Datasheet

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SN74AVCA406
MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card
± 15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER
SCES615H – OCTOBER 2004 – REVISED JANUARY 2007
Table 9. 8-Bit MMC (continued)
SIGNAL NAME
PIN PIN PIN
OR PIN FUNCTION
NO. NAME TYPE
(CONNECTION)
C7 3B DAT2 Data bit 3 connected to card. Referenced to V
CCB0
. I/O
D7 12B (tie-low) Input pin not used in this mode. Tie to GND. Input
E7 9B2 DNU I/O pin not used in this mode. Leave unconnected. I/O
F7 14B DNU Open-drain output not used in this mode. Leave unconnected. Output
B-port supply voltage. V
CCB1
powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B and 14B. Not
G7 V
CCB1
V
CCB1
Power
used in this mode. Tie to GND.
CONFIGURATION 3 FUNCTION TABLE
(MODE0 = H, MODE1 = L, 8-BIT MMC)
INPUTS
SIGNAL OPERATION
CS0 CS1 9DIR (1-4)DIR 56DIR 78DIR
Clock L X X X X X CLK.h to CLK, CLK to CLK-f.h
DAT0.h, DAT1.h, DAT2.h, DAT3.h, DAT0, DAT1, DAT2, and
H X X X X X
DAT3 are Hi Z.
DAT4.h, DAT5.h, DAT6.h, DAT7.h, DAT4, DAT5, DAT6, and
X H X X X X
DAT7 are Hi Z.
DAT0 to DAT0.h,
DAT1 to DAT1.h,
DAT2 to DAT2.h,
DAT3 to DAT3.h,
L L X L L L
DAT4 to DAT4.h,
DAT5 to DAT5.h,
Data
DAT6 to DAT6.h,
DAT7 to DAT7.h
DAT0.h to DAT0,
DAT1.h to DAT1,
DAT2.h to DAT2,
DAT3.h to DAT3,
L L X H H H
DAT4.h to DAT4,
DAT5.h to DAT5,
DAT6.h to DAT6,
DAT7.h to DAT7
H X X X X X CMD.h and CMD are Hi Z (isolation mode).
Command L X L X X X CMD to CMD.h
L X H X X X CMD.h to CMD
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