIB64,151 | 功能描述:UART 接口集成电路 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 |
| SC16C554DBIB64,157 | 功能描述:UART 接口集成电路 16CB 2.5V-5V 4CH 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 |
| SC16C554DBIB64-S | 功能描述:UART 接口集成电路 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 |
| SC16C554DIA68 | 制造商:NXP Semiconductors 功能描述:IC UART QUAD 16BYTE FIFO 16C554 |
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