F280049CPMSR datasheet(29/271 Pages) TI2

29 / 271 page

Table 6-1. Pin Attributes (continued)

SIGNAL NAME

MUX

POSITION

100 PZ

PMQ

64 PM

RSH

TYPE

DESCRIPTION

VDDIO_SW

3.3-V Supply pin for the internal DC-DC regulator. If the

internal DC-DC regulator is used, a bulk input capacitance

of 20-µF should be placed on this pin. Always tie this pin to

the VDDIO pin. A ferrite bead may be used for isolation if

desired but VDDIO_SW and VDDIO must be supplied from

the same source.

VSS

5, 45,

72, 86

5, 26,

45, 58

5, 26,

45, 58

PAD

Digital Ground

VSSA

12, 33

Analog Ground

VSS_SW

Internal DC-DC regulator ground. Always tie this pin to the

VSS pin.

(1)

When DCDCEN = 1 the respective bits in AMSEL register are don't cares.

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TMS320F280049C-Q1, TMS320F280048C-Q1, TMS320F280041C-Q1, TMS320F280040C-Q1

TMS320F280049C, TMS320F280041C, TMS320F280049-Q1, TMS320F280048-Q1

TMS320F280041-Q1, TMS320F280040-Q1, TMS320F280049, TMS320F280045, TMS320F280041

SPRS945G – JANUARY 2017 – REVISED JANUARY 2023

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