CHAPTER 22:Media Local Bus Interface (MediaLB)
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
863
Set either DMA mode or IO mode for the channels to be used. All channels must be set to either DMA
mode or IO mode. It is prohibited to set the IO mode and DMA mode in a mixed manner.
[bit24] read0 : -
[bit23:16] MASK[7:0] : Channel interrupt mask
MASK[7] - Reserved bit. Read value is "0". Write always "0" to this bit.
MASK[6] - Sets whether channel interrupt due to the frame sync lost should be masked. The status bit
targeted for masking is CSCRn:STS[6].
Bit
Description
0
Lost frame synchronization interrupt is not masked
1
Lost frame synchronization interrupt is masked
MASK[5] - Reserved bit. Read value is "0". Write always "0" to this bit.
MASK[4] - Sets whether the channel interrupt due to a buffer error should be masked. The status bit
targeted for masking is CSCRn:STS[4].
Bit
Description
0
Buffer error channel interrupt is not masked
1
Buffer error channel interrupt is masked
MASK[3] - This bit has different interpretation depending on DMA-mode or IO-mode and sets the mask
for channel interrupts. The status bit targeted for masking is CSCRn:STS[3].
For DMA mode, it masks the buffer start interrupt.
For IO mode, it masks the transmission service request interrupt.
Bit
Description
0
Channel interrupt is not masked
1
Channel interrupt is masked
MASK[2] - This bit has different interpretation depending on DMA-mode or IO-mode and sets the mask
for channel interrupts. The status bit targeted for masking is CSCRn:STS[2].
For DMA mode, it masks the buffer end interrupt.
For IO mode, it masks the reception service request interrupt or reception packet abort interrupt.
Bit
Description
0
Channel interrupt is not masked
1
Channel interrupt is masked
MASK[1] - Sets whether the channel interrupt due to the detection of break should be masked. The status
bit targeted for masking is CSCRn:STS[1].
Bit
Description
0
Break detection channel interrupt is not masked
1
Break detection channel interrupt is masked
MASK[0] - Sets whether the channel interrupt due a protocol error should be masked. The status bit
targeted for masking is CSCRn:STS[0].
Bit
Description
0
Protocol error channel interrupt is not masked
1
Protocol error channel interrupt is masked
Содержание S6J3200 Series
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