SN74AVCA406
MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card
±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER
www.ti.com
SCES615H–OCTOBER 2004–REVISED JANUARY 2007
Table 7. Memory Stick (continued)
SIGNAL NAME
OR
(CONNECTION)
PIN
NO.
PIN
NAME
PIN
PIN FUNCTION
TYPE
A3
B3
C3
D3
E3
F3
G3
A4
B4
C4
D4
4DIR
1A
DATU-dir.h
DATA0.h
Direction control for 4A/4B
Input
I/O
Data bit 1 connected to host. Referenced to VCCA
Depopulated ball
.
56DIR
GND
12A
(tie-high)
GND
Direction control for 5A/5B and 6A/6B. Not used in this mode. Tie to VCCA
Ground
.
Input
DNU
Output pin not used in this mode. Do not use. Leave unconnected.
Input pin not used in this mode. Tie to GND.
Direction control for 2A/2B connected to host
Direction control for 1A/1B connected to host
Direction control for 3A/3B connected to host
Ground
Output
Input
Input
Input
Input
11A
(tie-low)
DATU-dir.h
DAT0-dir.h
DATU-dir.h
GND
2DIR
1DIR
3DIR
GND
Card select from host. Active low. When CS0 = high, 1A, 2A, 3A, 4A, 1B, 2B, 3B, 4B, 9A,
9B1, and 10A2 are placed in Hi Z, and 10B1 is low.
E4
CS0
CS0.h
Input
F4
G4
A5
B5
C5
D5
E5
F5
G5
A6
B6
C6
D6
E6
F6
G6
A7
B7
C7
D7
E7
F7
13A
CS1
MODE1
MODE0
GND
4B
(tie-low)
(tie-high)
(tie-low)
(tie-low)
GND
Input pin not used in this mode. Tie to GND.
Input
Input
Input
Input
Card select signal. Not used in this mode. Tie to VCCA for proper operation.
MODE1, MODE0 determine mode of operation (see Table 1). Tie to GND in this mode.
Ground
DATA3
GND
Data bit 4 connected to card. Referenced to VCCB0
.
.
I/O
GND
7B
Ground
DNU
I/O pin not used in this mode. Leave unconnected.
I/O pin not used in this mode. Leave unconnected.
Clock signal connected to card
I/O
I/O
8B
DNU
10B1
9B1
2B
SCLK
BS
Output
Output
I/O
Bus state signal connected to card
DATA1
DNU
Data bit 2 connected to card. Referenced to VCCB0
11B
10B2
5B
Output pin not used in this mode. Leave unconnected.
Output pin not used in this mode. Leave unconnected.
I/O pin not used in this mode. Leave unconnected.
Output
Output
I/O
DNU
DNU
6B
DNU
I/O pin not used in this mode. Leave unconnected.
I/O
VCCB0
1B
VCCB0
DATA0
DATA2
(tie-low)
DNU
B-port supply voltage. VCCB0 powers 1B, 2B, 3B, 4B, 9B1, and 10B1.
Power
I/O
Data bit 1 connected to card. Referenced to VCCB0
Data bit 3 connected to card. Referenced to VCCB0
Input pin not used in this mode. Tie to GND.
.
3B
.
I/O
12B
9B2
14B
Input
I/O
I/O pin not used in this mode. Leave unconnected.
DNU
Open-drain output not used in this mode. Leave unconnected.
Output
B-port supply voltage. VCCB1 powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Not
used in this mode. Tie to GND.
G7
VCCB1
(tie-low)
Power
15
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