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UR5HCSPI-SA01-FB Datasheet

  • UR5HCSPI-SA01-FB

  • Encoder

  • 20頁(yè)

  • ETC

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USAR SPICoder
TM
SA01 UR5HCSPI-SA01
Zero-Power Keyboard Encoder
& Power Management IC for
Intel StrongARM
TM
H/PCs
Description
The USAR UR5HCSPI-SA01
SPICoder
TM
, a member of USAR鈥檚
H/PC IC product family, is a
keyboard encoder and power
management IC designed
specifically for Handheld PCs
(H/PCs), Web Phones and other
systems that run Microsoft
廬
Windows CE
廬
and utilize the Intel
StrongARM
TM
processor.
The UR5HCSPI-SA01 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 2碌A(chǔ) @ 3V), providing the
the host system both power
management and I/O flexibility, with
minimal battery drainage. Unlike
the UR5HCSPI-SA, the SA01 does
not offer Lid function.
Special keyboard modes and built-
in power management features
allow the USAR SPICoder
TM
SA01
to operate in harmony with the
power management modes of
Windows CE
廬
, 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-SA01 also offers
programmable features for wake-
up keys and general purpose I/O
pins.
Features
A Semtech Company
USAR H/PC ICs family
product specifications
r
s
s
-
鈥?SPI-compatible keyboard encoder
and power management IC; other
interfaces available
鈥?Ideal for use with the Intel
StrongARM
TM
processor
鈥?Operates at patented Zero-Power
TM
鈥?typically consuming less than
2碌A(chǔ), between 3-5V
鈥?Offers overall system power
management capabilities
鈥?Available in 10mm by 10mm, 44-
pin low profile QFP package; other
packaging available
鈥?Implements high-reliability two-way
protocol
鈥?Fully compatible to the WinCE
廬
keyboard specification
鈥?Works in harmony with the power
management modes of WinCE
廬
鈥?Provides special modes of
operation for H/PCs, including
programmable 鈥渨ake-up鈥?keys
鈥?Scans an 8 x 14 matrix; controls
discrete switches and LED
indicators
鈥?Compatible with 鈥渟ystem-on silicon鈥?/div>
CPUs for H/PCs
Applications
鈥?StrongARM
TM
Handheld PCs
鈥?Windows CE
廬
Platforms
鈥?Web Phones
Pin Assignments
鈥?Personal Digital Assistants (PDAs)
鈥?Wearable Computers
鈥?Internet Appliance
PWR_OK
NC0
OSCO
OSCI
Vcc
NC
NC
_RESET
_WKU
Vx
C7
33
34
_ATN
_SS
SCK
MOSI
MISO
XSW
SW0
C8
C9
C10/WUKO
C11
23
22
QFP
NC
C12
C13
GIO0
_IOTEST
Vss
NC
R7
R6
R5
R4
44
1
12
11
UR5HCSPI-SA01-FB
44-pin QFP
(0.80 mm pitch
(10x10 mm)
SPICoder
TM
is a trademark of USAR Systems, Inc. All
other trademarks belong to their respective companies.
USAR 鈥?A Semtech Company
Datasheet
DOC5-SPI-SA01-DS-103
C6
C5
C4
C3
C2
C1
C0
R0
R1
R2
R3
1

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