SN74AVCA406
MMC, SD CARD, Memory Stick, SmartMedia, AND xD-Picture Card
±15-kV ESD-PROTECTED VOLTAGE-TRANSLATION TRANSCEIVER
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SCES615H–OCTOBER 2004–REVISED JANUARY 2007
Configuration 1f - Interfacing With Memory Stick
Table 7. Memory Stick
SIGNAL NAME
PIN
NO.
PIN
NAME
PIN
TYPE
OR
PIN FUNCTION
(CONNECTION)
A1
B1
C1
D1
E1
F1
G1
A2
B2
VCCA
10A1
9A
VCCA
SCLK.h
BS.h
A-port supply voltage. VCCA powers all A-port I/Os and control inputs.
Clock signal from host
Power
Input
I/O
Bus state connected to host
9DIR
78DIR
7A
(tie-high)
(tie-high)
(tie-low)
VCCA
Direction control for 9A/9B connected to host. Tie high to make 9A an input, 9B an output.
Input
Input
I/O
Direction control for 7A/7B and 8A/8B. Not used in this mode. Tie to VCCA
I/O pin not used in this mode. Tie to GND.
.
VCCA
2A
A-port supply voltage. VCCA powers all A-port I/Os and control inputs.
Power
I/O
DATA1.h
DATA2.h
Data bit 2 connected to host. Referenced to VCCA
Data bit 3 connected to host. Referenced to VCCA
.
.
3A
I/O
Clock feedback to host for resynchronizing data. Used in OMAP processors. Optional on
other processors. Leave unconnected if not used.
C2
10A2
SCLK-f.h
Output
D2
E2
F2
G2
4A
6A
8A
5A
DATA3.h
(tie-low)
(tie-low)
(tie-low)
Data bit 4 connected to host. Referenced to VCCA
I/O pin not used in this mode. Tie to GND.
I/O pin not used in this mode. Tie to GND.
I/O pin not used in this mode. Tie to GND.
.
I/O
I/O
I/O
I/O
14
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