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AN4658 датащи(PDF) 20 Page - STMicroelectronics

номер детали AN4658
подробное описание детали  For more and more applications using STM32 products
PDF  24 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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AN4658 датащи(HTML) 20 Page - STMicroelectronics

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Peripheral migration guide
AN4658
20/24
DocID027496 Rev 1
2.15
Secure digital input/output interface (SDIO)
The STM32F429xx and STM32F446xx products implement very similar SDIO module. The
key differences are listed in Table 20, where a gray cell indicates that the feature is not
available.
Table 21. SDIO_STA register for STM32F446xx products
Table 22. SDIO_ICR register for STM32F446xx products
Table 23. SDIO_CMD register for STM32F446xx products
Table 20. SDIO comparison
SDIO
STM32F429xx/439xx
STM32F446xx
Features
Full compliance with MultiMediaCard System Specification Version 4.2
Full compliance with SD Memory Card Specifications Version 2.0
Full compliance with SD I/O Card Specification Version 2.0
Full support of the CE-ATA features
NA
SDMMC registers(1)
1. See Table 21, Table 22 and Table 23.
The added bits in DCMI registers are shown in Table 21, Table 22 and Table 23, where the
changes are highlighted in red, and reserved bits are in light gray.
-
CE-ATA protocol related features
removed from specification (updated
SDIO_STA, SDIO_ICR and SDIO_CMD
registers)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SDIOIT
RXD
AVL
TXD
AVL
RX
FIFOE
TX
FIFOE
RX
FIFOF
TX
FIFOF
15
14
13
12
11
10
9
876
5
4321
0
RX
FIFO
HF
TX
FIFO
HE
RXACT TXACT
CMD
ACT
DBCK
END
Res.
DATA
END
CMDS
ENT
CMDR
END
RX
OVERR
TXUND
ERR
DTIME
OUT
CTIME
OUT
DCRC
FAIL
CCRC
FAIL
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SDIO
ITC
Res.
Res.
Res.
Res.
Res.
Res.
15
14
13
12
11
10
9
8
7
6
5
4
3210
Res.
Res.
Res.
Res.
Res.
DBCK
ENDC
Res.
DATA
ENDC
CMD
SENTC
CMD
RENDC
RX
OVERRC
TX
UNDERRC
DTIME
OUTC
CTIME
OUTC
DCRC
FAILC
CCRC
FAILC
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
15
14
13
12
11
10
9876
5432
10
Res.
Res.
Res.
Res.
SDIO
Suspend
CPSM
EN
WAIT
PEND
WAIT
INT
WAITRESP
CMDINDEX



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