MAX14500 Datasheet, PDF (10/41 Pages) Maxim Integrated Products – Hi-Speed USB-to-SD Card Readers with Bypass

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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