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Siemens AG Semiconductors
Version 5.2
Confidential
20/10/1998
35
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The MultiMediaCard adapter has to be controlled and configured also. Especially card status and
MultiMediaCard bus management functions are included in the following command table.
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CAM0
CAM_BREAK
Interrupts any pending Command or
CMD/Response operation.
Read current FIFO fill level.
C
-
-
-
CAM1
CAM_GET_FIFO_LEVE
L
reserved
reserved
reserved
CAM_GET_RESPONSE
CD
-
-
2
CAM2
CAM3
CAM4
CAM5
Returns the response to the last
CMDnn.
Returns the MultiMediaCard status
response to the last CMDnn. Clears
these IRQs.
Returns the status of the last CIMnn.
Clears these IRQs.
Returns the status of the controller.
Clears these IRQs.
CD
-
-
16
CAM6
CAM_GET_CARD_STA
TUS
CD
-
-
3
CAM7
CAM_CIM_STATUS
CD
-
-
1
CAM8
CAM_GET_STATUS
CD
-
-
1
CAM9
CAM10
reserved
CAM_SET_IRQMASK
Controls which error flags in the status
and response registers cause an IRQ.
Adapter, Macro and MultiMediaCard
IRQ sources.
CA
5
-
-
CAM11
...
CAM1
3
CAM14
reserved
-
-
-
-
CAM_SET_CLK_PERIO
D
reserved
CAM_POWER_UP
Controls the MultiMediaCard CLK fre-
quency.
CA
1
-
-
CAM15
CAM16
-
C
-
-
-
-
-
-
It will start the power-on initialization of
the MultiMediaCard bus.
This will bring up the programming
voltage V
PP
7DEOH&$0WDEOH
CAM17
CAM_VPP_UP
C
-
-
-