MAX14502 Ver la hoja de datos (PDF) - Maxim Integrated

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componentes Descripción

Fabricante

MAX14502

Hi-Speed USB-to-SD Card Readers with Bypass

Maxim Integrated 

Hi-Speed USB-to-SD Card

Readers with Bypass

PIN

TQFN

WLP

10

A8

34

E2

32

E3

33

F1

17

D7

16

D8

15

D6

14

D5

31

G1

29

G2

30

F2

—

D2

—

D1

—

B5

—

A5

—

F4

—

F3

—

D3

—

E1

Pin Description (continued)

NAME

FUNCTION

CDAT1_3

SD Card 1 Data Bus Analog Switch/Card Reader Interface. CDAT1_3 connects to

DAT3 on the SD card.

CCMD1

SD Card 1 Command Analog Switch/Card Reader Interface. CCMD1 connects to

CMD on the SD card.

CCLK1

SD Card 1 Clock Analog Switch/Card Reader Interface. CCLK1 connects to CLK on

the SD card.

CCRD_PRST

SD Card 1 Analog Switch for Card Present Detection. CCRD_PRST is the card

detection line to the SD socket. When in Pass Thru mode, CCRD_PRST is connected

to HCRD_PRST.

HDAT1_0

SD Card 1 Data Bus Analog Switch. HDAT1_0 connects to DAT0 on the SD port of

the host µP.

HDAT1_1

SD Card 1 Data Bus Analog Switch. HDAT1_1 connects to DAT1 on the SD port of

the host µP.

HDAT1_2

SD Card 1 Data Bus Analog Switch. HDAT1_2 connects to DAT2 on the SD port of

the host µP.

HDAT1_3

SD Card 1 Data Bus Analog Switch. HDAT1_3 connects to DAT3 on the SD port of

the host µP.

HCMD1

HCLK1

HCRD_PRST

SD Card 1 Command Analog Switch. HCMD1 connects to CMD on the SD port of the

host µP.

SD Card 1 Clock Analog Switch. HCLK1 connects to CLK on the SD port of the host µP.

SD Card 1 Analog Switch for Card Present Detection. HCRD_PRST is connected to

CCRD_PRST in Pass Thru mode.

CDAT2_0

SD Card 2 Data Bus Analog Switch/Card Reader Interface. CDAT2_0 connects to

DAT0 on the SD card.

CDAT2_1

SD Card 2 Data Bus Analog Switch/Card Reader Interface. CDAT2_1 connects to

DAT1 on the SD card.

CDAT2_2

SD Card 2 Data Bus Analog Switch/Card Reader Interface. CDAT2_2 connects to

DAT2 on the SD card.

CDAT2_3

SD Card 2 Data Bus Analog Switch/Card Reader Interface. CDAT2_3 connects to

DAT3 on the SD card.

CCMD2

SD Card 2 Command Analog Switch/Card Reader Interface. CCMD2 connects to

CMD on the SD card.

CCLK2

SD Card 2 Clock Analog Switch/Card Reader Interface. CCLK2 connects to CLK on

the SD card.

HDAT2_0

HDAT2_1

SD Card 2 Data Bus Analog Switch. HDAT2_0 connects to DAT0 on the SD port of

the host µP.

SD Card 2 Data Bus Analog Switch. HDAT2_1 connects to DAT1 on the SD port of

the host µP.

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