AM6548BACDXEAF datasheet(268/282 Pages) TI

268 / 282 page

Figure 9-9 shows a split configuration where VDDSHV[0, 1, 2, 5, 8] and VDDSHV0_WKUP are configured for 3.3

V operation, while VDDSHV[3, 4, 6, 7] and VDDSHV[2:1]_WKUP are configured for 1.8 V operation. Note the

colors indicate rails that are tied to the same source.

Device

VDDA_3P3_IOLDO_WKUP

VDDSHV0_WKUP

VDDSHV1_WKUP

VDDSHV2_WKUP

VDDA_3P3_IOLDO0

VDDA_3P3_IOLDO1

VDDSHV7

I/O Bias LDO

VDDSHV0

VDDSHV1

VDDSHV2

VDDSHV3

VDDSHV4

VDDSHV5

VDDSHV6

I/O Bias LDO

Wakeup

Domain

Main

Domain

SPRSP08 DECOUPLING CAPS_04

VDDS2_WKUP

VDDS1_WKUP

VDDS0

VDDS1

VDDS2

VDDS5

VDDS8

VDDSHV8

CAP_VDDA_1P8_IOLDO_WKUP

VDDA_POR_WKUP

VDDS0_WKUP

CAP_VDDA_1P8_IOLDO0

CAP_VDDA_1P8_IOLDO1

VDDS6(2)

(2)

VDDS3 (2)

VDDS4(2)

VDDS7(2)

Figure 9-9. VDDSHV[8:0] and VDDSHV[2:0]_WKUP Supplies Configured for Combination of 1.8 V or 3.3 V

Operation

Figure 9-10 through Figure 9-12 illustrates the system configuration when VDDSHV6 or VDDSHV7 is used as

the MMCSD supply.

AM6548, AM6528, AM6526

SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021

www.ti.com

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