9
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DMAC
32180 Group User’s Manual (Rev.1.0)
Table 9.3.2 DMA Transfer Request Sources and Generation Timings on DMA1
REQSL1
DMA Transfer Request Source
DMA Transfer Request Generation Timing
0 0
Software start
When any data is written to the DMA1 Software Request Generation Register
0 1
MJT (output event bus 0)
When MJT output event bus 0 signal is generated
1 0
MJT (TIN13 input signal)
When MJT TIN13 input signal is generated
1 1
Extended DMA1 transfer request
The source selected by the DMA1 Channel Control Register 1 (DM1CNT1)
source selected
REQESEL1 bits (see below)
REQESEL1 DMA Transfer Request Source
DMA Transfer Request Generation Timing
0000
One DMA0 transfer completed
When one DMA0 transfer is completed (cascade mode)
0001
MJT (TIN3 input signal)
When MJT TIN3 input signal is generated
0010
MJT (TID1_udf/ovf)
When MJT TID1 underflow/overflow occurs
0011
MJT (input event bus 1)
When MJT input event bus 1 signal is generated
0100
MJT (input event bus 3)
When MJT input event bus 3 signal is generated
0101
MJT (output event bus 2)
When MJT output event bus 2 signal is generated
0110
MJT (output event bus 3)
When MJT output event bus 3 signal is generated
0111
A-D0 conversion completed
When A-D0 conversion is completed
1000
MJT (TIN0 input signal)
When MJT TIN0 input signal is generated
1001
MJT (TIO8_udf)
When MJT TIO8 underflow occurs
1010
|
Settings inhibited
–
1111
Table 9.3.3 DMA Transfer Request Sources and Generation Timings on DMA2
REQSL2
DMA Transfer Request Source
DMA Transfer Request Generation Timing
0 0
Software start
When any data is written to the DMA2 Software Request Generation Register
0 1
MJT (output event bus 1)
When MJT output event bus 1 signal is generated
1 0
MJT (TIN18 input signal)
When MJT TIN18 input signal is generated
1 1
Extended DMA2 transfer request
The source selected by the DMA2 Channel Control Register 1 (DM2CNT1)
source selected
REQESEL2 bits (see below)
REQESEL2 DMA Transfer Request Source
DMA Transfer Request Generation Timing
0000
One DMA0 transfer completed
When one DMA0 transfer is completed (cascade mode)
0001
MJT(TID2_udf/ovf)
When MJT TID2 underflow/overflow occurs
0010
CAN(CAN0_S1/S14)
When CAN0 slot 1 transmission failed or slot 14 transmission reception finished
0011
MJT (input event bus 1)
When MJT input event bus 1 signal is generated
0100
MJT (input event bus 3)
When MJT input event bus 3 signal is generated
0101
MJT (output event bus 2)
When MJT output event bus 2 signal is generated
0110
MJT (output event bus 3)
When MJT output event bus 3 signal is generated
0111
A-D0 conversion completed
When A-D0 conversion is completed
1000
MJT (TIN0 input signal)
When MJT TIN0 input signal is generated
1001
MJT (TIO8_udf)
When MJT TIO8 underflow occurs
1010
|
Settings inhibited
–
1111
9.3 Functional Description of the DMAC
Summary of Contents for M32R/ECU Series
Page 17: ...12 This page is blank for reasons of layout...
Page 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Page 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Page 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Page 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Page 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...