Datasheet

High-Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
SMSC USB4640/USB4640i 29 Revision 1.3 (03-13-13)
DATASHEET
4.4.1 EEPROM Data Descriptor Register Descriptions
4.4.1.1 00h: USB Serial String Descriptor Length
4.4.1.2 01h: USB Serial String Descriptor Type
4.4.1.3 02h-19h: USB Serial Number Option
4.4.1.4 1Ah-1Bh: USB Vendor ID Option
4.4.1.5 1Ch-1Dh: USB Product ID Option
12Ah-145h N/A 00h
146h N/A 01h
147h - 14Bh N/A 01h, FFh, FFh, FFh, FFh
14Ch N/A 0Ah
14Dh-17Bh N/A 00h
17Ch-17Fh NVSTORE_SIG2 Non-Volatile Storage Signature
ecf1
BYTE NAME DESCRIPTION
0 USB_SER_LEN USB serial string descriptor length as defined by Section 9.6.7:
String of the
USB 2.0 Specification [1]. This field is the bLength, which describes the size
of the string descriptor (in bytes).
BYTE NAME DESCRIPTION
1 USB_SER_TYP USB serial string descriptor type as defined by Section 9.6.7:
String of the
USB 2.0 Specification [1]. This field is the bDescriptorType, a constant value
associated with a string descriptor type.
BYTE NAME DESCRIPTION
25:2 USB_SER_NUM Maximum string length is 12 hex digits. Must be unique to each device.
BYTE NAME DESCRIPTION
1:0 USB_VID This ID is unique for every vendor. The vendor ID is assigned by the USB
Implementer’s Forum.
BYTE NAME DESCRIPTION
1:0 USB_PID The product ID: assigned by the vendor; unique for every product.
Table 4.4 Internal Flash Media Controller Extended Configurations (continued)
ADDRESS REGISTER NAME DESCRIPTION INTERNAL DEFAULT VALUE