Power Budgeting Data Select Register @0x164

This register is used to select the specific word of specific power-budgeting data returned on a read from the Power Budgeting Data Register. This version of the Controller stores power budgeting data for three distinct power states (i.e., D0, D1 and D3hot) for each Physical Function, which can be read from the Power Budgeting Data Register by indexing through this register, as described below.

Table 1. i_pwr_bdgtg_data_sel

Bits	SW	Name	Description	Reset
7:0	R/W	Power Budgeting Data Index [PBDN]	This field selects the power budgeting data read from the Power Budgeting Data Register. Its settings are: 00: Selects power budgeting data for power state D0 MAX for the associated PF. 01: Selects power budgeting data for power state D0 SUSTAINED for the associated PF. 10: Selects power budgeting data for power state D3hot for the associated PF. 11: Selects power budgeting data for power state D1 for the associated PF. Others: Not a valid setting. A read from the Power Budgeting Data Register returns all zeroes.	0x0
31:8	R	Reserved [R0]	Reserved.	0x0