APXXXXSDXXX Datasheet, PDF (5/10 Pages) List of Unclassifed Manufacturers – ELECTRICAL INTERFACE

Secure Digital Card
APXXXXSDXXX/APXXXXSDHCX
1.0 ELECTRICAL INTERFACE
1.1 Card Architecture
1 2 3 4 5 6 78
9
DAT2
CMD
CD/DAT3
Memory card registers
[384 bytes]
VDD
CLK
Interface driver
DAT0
DAT1
WP
Card interface
controller
reset
Memory core interface
reset
Memory Core
Write Enabled
1 2 3 4 5 6 78
9
Write Protected
1 2 3 4 5 6 78
9
WP
WP
1.2 Pin Assignment
Pin _Name
SD Mode
Description
1 CD/DAT3 Card detect/Data line[Bit 3]
2 CMD
Command/Response
3 VSS1
Supply voltage ground
4 VDD
Supply voltage
5 CLK
Clock
6 VSS2
Supply voltage ground
7 DAT0
Data line[Bit 0]
8 DAT1
Data line[Bit 1]
9 DAT2
Data line[Bit 2]
Name
CS
DI
VSS
VDD
SCLK
VSS2
DO
Reserved
Reserved
SPI Mode
Description
Chip select
Data in
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data out
5
© 2011 Apacer Technology, Inc.
Rev .1.3