EDM1-IMX6PLUS HARDWARE MANUAL
– VER 1.00 – NOV 16 2016
Page
49
of
83
3.9. SDIO/MMC Interface
The EDM1-IMX6PLUS features a MMC / SD / SDIO host interfaces connected to the NXP i.MX6
integrated “Ultra Secured Digital Host Controller” (uSDHC).
The following main features are supported by uSDHC:
Compatible with the MMC System Specification version 4.2/4.3/4.4/4.5.
Conforms to the SD Host Controller Standard Specification version 3.0.
Compatible with the SD Memory Card Specification version 3.0 and supports the
“
Extended
Capacity SD Memory Card
”
.
Compatible with the SDIO Card Specification version 3.0.
Supports 1-bit / 4-bit SD and SDIO modes, 1-bit / 4-bit
The MMC/SD/SDIO host controller can support a single MMC / SD / SDIO card or device.
For additional details, please refer to
the “Ultra Secured Digital Host Controller (uSDHC)” chapter of the
“i.MX6 Reference Manual”.
Table 24 - SDIO/MMC Interface Signal Description
EDM
PIN
i.MX6
BALL
PAD NAME
Signal
V
I/O
Description
203
T1
GPIO_2
GPIO1_IO02
3V3
I/O MMC/SDIO Card Detect
205
B21
SD1_CMD
SD1_CMD
3V3
I/O MMC/SDIO Command
206
D20
SD1_CLK
SD1_CLK
3V3
O
MMC/SDIO Clock
207
N6
CSI0_DAT8
GPIO5_IO26
3V3
I/O MMC/SDIO Write Protect
208
P4
CSI0_MCLK
GPIO5_IO19
3V3
O
MMC/SDIO LED
209
C20
SD1_DAT1
SD1_DATA1
3V3
I/O MMC/SDIO Data bit 1
210
P1
CSI0_PIXCLK
GPIO5_IO18
3V3
O
MMC/SDIO Power Enable
211
F18
SD1_DAT3
SD1_DATA3
3V3
I/O MMC/SDIO Data bit 3
212
A21
SD1_DAT0
SD1_DATA0
3V3
I/O MMC/SDIO Data bit 0
214
E19
SD1_DAT2
SD1_DATA2
3V3
I/O MMC/SDIO Data bit 2
Содержание EDM1-IMX6PLUS
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