Datasheet > ST16C2552CJ44TR-F

ST16C2552CJ44TR-F

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
艾科嘉 - EXAR		先进先出芯片外围集成电路
页数	文件大小	规格书
34页	755K
描述
IC UART FIFO 16B DUAL 44PLCC

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技术参数
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ST16C2552CJ44TR-F 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	HTS代码：	8542.31.00.01
风险等级：	5.67	Is Samacsys：	N
JESD-30 代码：	S-PQCC-J44	JESD-609代码：	e3
湿度敏感等级：	1	端子数量：	44
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	PLASTIC/EPOXY	封装代码：	QCCJ
封装等效代码：	LDCC44,.7SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	电源：	3.3/5 V
认证状态：	Not Qualified	子类别：	Serial IO/Communication Controllers
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Matte Tin (Sn)
端子形式：	J BEND	端子节距：	1.27 mm
端子位置：	QUAD	uPs/uCs/外围集成电路类型：	SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches：	1

ST16C2552CJ44TR-F 数据手册

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ST16C2552

2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO

SEPTEMBER 2010

REV. 4.2.2

FEATURES

GENERAL DESCRIPTION

Added feature in devices with top marking "A2

YYWW" and newer:

The ST16C2552 (2552) is

dual universal

asynchronous receiver and transmitter (UART). The

ST16C2552 is an improved version of the PC16552

UART. The 2552 provides enhanced UART functions

with 16 byte FIFOs, a modem control interface, and

data rates up to 4 Mbps. Onboard status registers

provide the user with error indications and

operational status. System interrupts and modem

control features may be tailored by external software

to meet specific user requirements. Indepedendent

programmable baud rate generators are privded to

select transmit and receive clock rates from 50 Bps to

4 Mbps. The baud rate generator can be configured

for either crystal or external clock input. An internal

loop-back capability allows onboard diagnostics. The

2552 provides block mode data transfers (DMA)

through FIFO controls. DMA transfer monitoring is

provided through the signals TXRDY# and RXRDY#.

An Alternate Function Register provides the user with

the ability to initialize both UARTs concurrently. The

2552 is available in the 44-PLCC package.

■ 5 Volt Tolerant Inputs

• Pin-to-pin and functionally compatible to National

PC16552 and Exar’s XR16L2752 and XR16C2852

• 4 Mbps transmit/receive operation (64 MHz

External Clock Frequency)

• 2 Independent UART Channels

■ Register Set Compatible to 16C550

■ 16 byte Transmit FIFO to reduce the bandwidth

requirement of the external CPU

■ 16 byte Receive FIFO with error tags to reduce

the bandwidth requirement of the external CPU

■ 4 selectable RX FIFO Trigger Levels

■ Fixed Transmit FIFO interrupt trigger level

■ Full Modem Interface (CTS#, RTS#, DSR#,

DTR#, RI#, CD#)

• DMA operation and DMA monitoring via TXRDY#

and RXRDY# pins

APPLICATIONS

• Portable Appliances

• UART internal register sections A & B may be

written to concurrently

• Telecommunication Network Routers

• Ethernet Network Routers

• Cellular Data Devices

• Multi-Function output allows more package

functions with few I/O pins

• Programmable character lengths (5, 6, 7, 8) with

even, odd, or no parity

• Factory Automation and Process Controls

• Crystal oscillator or external clock input

FIGURE 1. ST16C2552 BLOCK DIAGRAM

3.3V or 5V VCC

GND

A2:A0

D7:D0

IOR#

IOW#

CS#

UART Channel A

TXA (or TXIRA)

16 Byte TX FIFO

TX & RX

UART

Regs

CHSEL

INTA

INTB

BRG

16 Byte RX FIFO

RXA (or RXIRA)

8-bit Data

TXRDYA#

Bus

TXRDYB#

TXB (or TXIRB)

RXB (or RXIRB)

UART Channel B

(same as Channel A)

Interface

MFA#

(OP2A#,

BAUDOUTA#, or

RXRDYA#)

XTAL1

XTAL2

Crystal Osc/Buffer

MFB#

(OP2B#,

BAUDOUTB#, or

RXRDYB#)

CTS#A/B, RI#A/B,

CD#A/B, DSR#A/B

Modem Control Logic

Reset

DTR#A/B, RTS#A/B

2552BLK

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com

12 3 4 5 6 7...34

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与ST16C2552CJ44TR-F相关器件

型号	品牌	获取价格	描述	数据表
ST16C2552CQ48	ETC	获取价格	UART
ST16C2552IJ	EXAR	获取价格	2.97V TO 5.5V DUAL UART WITH 16-BYTE FIFO
ST16C2552IJ44	EXAR	获取价格	DUAL ASYNCHRONOUS RECEIVER/TRANSMITTER WITH FIFOs
ST16C2552IJ44-F	EXAR	获取价格	Serial I/O Controller, 2 Channel(s), 0.5MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44
ST16C2552IQ48	ETC	获取价格	UART
ST16C32245	STMICROELECTRONICS	获取价格	14 BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR, A SIDE SERIES RESISTOR, 2 BIT I2C LIN
ST16C32245LBR	STMICROELECTRONICS	获取价格	14 BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR, A SIDE SERIES RESISTOR, 2 BIT I2C LIN
ST16C32245TBR	STMICROELECTRONICS	获取价格	14 BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR, A SIDE SERIES RESISTOR, 2 BIT I2C LIN
ST16C32245TTR	STMICROELECTRONICS	获取价格	14 BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR, A SIDE SERIES RESISTOR, 2 BIT I2C LIN
ST16C450	EXAR	获取价格	UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)

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