TSB41BA3DPFP datasheet(53/60 Pages) TI1

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TSB41BA3D

www.ti.com ............................................................................................................................................... SLLS959A – DECEMBER 2008 – REVISED MARCH 2009

Table 39. Link Request Type Encoding During Packet

Transmission

D1–D3

Request Type

000

No request

001

Isoch_Req_Odd

010

Isoch_Req_Even

011

Current

100

Next_Even

101

Next_Odd

110

Cyc_Start_Req

111

Reserved

Table 40. Link Request Speed Code Encoding During

Packet Transmission

D5–D6

DATA RATE

S100

S200

S400

S800

Table 41. Link Request Format Encoding During Packet Transmission

FORMAT

Link does not request either Beta or legacy packet format for bus transmission.

Link requests Beta packet format for bus transmission.

Table 42. Subaction End Notification Encoding During Packet Transmission

DESCRIPTION

Transmitted packet does not represent end of a subaction.

Transmitted packet marks the end of a subaction.

The PHY indicates to the link during the GRANT cycle which type of grant is being issued. This indication

includes the grant type as well as the grant speed. The link uses the bus grant for transmitting the granted

packet type. The link transmits a granted packet type only if its request type exactly matches the granted speed

and the granted format.

Table 43. Format Type During Grant Cycle

D0 VALUE DURING

FORMAT

GRANT CYCLE

Unspecified

Beta format

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