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PDF UIC4102CP Data sheet ( Hoja de datos )
| Número de pieza | UIC4102CP | |
| Descripción | extension cable between USB device and host | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UIC4102CP (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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26 Oct 2006 – Ver. 1.1 Preliminary UIC4102CP USB 1.1 Active Extension Cable
Description
This device is an extension cable between USB device and host (computer)
with embedded into connector “intelligent” integrated circuits on both sides of the
cable.
The USB cable with the chip inside is not a passive extension cable. It is an
active device. The USB signals going in and out of this extension cable in both
directions are buffered to assure signal quality. Unlike passive USB cables the IC
prevents signal degradation. The embedded “intelligent” integrated circuit cleans,
amplifies USB signal and watches USB 1.1 protocol. Its Control State Machine
enables and disables USB and Cable transmitters inside the chip depending on
USB signals.
Features
♦ Compliant with USB 1.1 specification;
♦ Provides support for any full-speed (12 Mb/s) or low-speed (1.5 Mb/s) USB
device;
♦ Allows a USB device to have its cable length extended up to 30 meters;
♦ Embedded USB 1.1 Transceivers prevents signal loss;
♦ Low cost in comparison with extension of cable using Hubs;
♦ Power (vcc) and ground (gnd) Wire Size: 20 AWG;
♦ USB Signal lines (DP and DM) Wire Size: 28 AWG, Stranded-Twisted Pair, 90
Ohm Characteristic Impedance;
♦ Downstream connector: Female, Type “A”, USB Approved Connector;
♦ Upstream connector: Male,
Type “A”, USB Approved Connector;
Free Datasheet http://www.datasheet4u.com/
1 page  
5
26 Oct 2006 – Ver. 1.1 Preliminary UIC4102CP USB 1.1 Active Extension Cable
Table 3. USB 1.1 Active Extension Cable embedded “intelligent” IC
Pin Description
Pin
Number
Name
Direction
Description
1
vcc
Power
Chip power, 3.3V
2 Port_Mode
Input
Externally assigns the embedded IC function.
0: downstream port (on device cable side);
3.3V: upstream port (on host cable side)
3
DMINUS
Input/Output
Data minus pin on cable side, corresponding to DM
pin on USB side
4
DPLUS
Input/Output
Data plus pin on cable side, corresponding to DP
pin on USB side
5
gnd
Power
Chip ground
6
v250
Analog
DPLUS, DMINUS low threshold
7 NC
- Must be not connected
8
XO
Output
Oscillator Output. Connect to external 24 MHz
crystal resonator
9 XI
Input
Oscillator Input. Connect to external 24 MHz
crystal resonator
10 gnd
Power
Chip ground
11 DP Input/Output USB Data Pin Data +
12 DM Input/Output USB Data Pin Data -
13 vcc
Power
Chip power, 3.3V
14 vcc
Power
Chip power, 3.3V
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet UIC4102CP.PDF ] | |
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