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| HB28K032MM3 Datasheet, PDF (75/91 Pages) Renesas Technology Corp – MultiMediaCard 32 MByte/64 MByte/128 MByte/256 MByte/512 MByte | |||
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HB28K032/L064/J128/J256/J512MM3, HB28K032/L064/J128/J256RM3
Power Supply
Power Supply Decoupling
The VSS1, VSS2 and VCC lines supply the card with operating voltage. For this, decoupling capacitors for
buffering current peak are used. These capacitors are placed on the bus side corresponding to Figure
âPower Supply Decouplingâ.
Lmax = 13 mm single card slot
VSS1
C
MultiMediaCard
VCC
VSS2
single card slot
C = 0.1 µF
Power Supply Decoupling
The host controller includes a central buffer capacitor for VCC. Its value is Cbuf = 1 µF/slot.
Rev.0.02, Sep.15.2004, page 75 of 89
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