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 4. SD/SDIO Card or MMC (continued)
SIGNAL NAME
PIN PIN PIN
OR PIN FUNCTION
NO. NAME TYPE
(CONNECTION)
A3 4DIR (tie-high) Direction control for 4A/4B. Not used in this mode. Tie to V
CCA
. Input
Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1A
B3 1A DO.h I/O
an output.
C3 Depopulated ball
D3 56DIR (tie-high) Direction control for 5A/5B and 6A/6B. Not used in this mode. Tie to V
CCA
. Input
E3 GND GND Ground
F3 12A DNU Output pin not used in this mode. Do not use. Leave unconnected. Output
G3 11A (tie-low) Input pin not used in this mode. Tie to GND. Input
A4 2DIR (tie-high) Direction control for 2A/2B. Tie to V
CCA
to make 2A an input and 2B an output. Input
B4 1DIR (tie-low) Direction control for 1A/1B. Tie to GND to make 1B an input and 1A an output. Input
C4 3DIR (tie-high) Direction control for 3A/3B. Not used in this mode. Tie to V
CCA
. Input
D4 GND GND Ground
E4 CS0 (tie-low) Card select signal. Not used in this mode. For proper operation, tie to GND. Input
F4 13A (tie-low) Input pin not used in this mode. Tie to GND. Input
G4 CS1 (tie-HIGH) Card select. Not used in this mode. For proper operation, tie to V
CCA
. Input
A5 MODE1 (tie-low) Input
MODE1, MODE0 determine mode of operation (see Table 1). Tie to GND in this mode.
B5 MODE0 (tie-low) Input
C5 GND GND Ground
D5 4B DNU Card select connected to card. Connect 2DIR to V
CCA
to make 2B an output. I/O
E5 GND GND Ground
F5 7B DNU I/O pin not used in this mode. Leave unconnected. I/O
G5 8B DNU I/O pin not used in this mode. Leave unconnected. I/O
A6 10B1 SCLK Serial clock signal connected to card Output
B6 9B1 DI Serial data in (master out slave in) connected to card Output
C6 2B CS I/O pin not used in this mode. Leave unconnected. I/O
D6 11B DNU Output pin not used in this mode. Leave unconnected. Output
E6 10B2 DNU Output pin not used in this mode. Leave unconnected. Output
F6 5B DNU I/O pin not used in this mode. Leave unconnected. I/O
G6 6B DNU I/O pin not used in this mode. Leave unconnected. I/O
A7 V
CCB0
V
CCB0
B-port supply voltage. V
CCB0
powers 1B, 2B, 3B, 4B, 9B1, and 10B1. Power
Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1B
B7 1B DO I/O
an input.
C7 3B DNU I/O pin not used in this mode. Leave unconnected. 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
(tie-low) Power
used in this mode. Tie to GND.
9
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