Texas Instruments TMS320DM357 사용자 설명서
4.14 Transmit CPPI Control Register (TCPPICR)
4.15 Transmit CPPI Teardown Register (TCPPITDR)
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Registers
The Transmit CPPI Control Register (TCPPICR) is shown in
and described in
Figure 29. Transmit CPPI Control Register (TCPPICR)
31
16
Reserved
R-0
15
1
0
Reserved
TCPPI_ENABLE
R-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 30. Transmit CPPI Control Register (TCPPICR) Field Descriptions
Bit
Field
Value
Description
31-1
Reserved
0
Reserved
0
TCPPI_ENABLE
Transmit CPPI Enable Controls if the Transmit CPPI DMA controller is enabled. Be sure to program
the CPPI chain and set the DMA state words before enabling the DMA. Failure to initialize the DMA
before enabling could result in spurious transfers and memory corruption.
the CPPI chain and set the DMA state words before enabling the DMA. Failure to initialize the DMA
before enabling could result in spurious transfers and memory corruption.
0
Transmit CPPI DMA is disabled
1
Transmit CPPI DMA is enabled
The Transmit CPPI Teardown Register (TCPPITDR) is shown in
and described in
Figure 30. Transmit CPPI Teardown Register (TCPPITDR)
31
30
16
READY
Reserved
R-1
R-0
15
2
1
0
Reserved
CHANNEL
R-0
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 31. Transmit CPPI Teardown Register (TCPPITDR) Field Descriptions
Bit
Field
Value
Description
31
READY
0-1
Indicates if the Teardown register can be written
30-2
Reserved
0
Reserved
1-0
CHANNEL
0-3h
Teardown Channel
Indicates the channel that is to be torn down
SPRUGH3 – November 2008
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