SN74AVCA406
MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card
±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER
www.ti.com
SCES615H–OCTOBER 2004–REVISED JANUARY 2007
CONFIGURATION 1 FUNCTION TABLE
(MODE0 = L, MODE1 = L)
INPUTS
CS1 9DIR (1-4)DIR
OPERATION
SIGNAL
CS0
MMC/SD
Memory Stick/Memory Stick PRO
CLK.0 and CLK.1 forced low,
CLK-f.h forced Hi Z
SCLK.0 and SCLK.1 forced low,
SCLK-f.h forced Hi Z
H
H
L
X
X
X
X
CLK.h to CLK.0 and CLK.1,
CLK.0 to CLK-f.h
SCLK.h to SCLK.0 and SCLK.1,
SCLK.0 to SCLK-f.h
L
L
CLK.h to CLK.0,
CLK.0 to CLK-f.h,
CLK.1 forced low
SCLK.h to SCLK.0,
SCLK.0 to SCLK-f.h,
SCLK.1 forced low
Clock
H
X
X
CLK.h to CLK.1,
CLK.1 to CLK-f.h,
CLK.0 forced low
SCLK.h to SCLK.1,
SCLK.1 to SCLK-f.h,
SCLK.0 forced low
H
H
L
X
X
X
X
H
All data I/Os are Hi Z (isolation mode).
All data I/Os are Hi Z (isolation mode).
DAT0.0 and DAT0.1 to DAT0.h,
DAT1.0 and DAT1.1 to DAT1.h,
DAT2.0 and DAT2.1 to DAT2.h,
DAT3.0 and DAT3.1 to DAT3.h
DATA0.0 and DATA0.1 to DATA0.h,
DATA1.0 and DATA1.1 to DATA1.h,
DATA2.0 and DATA2.1 to DATA2.h,
DATA3.0 and DATA3.1 to DATA3.h
L(1)
L(1)
L
L(1)
L(1)
H
X
X
X
L
H
L
DAT0.h to DAT0.0 and to DAT0.1,
DAT1.h to DAT1.0 and to DAT1.1,
DAT2.h to DAT2.0 and to DAT2.1,
DAT3.h to DAT3.0 and to DAT3.1
DATA0.h to DATA0.0 and to DATA0.1,
DATA1.h to DATA1.0 and to DATA1.1,
DATA2.h to DATA2.0 and to DATA2.1,
DATA3.h to DATA3.0 and to DATA3.1
DAT0.0 to DAT0.h,
DAT1.0 to DAT1.h,
DAT2.0 to DAT2.h,
DAT3.0 to DAT3.h
DATA0.0 to DATA0.h,
DATA1.0 to DATA1.h,
DATA2.0 to DATA2.h,
DATA3.0 to DATA3.h
Data
DAT0.h to DAT0.0,
DAT1.h to DAT1.0,
DAT2.h to DAT2.0,
DAT3.h to DAT3.0
DATA0.h to DATA0.0,
DATA1.h to DATA1.0,
DATA2.h to DATA2.0,
DATA3.h to DATA3.0
L
H
X
H
L
DAT0.1 to DAT0.h,
DAT1.1 to DAT1.h,
DAT2.1 to DAT2.h,
DAT3.1 to DAT3.h
DATA0.1 to DATA0.h,
DATA1.1 to DATA1.h,
DATA2.1 to DATA2.h,
DATA3.1 to DATA3.h
H
L
X
DAT0.h to DAT0.1,
DAT1.h to DAT1.1,
DAT2.h to DAT2.1,
DAT3.h to DAT3.1
DATA0.h to DATA0.1,
DATA1.h to DATA1.1,
DATA2.h to DATA2.1,
DATA3.h to DATA3.1
H
H
L
X
X
H
X
CMD.h, CMD.0, and CMD.1 are Hi Z
(isolation mode).
BS.h, BS.0, and BS.1 are Hi Z (isolation
mode).
H
L
L
L
L
H
L
X
X
X
X
X
X
CMD.h to CMD.0 and CMD.1
CMD.0 and CMD.1 to CMD.h
CMD.h to CMD.0
BS.h to BS.0 and BS.1
BS.0 and BS.1 to BS.h
BS.h to BS.0
Command
L
H
H
L
H
L
L
CMD.0 to CMD.h
BS.0 to BS.h
H
H
H
L
CMD.h to CMD.1
BS.h to BS.1
L
CMD.1 to CMD.h
BS.1 to BS.h
DAT1.0 and DAT1.1 to IRQ.
IRQ is an open-drain output.
DATA1.0 and DATA1.1 to IRQ.
IRQ is an open-drain output.
H
L
H
H
X
X
X
X
DAT1.1 to IRQ.
IRQ is an open-drain output.
DATA1.1 to IRQ.
IRQ is an open-drain output.
Interrupt
request
DAT1.0 to IRQ.
IRQ is an open-drain output.
DATA1.0 to IRQ.
IRQ is an open-drain output.
H
L
L
L
X
X
X
X
IRQ is Hi Z.
IRQ is Hi Z.
(1) Broadcast mode in which the host writes to or reads from both cards in parallel
16
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