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UR5HCSPI-FN Datasheet

  • UR5HCSPI-FN

  • Zero-PowerTM Keyboard Encoder & Power Management IC for H/PC...

  • 20頁(yè)

  • SEMTECH   SEMTECH

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SPICoder
TM
UR5HCSPI
Zero-Power
TM
Keyboard Encoder &
Power Management IC for H/PCs
HID & SYSTEM MANAGEMENT PRODUCTS, H/PC IC FAMILY
DESCRIPTION
The SPICoder
TM
UR5HCSPI
keyboard encoder and power
management IC is designed
specifically for handheld PCs
(H/PCs). The off-the-shelf
UR5HCSPI will readily work with
CPUs designed for Windows CE
廬
,
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 make it the ideal
companion for the new generation
of Windows CE
廬
-compatible,
single-chip computers: low-power
consumption; real estate-saving
size; and special keyboard modes.
鈥淨(jìng)uasi鈥?Zero-Power
TM
consumption
(less than 2碌A(chǔ) @ 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 SPICoder
TM
to
operate in harmony with the power
management modes of Windows
CE
廬
, resulting in more user flexibility
and longer battery life.
The UR5HCSPI also offers
programmable features for wake-up
keys and general purpose I/O pins.
FEATURES
鈥?SPI-compatible keyboard encoder
and power management IC with
other interfaces available
鈥?Compatible with Windows CE
廬
keyboard specification
鈥?Zero-Power
TM
鈥?typically
consuming less than 2碌A(chǔ),
between 3-5V
鈥?Offers overall system power
management capabilities
鈥?Compatible with 鈥渟ystem-on silicon鈥?/div>
CPUs for H/PCs
鈥?Special keyboard and power
management modes for H/PCs,
including programmable 鈥渨ake-up鈥?/div>
keys
鈥?Scans, debounces, and encodes
an 8 x 12 matrix and controls
discrete switches and LED
indicators
鈥?Custom versions available
APPLICATIONS
鈥?StrongARM
TM
Handheld PCs
鈥?Windows CE
廬
Platforms
鈥?Web Phones
PIN ASSIGNMENTS
_ATN
_SS
SCK
MOSI
MISO
XSW
SW0
C8
C9
C10/WUKO
C11/_LID
C6
C7
Vx
NC
_WKU
_RESET
Vcc
OSCI
OSCO
NC0
NC
鈥?Personal Digital Assistants (PDAs)
鈥?Wearable Computers
鈥?Internet Appliance
6
23
22
_PWR_OK
NC0
OSCO
OSCI
Vcc
NC
NC
_RESET
_WKU
Vx
C7
33
34
UR5HCSPI-FB
QFP
NC
LED2
LED1
LED0
_IOTEST
Vss
NC
R7
R6
R5
R4
44
1
12
11
C5
C4
C3
C2
C1
C0
R0
R1
R2
R3
R4
7
1
40
39
12
UR5HCSPI-FN
PLCC
34
C6
C5
C4
C3
C2
C1
C0
R0
R1
R2
R3
17
18
23
29
28
_PWR_OK
_ATN
_SS
SCK
MOSI
MISO
XSW
SW0
C8
C9
C10/WUKO
SPICoder is a trademark of Semtech Corp. All
other trademarks belong to their respective
companies.
Copyright Semtech 1997-2001
DOC5-SPI-DS-117
1
www.semtech.com
NC
R5
R6
R7
Vss
NC
_IOTEST
LED0/GIO0
LED1/C13
LED2/C12
C11/_LID

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