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PDF UR3HCGNP-001-RH Data sheet ( Hoja de datos )
| Número de pieza | UR3HCGNP-001-RH | |
| Descripción | IC Converts PS/2 Data to USB | |
| Fabricantes | Semtech Corporation | |
| Logotipo |  |
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GeniPS2TM UR3HCGNP-001
IC Converts PS/2 Data to USB
HID & SYSTEM MANAGEMENT PRODUCTS, PROTOCOL INTERPRETER FAMILY
DESCRIPTION
The GeniPS2TM UR3HCGNP-001 is
a single IC that converts PS/2
keyboard and mouse data to USB.
The GeniPS2TM 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
GeniPS2TM auto-detects and
transparently supports mice with
MouseWheel functionality. Internal
and external mouse and keyboard
data are streamed and appear to
the system as if coming from a
single source.
The GeniPS2TM supports remote
wake-up function via either mouse
or keyboard, if the BIOS of the host
machine is configured in this
manner.
In addition, the GeniPS2TM supports
a multitude of languages, including
Korean and Japanese.
FEATURES
• Interfaces PS/2 devices to USB
• Devices are hot-pluggable
• Provides two PS/2 ports
• PS/2 ports support MouseWheel
functionality
APPLICATIONS
• System Legacy Support
PIN ASSIGNMENTS
• PS/2 ports are auto-selectable and
hot-swappable – the mouse or
keyboard can be used in either
port
• Works with standard Windows 98
keyboard and mouse drivers
• Easy to implement
• Few external components required
64
65
Reserved
Reserved
Reserved
Reserved
SOF
USB_DP
USB_DM
XCVR_CAP
VSS 1
VDD 1
Reserved
Rerserved
Reserved
Reserved
Reserved
Reserved
80
UR3HCGNP-001-RH
41
40
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
25
1 24
Geni and GeniPS2 are trademarks of Semtech
Corporation. All other trademarks belong to their
respective companies.
Copyright ©1999-2001 Semtech Corporation
DOC3-GNP-001-DS-104
1
www.semtech.com
1 page  
USB DESCRIPTORS, (CON’T)
Offset Field
Size Value Description
HID Interface Descriptor (Keyboard)
0 bLength
1 09
1 bDescriptorType 1 04
2
bInterfaceNumber
1
00
3
bAlternateSetting
1
00
4 bNumEndpoints 1 01
5 bInterfaceClass
1 03
6 bInterfaceSubClass 1 01
7
bInterfaceProtocol
1
01
8 iInterface
1 00
Interface Descriptor length
Interface Descriptor
Index for HID interface
Alternate Setting index
Number of endpoints in this interface.
This includes one interrupt endpoint
USB HID class
Keyboard subclass
Boot protocol
Index for interface string
descriptor – none
HID Class Descriptor (Keyboard)
0 bLength
1
1 bDescriptorType 1
2 bcdHID
2
4 bCountryCode
1
5
bNumDescriptors
1
6 bDescriptorType 1
7
wDescriptorLength
2
09
21
0101
00
01
22
0040
HID Descriptor length
HID Descriptor
HID Specification Release (1.01)
Country Code (not supported)
Number of class descriptors. The one
descriptor is the report descriptor
Report Descriptor
Length of Report Descriptor
EndPoint Descriptor (Keyboard)
0 bLength
1
1
bDescriptor type
1
2
bEndpointAddress
1
3 bmAttributes
1
4
wMaxPacketSize
2
6 bInterval
1
07
05
83
03
0008
04
Endpoint Descriptor Length
Endpoint Descriptor
Address:Endpoint3.IN
Endpoint Attributes: interrupt
Maximum Packet Size: 8 bytes
Polling Interval
Copyright ©1999-2001 Semtech Corporation
DOC3-GNP-001-DS-104
5
www.semtech.com
5 Page 
ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Ratings
Supply Voltage
Input Voltage
Input Voltage USB D+, D-
Operating Temperature
UR3HCGNP-001-RH
Storage Temperature Range
Symbol
Vdd
Vin
Vin USB
Ta
Tstg
Value
-0.3 to 7.0
Vss -0.3 to Vdd +0.3
-0.5 to +3.8
T low to T high
-20 to +85
-40 to +125
DC Electrical Characteristics, Temperature range=T low to T high unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Supply Voltage
Vdd
+4.15
+5
+5.25
Input High Voltage
Vih 0.8Vdd
Input Low Voltage
Vil
0.2Vdd
Peak Output Current Io -10
+10
Average Output Current
Io (avg)
-5
+5
Output Voltage (Ioh = -10mA)
Voh
Vdd-2.0
(Iol = 10 mA)
Vol
2.0
Input Current
Iin -5
+5
Supply Current
(Vdd=5.0 Vdc+/-10%, Vss=0,
USB operating)
Idd
70 90
Supply Current
(Vdd=5.0 Vdc+/-10%, Vss=0,
USB suspended)
Idd
200 250
Unit
V
V
V
°C
°C
°C
Unit
V
V
V
mA
mA
V
µA
mA
µA
Control Timing (Vdd=5.0 Vdc +/-10%, Vss=0 Vdc, Temperature range=T low to T high unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
Frequency of Operation
fosc
MHz
Crystal Option
24.0
External Clock Option
24.0
Copyright ©1999-2001 Semtech Corporation
DOC3-GNP-001-DS-104
11
www.semtech.com
11 Page | ||
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