Datasheet > 微控制器和处理器 > 串行 IO/通信控制器> SC26C94A1A

SC26C94A1A

更新时间： 2024-09-15 22:50:19

品牌	Logo	应用领域
恩智浦 - NXP		微控制器和处理器串行IO控制器通信控制器外围集成电路数据传输时钟
页数	文件大小	规格书
33页	209K
描述
Quad universal asynchronous receiver/transmitter QUART

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中文翻译

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技术参数
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SC26C94A1A 技术参数

生命周期：	Obsolete	零件包装代码：	LCC
包装说明：	QCCJ, LDCC52,.8SQ	针数：	52
Reach Compliance Code：	compliant	HTS代码：	8542.31.00.01
风险等级：	5.8	Is Samacsys：	N
地址总线宽度：	6	边界扫描：	NO
最大时钟频率：	8 MHz	通信协议：	ASYNC, BIT
数据编码/解码方法：	NRZ	最大数据传输速率：	0.125 MBps
外部数据总线宽度：	8	JESD-30 代码：	S-PQCC-J52
长度：	19.1262 mm	低功率模式：	YES
DMA 通道数量：		I/O 线路数量：	16
串行 I/O 数：	4	端子数量：	52
片上数据RAM宽度：		最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QCCJ	封装等效代码：	LDCC52,.8SQ
封装形状：	SQUARE	封装形式：	CHIP CARRIER
电源：	5 V	认证状态：	Not Qualified
RAM（字数）：	0	座面最大高度：	4.57 mm
子类别：	Serial IO/Communication Controllers	最大压摆率：	50 mA
最大供电电压：	5.5 V	最小供电电压：	4.5 V
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	宽度：	19.1262 mm
uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL	Base Number Matches：	1

SC26C94A1A 数据手册

Philips Semiconductors

Product specification

Quad universal asynchronous receiver/transmitter (QUART)

SC26C94

DESCRIPTION

PIN CONFIGURATIONS

The 26C94 quad universal asynchronous receiver/transmitter

(QUART) combines four enhanced Philips Semiconductors

industry-standard UARTs with an innovative interrupt scheme that

can vastly minimize host processor overhead. It is implemented

using Philips Semiconductors’ high-speed CMOS process that

combines small die size and cost with low power consumption.

A5:0

CEN

DACKN

IACKN

RDN

WRN

D7-0

The operating speed of each receiver and transmitter can be

selected independently at one of eighteen fixed baud rates, a 16X

clock derived from a programmable counter/timer, or an external 1X

or 16X clock. The baud rate generator and counter/timer can

operate directly from a crystal or from external clock inputs. The

ability to independently program the operating speed of the receiver

and transmitter make the QUART particularly attractive for

dual-speed channel applications such as clustered terminal

systems.

RQN

RESET

X1/CLK

I/O0a–d

I/O1a–d

I/O2a–d

I/O3a–d

TDa-d

RDa-d

Each receiver is buffered with eight character FIFOs (first-in-first-out

memories) and one shift register to minimize the potential for

receiver overrun and to reduce interrupt overhead in interrupt driven

systems. In addition, a handshaking capability is provided to disable

a remote UART transmitter when the receiver buffer is full. (RTS

control)

SD00158

• Programmable channel mode

– Normal (full-duplex), automatic echo, local loop back, remote

The 2694 provides a power-down mode in which the oscillator is

stopped and the register contents are stored. This results in reduced

power consumption on the order of several magnitudes. The

QUART is fully TTL compatible and operates from a single +5V

power supply.

loopback

• Programmable interrupt priorities

• Identification of highest priority interrupt

• Global interrupt register set provides data from interrupting

channel

FEATURES

• Vectored interrupts with programmable vector format

• IACKN and DTACKN signals

• New low overhead interrupt control

• Four Philips Semiconductors industry-standard UARTs

• Built-in baud rate generator with choice of 18 rates

• Four I/O pins per UART for modem controls, clocks, etc.

• Power down mode

• Eight byte receive FIFO and eight byte transmit FIFO for each

UART

• Programmable data format:

– 5 to 8 data bits plus parity

• High-speed CMOS technology

– Odd, even, no parity or force parity

– 1, 1.5 or 2 stop bits programmable in 1/16-bit increments

• 52-pin PLCC and 48-pin DIP

• Commercial and industrial temperature ranges available

• On-chip crystal oscillator

• Baud rate for the receiver and transmitter selectable from:

– 23 fixed rates: 50 to 230.4K baud Non-standard rates to 1.0M

baud

• TTL compatible

– User-defined rates from the programmable counter/timer

• Single +5V power supply with low power mode

• Two multifunction programmable 16-bit counter/timers

• 1MHz 16x mode operation

associated with each of two blocks

– External 1x or 16x clock

• Parity, framing, and overrun error detection

• False start bit detection

• 30ns data bus release time

• “Watch Dog” timer for each receiver

• Line break detection and generation

ORDERING INFORMATION

COMMERCIAL

= +5V +10%,

INDUSTRIAL

V = +5V +10%,

PACKAGES

DWG #

= 0 C to +70 C

= –40 C to +85 C

SC26C94A1N

SC26C94A1A

48-Pin Plastic Dual In-Line Package (DIP)

SC26C94C1N

SC26C94C1A

SOT240-1

SOT238-3

52-Pin Plastic Leaded Chip Carrier (PLCC) Package

1995 May 1

853-1471 15179

12 3 4 5 6 7...33

中文翻译

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与SC26C94A1A相关器件

型号	品牌	获取价格	描述	数据表
SC26C94A1A52	PHILIPS	获取价格	Serial I/O Controller, CMOS, PQCC52
SC26C94A1A52-T	YAGEO	获取价格	Serial I/O Controller, 4 Channel(s), 0.028076171875MBps, CMOS, PQCC52
SC26C94A1A-T	PHILIPS	获取价格	Serial I/O Controller, CMOS, PQCC52,
SC26C94A1N	NXP	获取价格	Quad universal asynchronous receiver/transmitter QUART
SC26C94A1N48	PHILIPS	获取价格	Serial I/O Controller, CMOS, PDIP48
SC26C94C1A	NXP	获取价格	Quad universal asynchronous receiver/transmitter QUART
SC26C94C1A	PHILIPS	获取价格	Serial I/O Controller, CMOS, PQCC52,
SC26C94C1A52	PHILIPS	获取价格	Serial I/O Controller, CMOS, PQCC52
SC26C94C1A52-T	YAGEO	获取价格	Serial I/O Controller, 4 Channel(s), 0.028076171875MBps, CMOS, PQCC52
SC26C94C1A-T	NXP	获取价格	IC 4 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PQCC52, Serial IO/Communication Controlle

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