SH3301 Datasheet, PDF (1/8 Pages) Semtech Corporation – USB-Adapt™ SH3301 IC Converts PS/2 Data to USB

USB-Adapt™ SH3301
IC Converts PS/2 Data to USB
HID & SYSTEM MANAGEMENT PRODUCTS, SYSTEM MANAGEMENT FAMILY PRELIMINARY
DESCRIPTION
The USB-Adapt™ SH3301 is a
single IC that converts PS/2
keyboard and mouse data to
USB 1.1.
The USB-Adapt™ is ideal for
system legacy support, enabling
seamless connection of standard
PS/2 devices (mice or keyboards)
to USB.
The IC offers two hot-pluggable
and hot-swappable PS/2 ports;
either port can accept a mouse or
a keyboard. In addition, the USB-
Adapt™ auto-detects and
transparently supports the wheel
function of wheel mice.
FEATURES
• Interfaces PS/2 devices to USB
• Complies with USB 1.1
specification
• Provides two PS/2 ports
• PS/2 ports support mouse wheel
functionality
• Works with standard Windows
keyboard and mouse drivers
APPLICATIONS
• System legacy support
PIN ASSIGNMENTS
• Devices are hot-pluggable
• PS/2 ports are auto-selectable and
hot-swappable – a mouse or
keyboard can be used in either
port
• Easy to implement
• Few external components required
N/C 1
N/C 2
N/C 3
N/C 4
VDD 5
VSS1 6
XOUT 7
XIN 8
VSS 9
EPS2CLK0 10
EPS2DAT0 11
SH3301FB
QFP
33 N/C
32 N/C
31 N/C
30 N/C
29 N/C
28 N/C
27 N/C
26 N/C
25 N/C
24 N/C
23 N/C
Semtech is a registered trademark of Semtech
Corporation. USB-Adapt is a trademark of
Semtech Corporation. All other trademarks
belong to their respective companies.
Copyright ©1999-2002 Semtech Corporation
1
SH3301-DS-101
www.semtech.com