RZ/A2M SUB Board RTK79210XXB00000BE
2. Function specifications
R20UT4398EJ0100 Rev.1.00
2-35
2018.10.11
2.12
SD Card Interface
RTK79210XXB00000BE is equipped with 4-bit SD card slot, and it connects to the channel 1 of the RZ/A2M on-chip
SD/MMC host interface (SDHI).
Figure 2.12.1 shows the SD card interface block diagram.
Figure 2.12.1
SD Card Interface Block Diagram
RZ/A2M (U1)
SD1_CLK
SD1_CMD
SD1_DAT[3:0]
8
CLK
CMD
D[3:0]
CLK
D[3:0]
SD card slot
(
CN10
)
CLK
DAT[3:0]
VDD
CMD
CMD
CD
Card_Detect
P5_4 /
SD1_CD
CD
P5_5 /
SD1_WP
WP
CD=0 : Card Inserted
WP
W_Protect
WP=0 : Unlock
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
Note:
Red text
indicates a function used .
:
Indicates a function not implemented .
:
Indicates a SUB board.
Содержание RTK79210**B00000BE
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Страница 106: ...RZ A2M SUB Board RTK79210XXB00000BE User s Manual R20UT4398EJ0100 ...