AM6546ACD datasheet(144/284 Pages) TI

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7.9.2.3 Power-Up Sequencing

Figure 7-4 describes the Power-Up Sequencing using On Chip Power-on-reset (POR) of the device.

Note 6

SPRSP08_ELCH_03

Note 7

Note 8

(2)

VDDS1_WKUP , VDDS2_WKUP

VDDS1 ,VDDS2 , VDDS3 , VDDS4 , VDDS5 , VDDS6 ,

VDDS7 , VDDS8

VDDA_1P8_CSI0,

VDDA_PLL1_DDR,

VDDA_PLL_MPU1

VDDA_SRAM_CORE1

VDDA_SRAM_MPU1

VDDS0_WKUP ,

, VDDS0 ,

VDDA_1P8_OLDI0,

VDDA_1P8_SERDES0, VDDA_MCU, VDDA_PLL_CORE,

VDDA_PLL0_DDR,

VDDA_PLL_DSS,

VDDA_PLL_MPU0,

, VDDA_PLL_PER0,

VDDA_SRAM_CORE0,

, VDDA_SRAM_MPU0,

, VDDA_WKUP, VDDS_OSC1

(2)

VDDA_ADC_MCU, VDDA_LDO_WKUP, VDDA_POR_WKUP,

VDDA_3P3_IOLDO_WKUP,

VDDA_3P3_SDIO, VDDA_3P3_USB

VDDA_3P3_IOLDO0, VDDA_3P3_IOLDO1,

VDDS_DDR

VDD_MPU0, VDD_MPU1

WKUP_OSC0_XI, WKUP_OSC0_XO

(12)

RESETz, MCU_RESETz

RESETSTATz, MCU_RESETSTATz

WKUP_LFOSC0_XI, WKUP_LFOSC0_XO

(optional)

(3)(12)

OSC1_XI, OSC1_XO

(optional)

(9)(12)

PORz_OUT, MCU_PORz_OUT

(11)

MCU_BYP_POR

PORz, MCU_PORz

(4)

VDDSHV0_WKUP,VDDSHV1_WKUP, VDDSHV2_WKUP,

VDDSHV0, VDDSHV1, VDDSHV2, VDDSHV3, VDDSHV4,

VDDSHV5, VDDSHV6, VDDSHV7, VDDSHV8

VDD_CORE, VDD_DLL_MMC0, VDD_DLL_MMC1

VDD_MCU

VDD_WKUP0, VDD_WKUP1

Note 10

Figure 7-4. Power-Up Sequencing using On Chip Power-on-reset (POR)

AM6548, AM6528, AM6546, AM6526

SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021

www.ti.com

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