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UR5HCSPI-06 Datasheet (HTML) - Semtech Corporation

Part No. UR5HCSPI-06
Description  Zero-PowerTM Keyboard Encoder & Power Management IC for H/PCs
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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SPICoderTM 06 UR5HCSPI-06
Zero-PowerTM Keyboard Encoder &
Power Management IC for H/PCs
SPICoder is a trademark of Semtech Corp. All
other trademarks belong to their respective
companies.
Copyright Semtech 1997-2001
DOC5-SPI-06-DS-103
www.semtech.com
1
HID & SYSTEM MANAGEMENT PRODUCTS, H/PC IC FAMILY
DESCRIPTION
FEATURES
• StrongARMTM Handheld PCs
• Windows CE® Platforms
• Web Phones
• Personal Digital Assistants (PDAs)
• Wearable Computers
• Internet Appliance
The UR5HCSPI-06 keyboard
encoder and power management
IC is designed specifically for
handheld PCs (H/PCs). The off-the-
shelf UR5HCSPI-06 will readily work
with CPUs designed for Windows
CE®, saving OEMs significant
development time and money as
well as minimizing time-to-market
for the new generations of handheld
products.
Three main design features of the
UR5HCSPI-06 make it the ideal
companion for the new generation
of Windows CE® -compatible,
single-chip computers: low-power
consumption; real estate-saving
size; and special keyboard modes.
“Quasi” Zero-PowerTM consumption
(less than 2µA @ 3V), a must for
H/PCs, provides the host system
with both power management and
I/O flexibility, with almost no battery
drainage.
Finally, special keyboard modes
and built-in power management
features allow the SPICoderTM 06 to
operate in harmony with the power
management modes of Windows
CE®, resulting in more user flexibility
and longer battery life.
The UR5HCSPI-06 also offers
programmable features for wake-up
keys and general purpose I/O pins.
• Special keyboard and power
management modes for H/PCs,
including programmable “wake-
up” keys
• Scans, debounces, and encodes
an 8 x 14 matrix and controls
discrete switches and LED
indicators
• Available in a small 44-pin QFP
package
• Custom versions available
• SPI-compatible keyboard encoder
and power management IC with
other interfaces available
• Compatible with Windows CE®
keyboard specification
• Zero-PowerTM — typically
consuming less than 2µA,
between 3-5V
• Offers overall system power
management capabilities
• Compatible with “system-on
silicon” CPUs for H/PCs
111
12
22
33
23
44
34
PWR_OK
NC0
OSCO
OSCI
Vcc
NC
NC
_RESET
_WKU
Vx
C7
NC
C12
C13
GIO0
_IOTEST
Vss
NC
R7
R6
R5
R4
QFP
C5
C4
C3
C2
C1
C0
R0
R1
R2
R3
R4
_PWR_OK
_ATN
_SS
SCK
MOSI
MISO
XSW
SW0
C8
C9
C10/WUKO
40
1
6
7
12
17
18
23
28
29
34
39
PLCC
APPLICATIONS
PIN ASSIGNMENTS



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