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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 923 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
SD Host Interrupt Enable Register (SDH_INTEN)
Register
Offset
R/W
Description
Reset Value
SDH_INTEN
0x828
R/W
SD Host Interrupt Enable Register
0x0000_0A00
31
30
29
28
27
26
25
24
CD1SRC
CD0SRC
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
DITO_IE
RITO_IE
SDIO1_IE
SDIO0_IE
CD1_IE
CD0_IE
7
6
5
4
3
2
1
0
Reserved
CRC_IE
BLKD_IE
Bits
Description
[31]
CD1SRC
SD Port 1 Card Detect Source Selection
0 = From SD port 1 data bit 3, the pin SD1_DAT3.
Host need clock to got data on pin SD1_DAT3. Please make sure CLK_KEEP1 (SDH_CTL[31])
is 1 to generate free running clock for SD1_DAT3 pin.
1 = From SD port 1 card detection pin, the pin SD1_nCD.
[30]
CD0SRC
SD Port 0 Card Detect Source Selection
0 = From SD port 0 data bit 3, the pin SD0_DAT3.
Host need clock to got data on pin SD0_DAT3. Please make sure CLK_KEEP0 (SDH_CTL[7])
is 1 to generate free running clock for SD0_DAT3 pin.
1 = From SD port 0 card detection pin, the pin SD0_nCD.
[29:14]
Reserved
Reserved.
[13]
DITO_IE
Data Input Time-out Interrupt Enable
Enable/Disable interrupts generation of SD controller when data input time-out. Time-out value
is specified at TMOUT (SDH_TMOUT[23:0]).
0 = Disable.
1 = Enable.
[12]
RITO_IE
Response Time-out Interrupt Enable
Enable/Disable interrupts generation of SD controller when receiving response or R2 time-out.
Time-out value is specified at (SDH_TMOUT[23:0]).
0 = Disable.
1 = Enable.
[11]
SDIO1_IE
SDIO Interrupt Enable for Port 1
Enable/Disable interrupts generation of SD host when SDIO card 1 issue an interrupt via pin
SD1_DAT1 to host.
0 = Disable.
1 = Enable.