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 5. SDIO Card (Slot 0) and SD Card (Slot 1) (continued)
SIGNAL NAME
PIN PIN PIN
OR PIN FUNCTION
NO. NAME TYPE
(CONNECTION)
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
Card select from host. Active low. When CS0 = high, 1A, 2A, 3A, 4A, 1B, 2B, 3B, 4B, and
E4 CS0 CS0.h Input
9B1 are placed in Hi Z, and 10B1 is low.
F4 13A (tie-low) Input pin not used in this mode. Tie to GND. Input
Card select from host. Active low. When CS1 = high, 5A, 6A, 7A, 8A, 5B, 6B, 7B, 8B, 7B,
G4 CS1 CS1.h Input
and 9B2 are placed in Hi Z, and 10B2 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 DAT3.0 Data bit 4 connected to card in slot 0. Referenced to V
CCB0
. I/O
E5 GND GND Ground
F5 7B DAT2.1 Data bit 3 connected to card in slot 1. Referenced to V
CCB1
. I/O
G5 8B DAT3.1 Data bit 4 connected to card in slot 1. Referenced to V
CCB1
. I/O
A6 10B1 CLK.0 Clock signal connected to card in slot 0 Output
B6 9B1 CMD.0 Command signal connected to card in slot 0 Output
C6 2B DAT1.0 Data bit 2 connected to card in slot 0. Referenced to V
CCB0
. I/O
D6 11B DNU Output pin not used in this mode. Leave unconnected. Output
E6 10B2 CLK.1 Clock signal connected to card in slot 1 Output
F6 5B DAT0.1 Data bit 1 connected to card in slot 1. Referenced to V
CCB1
. I/O
G6 6B DAT1.1 Data bit 2 connected to card in slot 1. Referenced to V
CCB1
. I/O
A7 V
CCB0
V
CCB0
B-port supply voltage. V
CCB0
powers 1B, 2B, 3B, 4B, 9B1, and 10B1. Power
B7 1B DAT0.0 Data bit 1 connected to card in slot 0. Referenced to V
CCB0
. I/O
C7 3B DAT2.0 Data bit 3 connected to card in slot 0. Referenced to V
CCB0
. I/O
D7 12B (tie-low) Input pin not used in this mode. Tie to GND. Input
E7 9B2 CMD.1 Command signal connected to card in slot 1 I/O
Open-drain interrupt output for dual SDIO cards configuration. DAT1 is the input for
F7 14B IRQ.h Output
interrupt.
G7 V
CCB1
V
CCB1
B-port supply voltage. V
CCB1
powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Power
11
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