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 6. Alternate SD/SDIO Card (continued)
SIGNAL NAME
PIN PIN PIN
OR PIN FUNCTION
NO. NAME TYPE
(CONNECTION)
A3 4DIR DAT3-dir.h Direction control for 4A/4B Input
B3 1A DAT0.h Data bit 1 connected to host. Referenced to V
CCA
. I/O
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 DAT1-dir.h Direction control for 2A/2B connected to host Input
B4 1DIR DAT0-dir.h Direction control for 1A/1B connected to host Input
C4 3DIR DAT2-dir.h Direction control for 3A/3B connected to host Input
D4 GND GND Ground
E4 CS0 (tie-high) Card select signal. Not used in this mode. Tie to V
CCA
for proper operation. Input
F4 13A (tie-low) Input pin not used in this mode. Tie to GND. Input
Card select from host. Active low. When CS1 = high, 1A, 2A, 3A, 4A, 5B, 6B, 7B, 8B, 9A,
G4 CS1 CS1 Input
9B2, and 10A2 are placed in Hi Z, and 10B1 is low.
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 I/O pin not used in this mode. Leave unconnected. I/O
E5 GND GND Ground
F5 7B DAT2 Data bit 3 connected to card. Referenced to V
CCB1
. I/O
G5 8B DAT3 Data bit 4 connected to card. Referenced to V
CCB1
. I/O
A6 10B1 DNU Output pin not used in this mode. Leave unconnected. Output
B6 9B1 DNU Output pin not used in this mode. Leave unconnected. Output
C6 2B DNU 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 CLK Clock signal connected to card Output
F6 5B DAT0 Data bit 1 connected to card. Referenced to V
CCB1
. I/O
G6 6B DAT1 Data bit 2 connected to card. Referenced to V
CCB1
. I/O
B-port supply voltage. V
CCB0
powers 1B, 2B, 3B, 4B, 9B1, and 10B1.
A7 V
CCB0
(tie-low) Power
Not used in this mode. Tie to GND.
B7 1B DNU I/O pin not used in this mode. Leave unconnected. I/O
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 CMD Command signal connected to card I/O
F7 14B DNU Open-drain output not used in this mode. Leave unconnected. Output
G7 V
CCB1
V
CCB1
B-port supply voltage. V
CCB1
powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Power
13
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