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USB2507 датащи(PDF) 23 Page - Microchip Technology

номер детали USB2507
подробное описание детали  Integrated USB 2.0 Compatible 7-Port Hub
PDF  42 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2507 датащи(HTML) 23 Page - Microchip Technology

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 2007 - 2016 Microchip Technology Inc.
DS000002251A-page 23
USB2507
5.3.9.7
Register 06h: Device ID (MSB) (Reset = 0x00)
5.3.9.8
Register 07h: CONFIG_BYTE_1 (Reset = 0x00)
5.3.9.9
Register 08h: Configuration Data Byte 2 (Reset = 0x00)
Bit Number
Bit Name
Description
7:0
DID_MSB
Most Significant Byte of the Device ID.
Bit Number
Bit Name
Description
7
SELF_BUS_PWR
Self or Bus Power: Selects between Self- and Bus-Powered operation.
0 = Bus-Powered operation.
1 = Self-Powered operation.
Note:
If Dynamic Power Switching is enabled, this bit is ignored and the
SELF_PWR pin is used to determine if the hub is operating from self
or bus power.
6
PORT_IND
Port Indicator Support: Indicates implementation of LED indicators
0 = No LED indicators.
1 = LED indicators.
5
HS_DISABLE
High Speed Disable: Disables the capability to attach as either a High/Full-
speed device, and forces attachment as Full-speed only i.e. (no High-Speed
support).
0 = High-/Full-Speed.
1 = Full-Speed-Only (High-Speed disabled!)
4
MTT_ENABLE
Multi-TT enable: Enables one transaction translator per port operation.
0 = single TT for all ports.
1 = one TT per port (multiple TT’s supported)
3
EOP_DISABLE
EOP Disable: Disables EOP generation of EOF1 when in Full-Speed mode.
0 = EOP generation is normal.
1 = EOP generation is disabled.
2:1
CURRENT_SNS
Over Current Sense: Indicates whether current sensing is on a port-by-port
basis, or ganged.
00 = Ganged sensing (all ports together).
01 = Individual port-by-port.
0
PORT_PWR
Port Power Switching: Indicates whether port power switching is on a port-by-
port basis or ganged.
0 = Ganged switching (all ports together)
1 = Individual port-by-port switching.
Bit Number
Bit Name
Description
7
DYNAMIC
Dynamic Power Enable: Controls the ability for the Hub to transition to Bus-
Powered operation if the local power source is removed (can revert back to
Self-Power if local power source is restored).
0 = No Dynamic auto-switching.
1 = Dynamic Auto-switching capable.
6
Reserved
Reserved



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