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PC87109VBE

更新时间： 2024-11-07 22:06:59
品牌 Logo 应用领域
美国国家半导体 - NSC 外围集成电路数据传输控制器PC
页数 文件大小 规格书
56页 380K
描述
PC87109VBE Advanced UART and Infrared Controller

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中文翻译

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PC87109VBE 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：LQFP, QFP32,.35SQ,32Reach Compliance Code：unknown
HTS代码：8542.31.00.01风险等级：5.87
地址总线宽度：4边界扫描：NO
最大数据传输速率：0.1875 MBps外部数据总线宽度：8
JESD-30 代码：S-PQFP-G32JESD-609代码：e0
长度：7 mm低功率模式：NO
串行 I/O 数：1端子数量：32
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：LQFP
封装等效代码：QFP32,.35SQ,32封装形状：SQUARE
封装形式：FLATPACK, LOW PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
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：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.8 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7 mm
uPs/uCs/外围集成电路类型：SERIAL IO/COMMUNICATION CONTROLLER, SERIALBase Number Matches：1

PC87109VBE 数据手册

 浏览型号PC87109VBE的Datasheet PDF文件第2页浏览型号PC87109VBE的Datasheet PDF文件第3页浏览型号PC87109VBE的Datasheet PDF文件第4页浏览型号PC87109VBE的Datasheet PDF文件第5页浏览型号PC87109VBE的Datasheet PDF文件第6页浏览型号PC87109VBE的Datasheet PDF文件第7页 
Preliminary  
November 1997  
PC87109VBE Advanced UART and Infrared Controller  
General Description  
Features  
The PC87109 is a serial communication device with  
infrared capability. It supports 6 modes of operation and is  
backward compatible with the 16550 and 16450 (except for  
the MODEM control functions). The operational modes are:  
■
■
■
Compatible with 16550 and 16450 devices  
Extended UART mode  
Sharp-IR with selectable internal or external  
modulation  
UART, Sharp-IR, IrDA 1.0 SIR, IrDA 1.1 MIR and FIR, and  
Consumer Electronics IR (also referred to as TV Remote or  
Consumer Remote Control).  
■
■
IrDA 1.0 SIR with up to 115.2 Kbaud data rate  
IrDA 1.1 MIR and FIR with 0.576, 1.152 and 4.0 Mbps  
data rates  
In order to support existing legacy software based upon the  
16550 UART, the PC87109 provides a special fallback  
mechanism that automatically switches the device to 16550  
compatibility mode when the baud generator divisor is  
accessed through the legacy ports in bank 1.  
■
■
■
Consumer Electronics IR mode  
UART mode data rates up to 1.5 Mbps  
Back-to-Back infrared frame transmission and  
reception  
■
■
■
■
■
■
■
■
■
Full duplex infrared frame transmission and reception  
Transmit deferral  
The device architecture has been optimized to meet the  
requirements of a variety of UART and infrared based  
applications. DMA support for all operational modes has  
been incorporated into the architecture.  
Automatic fallback to 16550 compatibility mode  
Selectable 16 or 32 level FIFOs  
12-bit timer for infrared protocol support  
Programmable IRQ and DMA signals polarity  
Support for power management  
5V or 3.3V operation with back drive protection  
32-pin TQFP package  
The device uses one DMA channel. One channel is  
required for infrared based applications since infrared  
communications work in half duplex fashion.  
To further ease driver design and simplify the  
implementation of infrared protocols, a 12-bit timer with 125µs  
resolution has also been included.  
Block Diagram  
SOUT  
UART Module  
SIN  
Interrupt  
IRQ  
Request  
Control  
Sharp-IR Module  
DASK  
DRQ  
DMA Request  
Control  
IrDA 1.0 Module  
115.2 Kbps  
SIR  
DACK  
TC  
IrDA 1.1 Module  
0.576 & 1.152 Mbps  
Configuration  
Registers  
To IR Transceivers  
A0-A3  
MIR  
IrDA 1.1 Module  
4.0 Mbps  
FIR  
D0-D7  
8 Bit Data Bus  
Consumer Electronics IR Module  
CEIR  
®
TRI-STATE is a registered trademark of National Semiconductor Corp.  
WATCHDOG™ is a trademark of National Semiconductor Corp.  
1
www.national.com  
© 1997 National Semiconductor Corporation  
1234567...56

中文翻译

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