SN74AVCA406_10 Datasheet, PDF (9/45 Pages) Texas Instruments – MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card ±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER

www.ti.com
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)
PIN
NO.
PIN
NAME
SIGNAL NAME
OR
(CONNECTION)
PIN FUNCTION
A3 4DIR
B3
1A
(tie-high)
DO.h
Direction control for 4A/4B. Not used in this mode. Tie to V_CCA.
Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1A
an output.
C3
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
B4 1DIR
(tie-high)
(tie-low)
Direction control for 2A/2B. Tie to V_CCA to make 2A an input and 2B an output.
Direction control for 1A/1B. Tie to GND to make 1B an input and 1A an output.
C4 3DIR
D4 GND
(tie-high)
GND
Direction control for 3A/3B. Not used in this mode. Tie to V_CCA.
Ground
E4 CS0
(tie-low)
Card select signal. Not used in this mode. For proper operation, tie to GND.
F4
13A
(tie-low)
Input pin not used in this mode. Tie to GND.
G4 CS1
A5 MODE1
B5 MODE0
(tie-HIGH)
(tie-low)
(tie-low)
Card select. Not used in this mode. For proper operation, tie to V_CCA.
MODE1, MODE0 determine mode of operation (see Table 1). Tie to GND in this mode.
C5 GND
GND
Ground
D5
4B
E5 GND
DNU
GND
Card select connected to card. Connect 2DIR to V_CCA to make 2B an output.
Ground
F5
7B
DNU
I/O pin not used in this mode. Leave unconnected.
G5
8B
DNU
I/O pin not used in this mode. Leave unconnected.
A6 10B1
SCLK
Serial clock signal connected to card
B6
9B1
DI
Serial data in (master out slave in) connected to card
C6
2B
CS
I/O pin not used in this mode. Leave unconnected.
D6 11B
DNU
Output pin not used in this mode. Leave unconnected.
E6 10B2
DNU
Output pin not used in this mode. Leave unconnected.
F6
5B
DNU
I/O pin not used in this mode. Leave unconnected.
G6
6B
DNU
I/O pin not used in this mode. Leave unconnected.
A7
V_CCB0
B7
1B
V_CCB0
DO
B-port supply voltage. V_CCB0 powers 1B, 2B, 3B, 4B, 9B1, and 10B1.
Serial data out (master in slave out) connected to host. Connect 1DIR to GND to make 1B
an input.
C7
3B
DNU
I/O pin not used in this mode. Leave unconnected.
D7 12B
(tie-low)
Input pin not used in this mode. Tie to GND.
E7
9B2
DNU
I/O pin not used in this mode. Leave unconnected.
F7
14B
DNU
Open-drain output not used in this mode. Leave unconnected.
G7
V_CCB1
(tie-low)
B-port supply voltage. V_CCB1 powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Not
used in this mode. Tie to GND.
PIN
TYPE
Input
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
Submit Documentation Feedback
9