Error Interrupt Status Register - Samsung S3C2416 User Manual

HSMMC CONTROLLER

5.19 ERROR INTERRUPT STATUS REGISTER

Signals defined in this register can be enabled by the Error Interrupt Status Enable register, but not by the Error
Interrupt Signal Enable register. The interrupt is generated when the Error Interrupt Signal Enable is enabled and
at least one of the statuses is set to 1. Writing to 1 clears the bit and writing to 0 keeps the bit unchanged. More
than one status can be cleared at the one register write.
Register Address
ERRINTSTS0 0X4AC00032
ERRINTSTS1 0X4A800032
Name
ADMAERR
STAACMDERR
STACURERR
STADENDERR
STADATCRCERR
STADATTOUTERR
20-50
R/W
ROC/RW1C Error Interrupt Status Register (Channel 0)
ROC/RW1C Error Interrupt Status Register (Channel 1)
Bit
[15:10] Reserved
[9]
ADMA Error
This bit is set when the Host Controller detects errors during
ADMA based data transfer. The state of the ADMA at an error
occurrence is saved in the ADMA Error Status Register, In
addition, the Host Controller generates this Interrupt when it
detects invalid descriptor data (Valid=0) at the ST_FDS state.
ADMA Error State in the ADMA Error Status indicates that an
error occurs in ST_FDS state. The Host Driver may find that
Valid bit is not set at the error descriptor.
1 = Error
0 = No Error
[8]
Auto CMD12 Error
Occurs when detecting that one of the bits in Auto CMD12 Error
Status register has changed from 0 to 1. This bit is set to 1,not
only when the errors in Auto CMD12 occur but also when Auto
CMD12 is not executed due to the previous command error.
1 = Error
0 = No Error
[7]
Current Limit Error
Not implemented in this version. Always 0.
[6]
Data End Bit Error
Occurs either when detecting 0 at the end bit position of read
data which uses the DAT line or at the end bit position of the
CRC Status.
1 = Error
0 = No Error
[5]
Data CRC Error
Occurs when detecting CRC error when transferring read data
which uses the DAT line or when detecting the Write CRC
status having a value of other than "010".
1 = Error
0 = No Error
[4]
Data Timeout Error
S3C2416X RISC MICROPROCESSOR
Description
Description
Reset Value
0x0
0x0
Initial Value
0
0
0
0
0
0
0