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UR5CSPI-SA-FN PDF预览

UR5CSPI-SA-FN

更新时间: 2024-11-05 23:40:43
品牌 Logo 应用领域
其他 - ETC 外围集成电路编码器
页数 文件大小 规格书
22页 151K
描述
ENCODER|LDCC|44PIN|PLASTIC

UR5CSPI-SA-FN 数据手册

 浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第2页浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第3页浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第4页浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第5页浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第6页浏览型号UR5CSPI-SA-FN的Datasheet PDF文件第7页 
TM  
USAR SPICoder SA UR5HCSPI-SA  
A Semtech Company  
USAR H/PC ICs family  
Zero-Power Keyboard Encoder  
& Power Management IC for  
Intel StrongARM-based H/PCs  
product specifications  
Description  
Features  
TM  
• SPI-compatible keyboard encoder  
and power management IC with  
other interfaces available  
• Fully compatible to the Windows  
CE keyboard specification  
The USAR SPICoder UR5HCSPI-  
SA, a member of USAR’s H/PC ICs  
family, is a keyboard encoder and  
power management IC designed  
specifically for Handheld PCs  
®
• Works in harmony with the power  
®
• Ideal for use with the Intel  
management modes of Win CE  
TM  
StrongARM processor  
• Provides special modes of  
operation for H/PCs, including  
programmable “wake-up” keys  
• Scans an 8 x 14 matrix and  
controls discrete switches and LED  
indicators  
TM  
• Operates at patented Zero-Power  
— typically consuming less than  
2µA, between 3-5V  
(H/PCs), Web Phones and other  
systems that run Microsoft  
Windows CE and utilize the Intel  
StrongARM processor.  
®
®
TM  
• Offers overall system power  
management capabilities  
• Implements high-reliability two-way • Compatible with “system-on silicon”  
The UR5HCSPI-SA offers several  
features necessary to H/PCs,  
including low power consumption,  
real estate-saving size, and special  
keyboard modes.  
protocol  
CPUs for H/PCs  
• Available in small 10mm by 10mm,  
44-pin QFP package  
Applications  
TM  
The IC operates at Zero-Power  
TM  
• Personal Digital Assistants (PDAs)  
• Wearable Computers  
• Internet Appliance  
• StrongARM Handheld PCs  
(less than 2µA @ 3V), providing the  
the host system both power  
management and I/O flexibility, with  
minimal battery drainage.  
®
• Windows CE Platforms  
• Web Phones  
Pin Assignments  
Special keyboard modes and built-  
in power management features  
TM  
allow the USAR SPICoder SA to  
operate in harmony with the power  
management modes of Windows  
®
CE , resulting in greater user  
flexibility, and longer battery life.  
6
40  
39  
1
PLCC  
23  
33  
34  
23  
22  
_PWR_OK  
_ATN  
_SS  
7
C5  
C4  
C3  
C2  
C1  
C0  
R0  
R1  
R2  
R3  
R4  
NC  
PWR_OK  
NC0  
OSCO  
OSCI  
Vcc  
NC  
NC  
_RESET  
_WKU  
Vx  
C12  
C13  
GIO0  
_IOTEST  
Vss  
NC  
R7  
R6  
R5  
R4  
The IC will scan, debounce and  
encode an 8 x 14 keyboard matrix.  
It communicates with the Host over  
the SPI channel, implementing a  
high-reliability two-way protocol.  
The UR5HCSPI-SA also offers  
programmable features for wake-  
up keys and general purpose I/O  
pins. The UR5HCSPI-SA is utilized  
in several Intel reference designs.  
SCK  
MOSI  
34 MISO  
XSW  
12  
17  
QFP  
SW0  
C8  
C9  
C7  
C10/WUKO  
29  
28  
12  
11  
44  
18  
1
Copyright 1999-2000 USAR Systems, Inc.  
All rights reserved.  
USAR – A Semtech Company  
Datasheet  
DOC5-SPI-SA-DS-107  
1

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