SN74AVCA406_10 Datasheet, PDF (11/45 Pages) Texas Instruments – MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card ±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER

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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)
PIN
NO.
PIN
NAME
SIGNAL NAME
OR
(CONNECTION)
PIN FUNCTION
B3
1A
C3
DAT0.h
Data bit 1 connected to host. Referenced to V_CCA.
Depopulated ball
D3 56DIR
E3 GND
(tie-high)
GND
Direction control for 5A/5B and 6A/6B. Not used in this mode. Tie to V_CCA.
Ground
F3
12A
DNU
Output pin not used in this mode. Do not use. Leave unconnected.
G3 11A
(tie-low)
Input pin not used in this mode. Tie to GND
A4 2DIR
DAT1-dir.h Direction control for 2A/2B connected to host
B4 1DIR
DAT0-dir.h Direction control for 1A/1B connected to host
C4 3DIR
DAT2-dir.h Direction control for 3A/3B connected to host
D4 GND
GND
Ground
E4 CS0
CS0.h
Card select from host. Active low. When CS0 = high, 1A, 2A, 3A, 4A, 1B, 2B, 3B, 4B, and
9B1 are placed in Hi Z, and 10B1 is low.
F4
13A
(tie-low)
Input pin not used in this mode. Tie to GND.
G4 CS1
CS1.h
Card select from host. Active low. When CS1 = high, 5A, 6A, 7A, 8A, 5B, 6B, 7B, 8B, 7B,
and 9B2 are placed in Hi Z, and 10B2 is low.
A5 MODE1
B5 MODE0
(tie-low)
(tie-low)
MODE1, MODE0 determine mode of operation (see Table 1). Tie to GND in this mode.
C5 GND
GND
Ground
D5
4B
E5 GND
DAT3.0
GND
Data bit 4 connected to card in slot 0. Referenced to V_CCB0.
Ground
F5
7B
G5
8B
A6 10B1
DAT2.1
DAT3.1
CLK.0
Data bit 3 connected to card in slot 1. Referenced to V_CCB1.
Data bit 4 connected to card in slot 1. Referenced to V_CCB1.
Clock signal connected to card in slot 0
B6
9B1
CMD.0
Command signal connected to card in slot 0
C6
2B
D6 11B
DAT1.0
DNU
Data bit 2 connected to card in slot 0. Referenced to V_CCB0.
Output pin not used in this mode. Leave unconnected.
E6 10B2
CLK.1
Clock signal connected to card in slot 1
F6
5B
G6
6B
A7
V_CCB0
B7
1B
C7
3B
D7 12B
DAT0.1
DAT1.1
V_CCB0
DAT0.0
DAT2.0
(tie-low)
Data bit 1 connected to card in slot 1. Referenced to V_CCB1.
Data bit 2 connected to card in slot 1. Referenced to V_CCB1.
B-port supply voltage. V_CCB0 powers 1B, 2B, 3B, 4B, 9B1, and 10B1.
Data bit 1 connected to card in slot 0. Referenced to V_CCB0.
Data bit 3 connected to card in slot 0. Referenced to V_CCB0.
Input pin not used in this mode. Tie to GND.
E7
9B2
CMD.1
Command signal connected to card in slot 1
F7
14B
IRQ.h
Open-drain interrupt output for dual SDIO cards configuration. DAT1 is the input for
interrupt.
G7
V_CCB1
V_CCB1
B-port supply voltage. V_CCB1 powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B.
PIN
TYPE
I/O
Input
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
Output
Output
I/O
Output
Output
I/O
I/O
Power
I/O
I/O
Input
I/O
Output
Power
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