EVB-USB4640 SMSC, EVB-USB4640 Datasheet - Page 41

• Manufacturer Part Number: EVB-USB4640
• Description: EVALUATION BOARD FOR USB4640
• Manufacturer: SMSC

Specifications of EVB-USB4640

• Main Purpose: Interface, USB 2.0 Hub
• Embedded: *
• Utilized Ic / Part: USB4640
• Primary Attributes: *
• Secondary Attributes: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1107

High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i
8.4.4.3
8.4.4.4
8.4.4.5
8.4.4.6
8.4.4.7
BIT
BIT
BIT
BIT
BIT
7:0
7:0
7:0
7:0
7
6
5
E0h: Product ID (LSB)
E1h: Product ID (MSB)
E2h: Device ID (LSB)
E3h: Device ID (MSB)
E4h: Configuration Data Byte 1 (CFG_DAT_BYT1)
SELF_BUS_PWR
HS_DISABLE
PID_LSB
PID_MSB
DID_MSB
Reserved
DID_LSB
NAME
NAME
NAME
NAME
NAME
Least Significant Byte of the Product ID. This is a 16-bit value that the vendor
can assign that uniquely identifies this particular product.
Self- or Bus-Power: Selects between self- and bus-powered operation.
The hub is either self-powered (draws less than 2 mA) or bus-powered
(limited to 100 mA maximum power prior to being configured by the host
controller).
When configured as a bus-powered device, the SMSC hub consumes less
than 100 mA of current prior to being configured. After configuration, the bus-
powered SMSC hub (along with all associated hub circuitry, any embedded
devices if part of a compound device, and 100 mA per externally available
downstream port) must consume no more than 500 mA of current. The
current consumption is system dependent, and the OEM must ensure that
the USB 2.0 specifications are not violated.
When configured as a self-powered device, <1 mA of current is consumed
and all ports are available, with each port being capable of sourcing 500 mA
of current.
‘0’ = Bus-powered operation
‘1’ = Self-powered operation
Reserved
Hi-Speed Disable: Disables the capability to attach as either a Hi-/Full-Speed
device, and forces attachment as Full-Speed only (i.e. no Hi-Speed support).
‘0’ = Hi-/Full-Speed
‘1’ = Full-Speed-Only (Hi-Speed disabled!)
Most Significant Byte of the Product ID. This is a 16-bit value that the vendor
can assign that uniquely identifies this particular product.
Least Significant Byte of the Device ID. This is a 16-bit device release
number in BCD (binary coded decimal) format.
Most Significant Byte of the Device ID. This is a 16-bit device release
number in BCD format.
DATASHEET
41
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
Revision 1.0 (06-09-09)