SMS512DFA5E NUMONYX, SMS512DFA5E Datasheet - Page 12

• Manufacturer Part Number: SMS512DFA5E
• Description: MICROSD CARD SMS 512MB FLASH MEM
• Manufacturer: NUMONYX

Specifications of SMS512DFA5E

• Memory Size: 512MB
• Memory Type: SD (Secure Digital)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Secure digital memory card interface
12/60
Figure 3.
Table 9.
1. S: power supply; I: input; O: output using push-pull drivers; PP: I/O using push-pull drivers.
2. The extended DAT lines (DAT1-DAT3) are input on power up. They start to operate as DAT lines after
3. After power up this line is input with 50 KOhm pull-up (can be used for card detection or SPI mode
Pin
1
2
3
4
5
6
7
8
SET_BUS_WIDTH command. The Host shall keep its own DAT1-DAT3 lines in input mode, as well, while
they are not used. It is defined so, in order to keep compatibility to MultiMediaCards.
selection). The pull-up should be disconnected by the user, during regular data transfer, with
SET_CLR_CARD_DETECT (ACMD42) command.
CD/DA
Name
DAT2
DAT0
DAT1
CMD
T3
CLK
V
V
DD
SS
(2)
MicroSD pin assignment
MicroSD contact pad assignment
Type
I/O/PP Data line [bit 2]
I/O/PP
I/O/PP Data line [bit 0]
PP
(3)
S
S
I
(1)
SD mode
Card detect / data line
[bit 3]
Command/response
Supply voltage
Clock
Supply voltage ground
Description
Name
SCLK
RSV
RSV
V
V
DO
CS
DI
DD
SS
O/PP
Type
S
S
I
I
I
Reserved
Chip select (neg true)
Data in
Supply voltage
Clock
Supply voltage ground
Data out
Reserved
SPI mode
Ai11728
Description
SMSxxxDF