Programming Model
MOTOROLA
Multimedia Card/Secure Digital Host Controller Module (MMC/SD)
20-17
DATA_TRANS_DONE
Bit 11
Data Transfer Done
—Indicates that a data
transfer is complete. DATA_TRANS_DONE
determines the end of the read operation.
0 = Data transfer in progress or
incomplete
1 = Data transfer complete
WR_CRC_ERROR_CODE
Bits 10–9
Write CRC Error Code
—Specifies whether there
was a CRC error, and if so, what kind. The error
code is valid only when a CRC error has occurred
(Bit 5, RESP_CRC_ERR, is set).
00 = No transmission error,
CRC status is
010
(positive)
01 = Transmission error, CRC
status is
110
(negative)
10 = No CRC response
11 = Reserved
CARD_BUS_CLK_RUN
Bit 8
MMC/SD Card Clock Running
—Indicates
whether the clock is running. The clock rate
setting and system configuration can be modified
when the clock is turned off by setting the
STOP_CLK bit of the STR_STP_CLK register.
0 = MMC/SD clock is not
running
1 = MMC/SD clock is running
APPL_BUFF_FF
Bit 7
Application Buffer FIFO Full
—Indicates the
status of the 32 x 16-bit inner data FIFO. Usually
used in the card read operation.
0 = Buffer is not full
1 = Buffer is full
APPL_BUFF_FE
Bit 6
Application Buffer FIFO Empty
—Indicates the
status of the 32 x 16-bit inner data FIFO. Usually
used in the card write operation.
0 = Buffer is not empty
1 = Buffer is empty
RESP_CRC_ERR
Bit 5
Response CRC Error
—Indicates that a
transmission error occurred on the SD_CMD line
during the command and response transfer. This
type of error usually results from the electrical
environment.
Note:
RESP_CRC_ERR is cleared only by an
internal status change or by removing the source
of the error.
0 = No error
1 = Response CRC error
occurred
Reserved
Bit 4
Reserved—This bit is reserved and should read 0.
CRC_READ_ERR
Bit 3
CRC Read Error
—Indicates that a transmission
error occurred on the SD_DAT line during a card
read. The user should re-try the transmission.
Note:
CRC_READ_ERR is cleared only by an
internal status change or by removing the source
of the error.
0 = No error
1 = CRC read error occurred
CRC_WRITE_ERR
Bit 2
CRC Write Error
—Indicates that a transmission
error occurred on the SD_DAT line during a card
write. See the WR_CRC_ERROR_CODE field for
more information.
Note:
CRC_WRITE_ERR is cleared only by an
internal status change or by removing the source
of the error.
0 = No error
1 = CRC write error occurred
Table 20-6. MMC/SD Status Register Description (Continued)
Name
Description
Settings
Summary of Contents for DragonBall MC9328MX1
Page 68: ...1 12 MC9328MX1 Reference Manual MOTOROLA Introduction ...
Page 86: ...2 18 MC9328MX1 Reference Manual MOTOROLA Signal Descriptions and Pin Assignments ...
Page 116: ...3 30 MC9328MX1 Reference Manual MOTOROLA Memory Map ...
Page 126: ...4 10 MC9328MX1 Reference Manual MOTOROLA ARM920T Processor ...
Page 160: ...8 8 MC9328MX1 Reference Manual MOTOROLA System Control ...
Page 272: ...13 32 MC9328MX1 Reference Manual MOTOROLA DMA Controller ...
Page 281: ...Programming Model MOTOROLA Watchdog Timer Module 14 9 ...
Page 282: ...14 10 MC9328MX1 Reference Manual MOTOROLA Watchdog Timer Module ...
Page 300: ...15 18 MC9328MX1 Reference Manual MOTOROLA Analog Signal Processor ASP ...
Page 438: ...18 16 MC9328MX1 Reference Manual MOTOROLA Serial Peripheral Interface Modules SPI 1 and SPI 2 ...
Page 478: ...19 40 MC9328MX1 Reference Manual MOTOROLA LCD Controller ...
Page 574: ...21 32 MC9328MX1 Reference Manual MOTOROLA Memory Stick Host Controller MSHC Module ...
Page 598: ...23 16 MC9328MX1 Reference Manual MOTOROLA Real Time Clock RTC ...
Page 670: ...24 72 MC9328MX1 Reference Manual MOTOROLA SDRAM Memory Controller ...
Page 726: ...25 56 MC9328MX1 Reference Manual MOTOROLA SmartCard Interface Module SIM ...
Page 736: ...26 10 MC9328MX1 Reference Manual MOTOROLA General Purpose Timers ...
Page 854: ...29 18 MC9328MX1 Reference Manual MOTOROLA I2C Module ...
Page 900: ...30 46 MC9328MX1 Reference Manual MOTOROLA Synchronous Serial Interface SSI ...
Page 942: ...32 26 MC9328MX1 Reference Manual MOTOROLA GPIO Module and I O Multiplexer IOMUX ...