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UR8HC007-004

Description
Zero-PowerTM Input Device and Power Management IC
File Size155KB,20 Pages
ManufacturerSEMTECH
Websitehttp://www.semtech.com
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UR8HC007-004 Overview

Zero-PowerTM Input Device and Power Management IC

Juno
TM
04 UR8HC007-004
Zero-Power
TM
Input Device and
Power Management IC
HID & SYSTEM MANAGEMENT PRODUCTS, H/PC IC FAMILY
DESCRIPTION
The Juno
TM
04 is a member of a
series of input device and power
management companion ICs for
RISC-based portable systems. On
a single IC, the Juno
TM
04 integrates
control of any 4-wire or 8-wire
resistive touch screen, keyboard
scanning, unique power
management capabilities, and
plenty of General Purpose Input /
Output (GPIO).
The Juno
TM
04 provides continuous
operation between 3 and 5V and
scans a fully programmable 8 X 16
keyboard matrix.The Zero-Power
TM
Juno
TM
04 will power down even
between key presses. Typical
power consumption is less than 1
µA, a first for embedded ICs.
The Juno
TM
04 is equipped with
Semtech’s proprietary protocol
developed specifically for RISC-
based handheld machines. It
interfaces the system via either
Asynchronous Serial (UART) or the
Serial Peripheral Interface (SPI).
The integration of features, many of
them programmable, on one IC
increases flexibility and reduces
component count and cost.
FEATURES
• Typically consumes less than 1µA
• Scans an 8 x 16 keyboard matrix
that supports Japanese, English
and European keyboards
• Interfaces any four- or eight-wire
resistive touch screen
• Operates continuously between 3
Volts and 5 Volts
• Offers unique power management
capabilities that work in harmony
with Windows® CE power modes
• Always runs in "Stop" mode without
data or event loss
• GPIO pins provide interrupt at both
falling and rising edge of signals,
ideal for lid functions, power, ring
indicators, docking signals, battery
measurement, etc.
APPLICATIONS
• Jupiter-class devices
• Professional H/PCs
PIN ASSIGNMENTS
R2
R3
R4
R5
R6
R7
C0
C1
C2
C3
C4
C5
C6
C7
LEFT0/GIO60
LEFT1/GIO61
LEFT2/GIO62
LEFT3/GIO63
RIGHT0/GIO64
RIGHT1/GIO65
• Has additional GPIO available for
LEDs, switches, etc.
• Offers internal control of LCD
brightness/contrast, audio, etc. as
well as four 10-bit A/D channels
for power management monitoring
• Provides programmable features
that allow for maximum design
differentiation without
customization
• Cost-effective, reducing overall
system costs by integrating
features that would typically
require multiple components
• Available in 80-pin 13 x 13 mm,
1.7mm high package to
accommodate slim designs
• H/PCs
• Web Phones, G3 Terminals
60
61
R1
R0
BOT3/RIGHT
BOT2/LEFT
BOT1/BOT
BOT0/TOP
TOP3/RIGHTEN
TOP2/LEFTEN
TOP1/BOTEN
TOP0/TOPEN
VDD
AVREF
AVSS
TOPAD
BOTAD
LEFTAD
RIGHTAD
C15
C14
GIO31/AD1
41
40
RIGHT2/GIO66
RIGHT3/GIO67
C8
C9
C10
C11
GIO00/LED0
GIO01/LED1
GIO02/LED2
GIO03/LED3
VSS
OSCO
OSCI
C12
C13
RESET
VSS1
LID
PWROK
MOSI/RXD
UR8HC007-004-FQ
80
GIO30/AD0
GIO43
GIO42/BLINKCANCEL
GIO41/SW1/±INT1
TOUCHINT
HSUS
DA1/PWM1/GIO51
DA0/PWM0/GIO50
21
1
GIO11
GIO10
ATN/CTS
SCLK/ISEL
MISO/TXD
SS/RTS
20
Juno is a trademark of Semtech Corporation. All
other trademarks belong to their respective
companies.
Copyright @1998-2001 Semtech Corporation
DOC8-007-004-DS-103
1
www.semtech.com

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