MAX14500 Datasheet, PDF (14/41 Pages) Maxim Integrated Products – Hi-Speed USB-to-SD Card Readers with Bypass

Hi-Speed USB-to-SD Card
Readers with Bypass
SD SLOT2
CCLK2
CCMD2
4
CDAT2_[3:0]
I²C CONTROL
SD PORT 2 SWITCHES
HCLK2
HCMD2
HDAT2_[3:0]
SD
PORT2
4
SD SLOT1
V_SD
V_CC
VBUS
D+
USB
CONNECTOR _D-
GND
CCRD_PRST
CCLK1
CCMD1
4
CDAT1_[3:0]
SD PORT 1 SWITCHES
HCRD_PRST
HCLK1
HCMD1
HDAT1_[3:0]
V_IO
4
V_IO
SD
PORT1
V_SD
V_CC
CLDO
RREF
KVBUS
CD+
CD-
SD CARD
INTERFACE
USB HS
CARD READER
USB
TRANCEIVER
MAX14500–
MAX14503
USB SWITCHES
BUSY OPTIONAL
MODE
INT
I2C_SEL
ADD
V_IO
SCL
SDA
V_TM
V_TM
HOST
PROCESSOR
FREF
HD+
HD-
USB
Figure 3. Typical Application Circuit for I²C Control Mode with Two SD Cards
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