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 10. SmartMedia or xD-Picture Card (continued)
SIGNAL NAME
PIN PIN PIN
OR PIN FUNCTION
NO. NAME TYPE
(CONNECTION)
C5 GND GND Ground
D5 4B I/O4 Data I/O 4 connected to card. Referenced to V
CCB
. I/O
E5 GND GND Ground
F5 7B I/O7 Data I/O 7 connected to card. Referenced to V
CCB
. I/O
G5 8B I/O8 Data I/O 8 connected to card. Referenced to V
CCB
. I/O
A6 10B1 RE Read enable connected to card Output
B6 9B1 CLE Command latch enable connected to card Output
C6 2B I/O2 Data I/O 2 connected to card. Referenced to V
CCB
. I/O
D6 11B WP Write protect connected to card Output
E6 10B2 WE Write enable connected to card Output
F6 5B I/O5 Data I/O 5 connected to card. Referenced to V
CCB
. I/O
G6 6B I/O6 Data I/O 6 connected to card. Referenced to V
CCB
. I/O
A7 V
CCB0
V
CCB
B-port supply voltage. V
CCB0
powers 1B, 2B, 3B, 4B, 9B1, and 10B1. Power
B7 1B I/O1 Data I/O 1 connected to card. Referenced to V
CCB
. I/O
C7 3B I/O3 Data I/O 3 connected to card. Referenced to V
CCB
. I/O
D7 12B R/B Read/busy connected to card Input
E7 9B2 ALE Address latch enable connected to host I/O
F7 14B CE Chip enable connected to card Output
G7 V
CCB1
V
CCB
B-port supply voltage. V
CCB1
powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. Power
CONFIGURATION 4 FUNCTION TABLE
(MODE0 = H, MODE1 = H, 8-BIT SmartMedia/xD-Picture Card)
INPUTS
SIGNAL OPERATION
CS0 CS1 9DIR (1-4)DIR 56DIR 78DIR
X X X X X X WE.h to WE
Clock
L X X X X X RE.h to RE, RE to RE-f.h
H X X X X X All data I/Os are Hi Z (isolation mode).
Data LX X X L L L I/O(1-8) to I/O(1-8).h
L X X H H H I/O(1-8).h to I/O(1-8)
Command X X X X X X CLE.h to CLE, ALE.h to ALE
Interrupt request X X X X X X CE.h to CE
WP.h to WP, R/B to R/B.h
Others X X X X X X
(R/B.h is an open-drain output)
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