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UR6HCPS2 Datasheet

  • UR6HCPS2

  • PS2Adapt - Converts PS/2 Data to Serial or SPI

  • 176.15KB

  • 22頁(yè)

  • ETC

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PS2Adapt鈩?UR6HCPS2-SP40
Converts PS/2 Data to Serial or SPI
HID & SYSTEM MANAGEMENT PRODUCTS, SYSTEM MANAGEMENT FAMILY
DESCRIPTION
The PS2Adapt鈩?UR6HCPS2-SP40
is an extremely low-power protocol
interpreter that can link an
AT / PS/2-compatible Human Input
Device (HID), such as a keyboard,
mouse, bar-code reader, etc. to
any host system equipped with
either an asynchronous serial
interface or the Serial Peripheral
Interface (SPI).
The IC was designed specifically
for RISC-based portable devices
that are limited to asynchronous
and SPI interfaces. The
PS2Adapt鈩?allows designers to
easily connect PS/2 devices to
their system.
The PS2Adapt鈩?emulates all the
functions of the 8042 keyboard
controller which typically resides
on the AT / PS/2 motherboard. The
extremely low-power PS2Adapt鈩?/div>
will power down even between
key presses and bewteen mouse
reports. Typical power
consumption is only 1 碌A(chǔ)
operating between 3-5 Volts.
The extremely low-power boasts 4
external PS/2 ports that support
the hot-plug connection of an
external PS/2 keyboard or mouse,
including MouseWheel, 5-button
mice and touch screens in
absolute mode.
Each of four external PS/2 ports
also support more than 140 key
scan codes including international
language keys, internet keys, and
power keys. The PS2Adapt鈩?also
offers 4 reserved pins for LED
functions.
E3DATA
RxD
TxD
SCLK
SDATA
_PWR_OFF
_CTS/_ATN
CONF0
PRELIMINARY
FEATURES
鈥?Typically consumes less than 1 碌A(chǔ)
鈥?Interfaces the host system via
either an asynchronous serial
interface or the Serial Peripheral
Interface (SPI)
鈥?Jumper selectable interface and
Baud rate
鈥?Offers four PS/2 ports for the hot-
plug connection of external
keyboards or mice including
MouseWheel, 5-button mice and
absolute mode touch screens
APPLICATIONS
鈥?Hand-held PCs (H/PCs)
鈥?Web phones
PIN ASSIGNMENTS
鈥?PDAs
鈥?System legacy support
鈥?Easy to use, one way
communication protocol
鈥?Operating voltage between 3
and 5 Volts
鈥?Custom versions available in
small or large quantities
鈥?Tiny 7x7 mm package to
accommodate slim designs
24
25
E1DATA
E1CLK
E0DATA
E0CLK
_RTS/_SS
E3CLK
E2DATA
E2CLK
17
16
RES0
LED0
LED1
UR6HCPS2-SP40-FG
LQFP
LED2
LED3
VSS
_OSCOUT
OSCIN
32
1
VREF
X_PWR
ASI/_SPI_SEL
CONF2
VDD
VSS2
_RESET
CONF1
9
8
PS2Adapt is a trademark of Semtech Corporation.
All other trademarks belong to their respective
companies.
Copyright 漏2000-2001 Semtech Corporation
DOC6-PS2-SP40-DS-103
1
www.semtech.com

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