USB2512AI View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

USB2512AI

USB 2.0 Hi-Speed Hub Controller

Microchip Technology 

USB251xB/xBi

5.1.21 REGISTER 14H: PRODUCT STRING LENGTH

Bit Number

7:0

Bit Name

PRD_STR_LEN

Description

Product String Length: with a maximum string length of 31 characters (when

supported).

5.1.22 REGISTER 15H: SERIAL STRING LENGTH

Bit Number

7:0

Bit Name

SER_STR_LEN

Description

Serial String Length: with a maximum string length of 31 characters (when

supported).

5.1.23 REGISTER 16H-53H: MANUFACTURER STRING

Bit Number

7:0

Bit Name

MFR_STR

Description

Manufacturer String: UNICODE UTF-16LE per USB 2.0 Specification: with a

maximum string length of 31 characters (when supported).

Note: The string consists of individual 16-bit UNICODE UTF-16LE

characters. The characters will be stored starting with the LSB at the

least significant address and the MSB at the next 8-bit location.

(Subsequent characters must be stored in sequential contiguous

addresses in the same LSB, MSB manner.)

Warning: Close attention to the byte order of the selected programming tool

should be monitored.

5.1.24 REGISTER 54H-91H: PRODUCT STRING

Bit Number

7:0

Bit Name

PRD_STR

Description

Product String: UNICODE UTF-16LE per USB 2.0 Specification

When supported, the maximum string length is 31 characters (62 bytes).

Note: The string consists of individual 16-bit UNICODE UTF-16LE

characters. The characters will be stored starting with the LSB at the

least significant address and the MSB at the next 8-bit location.

(Subsequent characters must be stored in sequential contiguous

address in the same LSB, MSB manner.)

Warning: Close attention to the byte order of the selected programming tool

should be monitored.

5.1.25 REGISTER 92H-CFH: SERIAL STRING

Bit Number

7:0

Bit Name

SER_STR

Description

Serial String: UNICODE UTF-16LE per USB 2.0 specification

When supported, the maximum string length is 31 characters (62 bytes).

Note: The string consists of individual 16-bit UNICODE UTF-16LE

characters. The characters will be stored starting with the LSB at the

least significant address and the MSB at the next 8-bit location.

(Subsequent characters must be stored in sequential contiguous

address in the same LSB, MSB manner.)

Warning: Close attention to the byte order of the selected programming tool

should be monitored.

 2010 - 2015 Microchip Technology Inc.

DS00001692C-page 27

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