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TL16C554APNRG4 PDF预览

TL16C554APNRG4

更新时间： 2024-11-22 12:27:39
品牌 Logo 应用领域
德州仪器 - TI 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
46页 1074K
描述
ASYNCHRONOUS-COMMUNICATIONS ELEMENT

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TL16C554APNRG4 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFP包装说明：LFQFP, QFP80,.55SQ,20
针数：80Reach Compliance Code：compliant
HTS代码：8542.31.00.01风险等级：5.21
其他特性：ALSO OPERATES AT 5 V SUPPLY地址总线宽度：3
边界扫描：NO最大时钟频率：16 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-PQFP-G80JESD-609代码：e4
长度：12 mm低功率模式：NO
湿度敏感等级：3串行 I/O 数：4
端子数量：80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：LFQFP封装等效代码：QFP80,.55SQ,20
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3.3/5 V
认证状态：Not Qualified座面最大高度：1.6 mm
子类别：Serial IO/Communication Controllers最大供电电压：3.6 V
最小供电电压：3 V标称供电电压：3.3 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：12 mmuPs/uCs/外围集成电路类型：SERIAL IO/COMMUNICATION CONTROLLER, SERIAL
Base Number Matches：1

TL16C554APNRG4 数据手册

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TL16C554A, TL16C554AI  
ASYNCHRONOUS-COMMUNICATIONS ELEMENT  
ꢀ
ꢀ  
SLLS509E − AUGUST 2001 − REVISED JUNE 2010  
D
D
D
Integrated Asynchronous-Communications  
Element  
D
Fully Programmable Serial Interface  
Characteristics:  
− 5-, 6-, 7-, or 8-Bit Characters  
− Even-, Odd-, or No-Parity Bit  
− 1-, 1 1/2-, or 2-Stop Bit Generation  
− Baud Generation (DC to 1-Mbit Per  
Second)  
Consists of Four Improved TL16C550C  
ACEs Plus Steering Logic  
In FIFO Mode, Each ACE Transmitter and  
Receiver Is Buffered With 16-Byte FIFO to  
Reduce the Number of Interrupts to CPU  
D
D
D
D
False Start Bit Detection  
D
In TL16C450 Mode, Hold and Shift  
Registers Eliminate Need for Precise  
Synchronization Between the CPU and  
Serial Data  
Complete Status Reporting Capabilities  
Line Break Generation and Detection  
Internal Diagnostic Capabilities:  
− Loopback Controls for Communications  
Link Fault Isolation  
− Break, Parity, Overrun, Framing Error  
Simulation  
D
D
Up to 16-MHz Clock Rate for up to 1-Mbaud  
Operation with V = 3.3 V and 5 V  
CC  
Programmable Baud-Rate Generators  
Which Allow Division of Any Input  
16  
Reference Clock by 1 to (2 ꢀ−ꢀ1) and  
D
D
D
Fully Prioritized Interrupt System Controls  
Generate an Internal 16 × Clock  
Modem Control Functions (CTS, RTS, DSR,  
DTR, RI, and DCD)  
D
D
D
Adds or Deletes Standard Asynchronous  
Communication Bits (Start, Stop, and  
Parity) to or From the Serial-Data Stream  
3-State Outputs Provide TTL Drive  
Capabilities for Bidirectional Data Bus and  
Control Bus  
Independently Controlled Transmit,  
Receive, Line Status, and Data Set  
Interrupts  
D
D
D
Programmable Auto-RTS and Auto-CTS  
CTS Controls Transmitter in Auto-CTS  
Mode,  
5-V and 3.3-V Operation  
RCV FIFO Contents and Threshold Control  
RTS in Auto-RTS Mode,  
description  
The TL16C554A is an enhanced quadruple version of the TL16C550C asynchronous-communications element  
(ACE). Each channel performs serial-to-parallel conversion on data characters received from peripheral  
devices or modems and parallel-to-serial conversion on data characters transmitted by the CPU. The complete  
status of each channel of the quadruple ACE can be read by the CPU at any time during operation. The  
information obtained includes the type and condition of the operation performed and any error conditions  
encountered.  
The TL16C554A quadruple ACE can be placed in an alternate FIFO mode, which activates the internal FIFOs  
to allow 16 bytes (plus three bits of error data per byte in the receiver FIFO) to be stored in both receive and  
transmit modes. In the FIFO mode of operation, there is a selectable autoflow control feature that can  
significantly reduce software overhead and increase system efficiency by automatically controlling serial-data  
flow using RTS output and CTS input signals. All logic is on the chip to minimize system overhead and maximize  
system efficiency. Two terminal functions allow signaling of direct-memory access (DMA) transfers. Each ACE  
includes a programmable baud-rate generator that can divide the timing reference clock input by a divisor  
16  
between 1 and 2 −1.  
The TL16C554A is available in a 68-pin plastic-leaded chip-carrier (PLCC) FN package, 64-pin plastic quad  
flatpack (PQFP) PM package and in an 80-pin (TQFP) PN package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright © 2010, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...46

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TL16C554APNRG4 替代型号

型号 品牌 替代类型 描述 数据表
TL16C554APNR TI

类似代替

 ASYNCHRONOUS-COMMUNICATIONS ELEMENT
TL16C554APN TI

类似代替

 ASYNCHRONOUS-COMMUNICATIONS ELEMENT

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