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Details, datasheet, quote on part number:UR3HCGNP-001
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Datasheet text preview:
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 · 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
APPLICATIONS · System Legacy Support PIN ASSIGNMENTS
Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
64
41
40
Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved
65
Reserved Reserved Reserved Reserved SOF USB_DP USB_DM XCVR_CAP VSS 1 VDD 1 Reserved Rerserved Reserved Reserved Reserved Reserved
UR3HCGNP-001-RH
80
Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved VSSO RESET Reserved Reserved VSS OSCIN OSCOUT VDD AVDD LPF AVSS PS2D2 Reserved PS2C2 PS2C1 PS2D1
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
ORDERING CODE
Package options 80-pin, PQFP Other Materials GeniPS2TM Eval Kit Pitch in mm's 0.8 Type Evaluation Kit TA = -20°C to +85°C UR3HCGNP-001-RH Order number EVK3-GNP-001-XXX
BLOCK DIAGRAM
System
USB I/O
Keyboard/Mouse PS/2 Handler PS2 Port 1 PS2 Port 2
Copyright ©1999-2001 Semtech Corporation DOC3-GNP-001-DS-104
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www.semtech.com
USB FUNCTIONALITY The GeniPS2 is a full-speed composite USB device that interfaces PS/2.
TM
PIN DEFINITIONS
Mnemonic Power Supply VDD VDD1 AVDD AVSS VSS VSS0 VSS1 XCVRCAP Reset _RESET QFP Type Name and Function
The PS/2 interface supports legacy Human Input Devices (HID)-class specification and uses two interrupt endpoints for the PS/2 devices. The GeniPS2TM handles the merging of all this data, and sends the data to the system. Data can come from either of the two PS/2 ports. Internal and external mouse and keyboard data are streamed and appear to the system as if coming from a single source.
16 74 17 19 13 9 73 72
PWR PWR PWR PWR PWR PWR PWR PWR
Positive supply voltage Positive supply voltage Positive analog reference voltage Ground: analog signal Ground: negative supply voltage Ground: negative supply voltage Ground: negative supply voltage Bypass line
10
I
Controller hardware reset pin: Active-low reset line
Oscillator pins OSCIN OSCOUT LPF USB _SOF USB_DP USB-DM PS/2 PS2D2 PS2C2 PS2C1 PS2D1 Reserved Reserved
14 15 18
I O O
Oscillator input: input signal from oscillator Oscillator output: output signal to oscillator Loop filter for frequency synthesizer
69 70 71
O I/O I/O
USB _SOF signal USB D+ line USB D- line
20 22 23 24
I/O I/O I/O I/O
Data line for PS/2 port 2 Clock line for PS/2 port 2 Clock line for PS/2 port 1 Data line for PS/2 port 1
1-8 25-40 41-69 75-80
N/U
Not used; keep open; reserved for future functions
Copyright ©1999-2001 Semtech Corporation DOC3-GNP-001-DS-104
3
www.semtech.com
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