DRA821U4...ALM datasheet(97/252 Pages) TI

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7.3 Recommended Operating Conditions (continued)

over operating free-air temperature range (unless otherwise noted)

SUPPLY NAME

DESCRIPTION

MIN

(1)

NOM

MAX

(1)

UNIT

VDDA_MCU_PLLGRP0

Analog supply for MCU PLL Group 0

1.71

1.8

1.89

VDDA_PLLGRP0

Analog supply for MAIN PLL Group 0

1.71

1.8

1.89

VDDA_PLLGRP4

Analog supply for MAIN PLL Group 4

1.71

1.8

1.89

VDDA_PLLGRP6

Analog supply for MAIN PLL Group 6

1.71

1.8

1.89

VDDA_PLLGRP8

Analog supply for MAIN PLL Group 8

1.71

1.8

1.89

VDDA_WKUP

Oscillator supply for WKUP domain

1.71

1.8

1.89

VDDA_ADC_MCU

ADC analog supply

1.71

1.8

1.89

VDDA_0P8_PLL_DDR

DDR PLL analog supply

0.76

0.8

0.84

VDDA_MCU_TEMP

Analog supply for temperature sensor 0 in MCU

domain

1.71

1.8

1.89

VDDA_POR_WKUP

WKUP domain analog supply

1.71

1.8

1.89

VDDA_TEMP0

Analog supply for temperature sensor 0

1.71

1.8

1.89

VDDA_TEMP1

Analog supply for temperature sensor 1

1.71

1.8

1.89

VDDS_DDR(2)

DDR inteface power supply

1.05

1.1

1.15

VDDS_DDR_BIAS(2)

Bias supply for LPDDR4

1.05

1.1

1.15

VDDS_DDR_C(2)

IO power for DDR Memory Clock Bit (MCB) macro

1.05

1.1

1.15

VDDS_MMC0

MMC0 IO supply

1.71

1.8

1.89

VDDA_OSC1

HFOSC1 supply

1.71

1.8

1.89

VDDA_*

Peak to Peak Noise for all VDDA inputs

VDDSHV0

IO supply for main domain

general

1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

VDDSHV0_MCU

IO supply MCUSS general IO

group, and MCU and Main

domain warm reset pins

1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

VDDSHV1_MCU

IO supply for MCUSS IO group 1 1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

VDDSHV2

IO supply for main domain IO

group 2

1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

VDDSHV2_MCU

IO supply for MCUSS IO group 2 1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

VDDSHV5

IO supply for main domain IO

group 5

1.8-V operation

1.71

1.8

1.89

3.3-V operation

3.14

3.3

3.46

USB0_VBUS

Voltage range for USB VBUS comparator input

See(6)

3.46

USB0_ID

Voltage range for the USB ID input

See(4)

VSS

Ground

Operating junction temperature

range

Automotive

-40

125

°C

Extended

-40

105

°C

Commercial

°C

(1)

The voltage at the device ball must never be below the MIN voltage or above the MAX voltage for any amount of time. This

requirement includes dynamic voltage events such as AC ripple, voltage transients, voltage dips, and so forth.

(2)

A single 1.1-V source must drive all three VDDS_DDR, VDDS_DDR_BIAS, VDDS_DDR_C supplies. These supplies are required to

still be powered with LPDDR4 voltage ranges, even If DDR interface is unused.

(3)

A single 0.8-V source must drive the VDD_CORE and VDDA_0P8_ PHY input supplies. Also, include Analog filter components on the

individual VDDA_0P8_ PHY input supplies for interfaces that are used in the system.

(4)

This terminal is connected to analog circuits in the respective USB PHY. The circuit sources a known current while measuring the

voltage to determine if the terminal is connected to VSS with a resistance less than 10 Ω or greater than 100 kΩ. The terminal should

be connected to ground for USB host operation or open-circuit for USB peripheral operation, and should never be connected to any

external voltage source.

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DRA821U-Q1

SPRSP57D – APRIL 2020 – REVISED DECEMBER 2022

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