參數(shù)資料
型號： SC16C654
廠商： NXP Semiconductors N.V.
英文描述： Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
中文描述： 四的UART具有64字節(jié)FIFO和紅外（IrDA）編碼器/解碼器
文件頁數(shù)： 12/52頁
文件大?。?/td> 647K
代理商： SC16C654
Philips Semiconductors
SC16C654/654D
Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev. 04 — 19 June 2003
12 of 52
9397 750 11617
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
character. In the 16 mode, INTSEL and MCR[3] can be configured to provide a
software controlled or continuous interrupt capability. Due to pin limitations of the
64-pin package, this feature is offered by two different LQFP64 packages. The
SC16C654D operates in the continuous interrupt enable mode by bonding INTSEL to
V
CC
internally. The SC16C654 operates in conjunction with MCR[3] by bonding
INTSEL to GND internally.
The PLCC68 SC16C654 package offers a clock select pin to allow system/board
designers to preset the default baud rate table. The CLKSEL pin selects the 1
×
or 4
×
pre-scalable baud rate generator table during initialization, but can be overridden
following initialization by MCR[7].
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.
6.2 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 (CSx) pins, as shown in
Table 3
.
6.3 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 SC16C654/654D decodes two additional addresses,
A3-A4, to select one of the four UART ports. The A3-A4 address decode function is
used only when in the 68 mode (16/68 = logic 0), and is shown in
Table 4
.
Table 3:
CSA
1
0
1
1
1
Serial port channel selection, 16 mode interface
CSB
CSC
CSD
1
1
1
1
1
1
0
1
1
1
0
1
1
1
0
UART channel
none
A
B
C
D
Table 4:
CS
1
0
0
0
0
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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相關代理商/技術參數(shù)
參數(shù)描述
SC16C654B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.), with 64-byte FIFOs and infrared (IrDA) encoder/decoder
SC16C654BIA68 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC16C654BIA68,512 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC16C654BIA68,518 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
SC16C654BIA68,529 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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