Multimedia Card/Secure Digital Host Controller Module (MMC/SD)
Table 20-9. MMC/SD Response Time-Out Register Description
Name
Reserved
Bits 31–8
RESPONSE TIME OUT
Bits 7–0
20.6.6 MMC/SD Read Time-Out Register
The MMC/SD Read Time-Out Register defines the time-out error for received data.
READ_TO
BIT
31
30
29
TYPE
r
r
r
0
0
0
RESET
BIT
15
14
13
TYPE
rw
rw
rw
1
1
1
RESET
Table 20-10. MMC/SD Read Time-Out Register Description
Name
Reserved
Bits 31–16
DATA READ TIME OUT
Bits 15–0
20-22
Description
Reserved—These bits are reserved and should read 0.
Response Time-Out—Specifies the number of clock
counts between the command and when the MMC/SD
module turns on the time-out error for the received
response.
MMC/SD Read Time-Out Register
28
27
26
25
r
r
r
r
0
0
0
0
12
11
10
9
DATA READ TIME OUT
rw
rw
rw
rw
1
1
1
1
Reserved—These bits are reserved and should read 0.
Received Data Time-Out—Specifies the number of clocks between the command and
when the MMC/SD module turns on the time-out error for the received data. The unit is
CLK_20M ÷ 256. A value of 0x2DB4 is recommended.
MC9328MX1 Reference Manual
24
23
22
21
20
r
r
r
r
0
0
0
0
0
0x0000
8
7
6
5
4
rw
rw
rw
rw
rw
1
1
1
1
1
0xFFFF
Description
Settings
0x01 = 1 clock counts
...
0xFF = 255 clock counts
Addr
0x00214014
19
18
17
16
r
r
r
r
0
0
0
3
2
1
rw
rw
rw
rw
1
1
1
MOTOROLA
r
0
0
1