Datasheet

TPS65950

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SWCS032E–OCTOBER 2008–REVISED JANUARY 2011

4.5 Power Management

4.5.1 Boot Modes

The modes corresponding to the BOOT0–BOOT1 combination value are listed in Table 4-24.

Table 4-24. BOOT Mode Description

Name Description BOOT0 BOOT1

Reserved 0 0

MC027 Master_C027_Generic 01 0 1

MC021 Master_C021_Generic 10 1 0

SC021 Slave_C021_Generic 11 1 1

4.5.2 Process Modes

The process modes parameter defines:

• The boot voltage for the host core

• The boot sequence associated with the process

• The dynamic voltage and frequency scaling (DVFS) protocol associated with the process

4.5.2.1 C027.0 Mode

Table 4-25 lists the parameters for C027.0 mode.

Table 4-25. C027.0 Mode Description

Boot core voltage 1.3 V

Power sequence VIO followed by VDD1 and VPLL

DVFS protocol VMODE1/2

4.5.2.2 C021.M Mode

Table 4-26 lists the parameters for C021.M mode.

Table 4-26. C021.M Mode Description

Boot core voltage 1.2 V

Power sequence VIO followed by VPLL1, VDD2, VDD1

DVFS protocol SmartReflex IF (I

C high speed)

4.5.3 Power-On Sequence

4.5.3.1 Timings Before Sequence_Start

The starting time of the power-on sequence relative to external events is shown in Figure 4-8.

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