Maxim Integrated MAX32665 - Table 8-77: SDHC Normal Interrupt Status Register

MAX32665-MAX32668 User Guide
Maxim Integrated Page 207 of 457
Error Interrupt Status Register
SDHC_ER_INT_STAT
[0x0032]
Bits
Name
Access
Reset
Description
1
cmd_crc
R/W1C
0
Command CRC Error
Set for the following cases:
1) If a response is returned, and the Command Timeout Error is set to 0, then
this error flag is set if a CRT error is detected in the Command Response.
2) The SDHC detects a CMD-line conflict by monitoring the SDHC_CMD line
when a command is issued. The SDHC sets the Command Timeout Error
flag if a CMD line conflict is detected. A CMD line conflict indicates the
CMD line was driven to 1, and the SDHC detected a 0 on the CMD line on
the next SDCLK.
1: Error
0: No error
0
cmd_to
R/W1C
0
Command Timeout Error
Set if there is not response within 64 SDCLK cycles from the end bit of a
command.
1: Error
0: No error
Note: If both the SDHC_ER_INT_STAT.cmd_crc and SDHC_ER_INT_STAT.cmd_to
flags are set, then the SDHC detected a CMD-line conflict. See
SDHC_ER_INT_STAT.cmd_crc for more information about a CMD-line conflict.
Table 8-77: SDHC Normal Interrupt Status Register
Normal Interrupt Status Enable Register
SDHC_INT_EN
[0x0034]
Bits
Name
Access
Reset
Description
15:13
-
R/W
0
Reserved for Future Use
Do not modify this field.
12
retuning
R/W
Re-Tuning Event Status Enable
1: Enabled
0: Disabled
11:9
-
R/W
0
Reserved for Future Use
Do not modify this field.
8
card_int
R/W
0
Card Interrupt Status Enable
Set to enable card-interrupt detection. The Card Driver should clear this bit
prior to servicing a card interrupt status event and re-enable this bit after all
interrupts from the card are serviced.
1: Enabled
0: Disabled
7
card_removal
R/W
0
Card Removal Status Enable
Set to enable card removal event.
1: Enabled
0: Disabled
6
card_insert
R/W
0
Card Insertion Status Enable
Set to enable card insertion event.
1: Enabled
0: Disabled