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RM0319 датащи(PDF) 180 Page - STMicroelectronics

номер детали RM0319
подробное описание детали  SPEAr320S architecture and functionality
PDF  368 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

RM0319 датащи(HTML) 180 Page - STMicroelectronics

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MMC-SD card/SDIO controller
RM0319
180/368
Doc ID 022640 Rev 3
14.3
Pins
Figure 56.
SD/SDIO/MMC controller pins
14.4
Functional overview
This section gives a functional overview of the host controller.
Table 58.
Signal description
Group
Signal name
Direction
Size
Description
Card interface
SD_CLK
Out
1
Clock to external card
DATA[7:0]
In/Out
8
SD1/SD4/SD8: Data line
SD_CMD
In/Out
1
SD1/SD4/SD8: Command line
SD_WP
In
1
Active high. SD card write protect
SD_CD
In
1
Active low. Card detection for single
slot
SD_LED
Out
1
Cautions the user not to remove the
card while the SD card is being
accessed.
AHB SLAVE
AHB MASTER
Interrupt to VIC (IRQ29)
SD_CLK
DATA[7:0]
SD_CMD
SD_WP
SD_CD
SD_LED
MMC_SD/SDIO
Controller
RAS_CLK_SYNT4
CLK48MHz
RAS_CFG
control register



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