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參數(shù)資料
| 型號(hào)： | UR5CSPI-SA-FN |
| 英文描述： | ENCODER|LDCC|44PIN|PLASTIC |
| 中文描述： | 編碼器| LDCC | 44PIN |塑料 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大?。?/td> | 151K |
| 代理商： | UR5CSPI-SA-FN |
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USAR SPICoder
TM
SA UR5HCSPI-SA
Zero-Power Keyboard Encoder
& Power Management IC for
Intel StrongARM-based H/PCs
USAR H/PC ICs family
product specifications
Description
Features
Applications
StrongARM
TM
Handheld PCs
Windows CE
Platforms
Web Phones
Personal Digital Assistants (PDAs)
Wearable Computers
Internet Appliance
Copyright 1999-2000 USAR Systems, Inc.
All rights reserved.
USAR – A Semtech Company
Datasheet
DOC5-SPI-SA-DS-107
1
Pin Assignments
The USAR SPICoder
TM
UR5HCSPI-
SA, a member of USAR’s H/PC ICs
family, is a keyboard encoder and
power management IC designed
specifically for Handheld PCs
(H/PCs), Web Phones and other
systems that run Microsoft
Windows CE
and utilize the Intel
StrongARM
TM
processor.
The UR5HCSPI-SA offers several
features necessary to H/PCs,
including low power consumption,
real estate-saving size, and special
keyboard modes.
The IC operates at Zero-Power
TM
(less than 2μA @ 3V), providing the
the host system both power
management and I/O flexibility, with
minimal battery drainage.
Special keyboard modes and built-
in power management features
allow the USAR SPICoder
TM
SA to
operate in harmony with the power
management modes of Windows
CE
, resulting in greater user
flexibility, and longer battery life.
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.
Fully compatible to the Windows
CE
keyboard specification
Works in harmony with the power
management modes of Win CE
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
Compatible with “system-on silicon”
CPUs for H/PCs
Available in small 10mm by 10mm,
44-pin QFP package
SPI-compatible keyboard encoder
and power management IC with
other interfaces available
Ideal for use with the Intel
StrongARM
TM
processor
Operates at patented Zero-Power
TM
— typically consuming less than
2μA, between 3-5V
Offers overall system power
management capabilities
Implements high-reliability two-way
protocol
1
11
12
22
33
23
44
34
PWR_OK
NC0
OSCO
OSCI
Vcc
NC
NC
_RESET
_WKU
Vx
C7
_
_
S
M
M
X
S
C
C
C
C
NC
C12
C13
GIO0
_IOTEST
Vss
NC
R7
R6
R5
R4
C
C
C
C
C
C
C
R
R
R
R
QFP
C
C
V
N
_
_
V
O
O
N
N
C5
C4
C3
C2
C1
C0
R0
R1
R2
R3
R4
_PWR_OK
_ATN
_SS
SCK
MOSI
MISO
XSW
SW0
C8
C9
C10/WUKO
N
R
R
R
V
N
_
G
C
C
C
40
1
6
7
12
17
18
23
28
29
34
39
PLCC
A Semtech Company
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| UR5HC418-FB | 制造商:Semtech Corporation 功能描述:Compatible Keyboard Encoder |
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