9
9-28
Ver.0.10
DMAC
9.3 Functional Description of the DMAC
Table 9.3.3 Causes of DMA Requests in DMA2 and Generation Timings
REQSL2
Cause of DMA Request
DMA Request Generation Timing
0
0
Software start
When any data is written to DMA2 Software Request
Generation Register
0
1
MJT (output event bus 1)
When MJT's output event bus 1 signal is generated
1
0
MJT (TIN18 input signal)
When MJT's TIN18 input signal is generated
1
1
One DMA1 transfer completed
When one DMA1 transfer is completed (cascade mode)
Table 9.3.4 Causes of DMA Requests in DMA3 and Generation Timings
REQSL3
Cause of DMA Request
DMA Request Generation Timing
0
0
Software start
When any data is written to DMA3 Software Request
Generation Register
0
1
Serial I/O0 (transmit buffer empty)
When serial I/O0 transmit buffer is emptied
1
0
Serial I/O1 (reception completed)
When serial I/O1 reception is completed
1
1
MJT (TIN0 input signal)
When MJT's TIN0 input signal is generated
Table 9.3.5 Causes of DMA Requests in DMA4 and Generation Timings
REQSL4
Cause of DMA Request
DMA Request Generation Timing
0
0
Software start
When any data is written to DMA4 Software Request
Generation Register
0
1
One DMA3 transfer completed
When one DMA3 transfer is completed (cascade mode)
1
0
Serial I/O0 (reception completed)
When serial I/O0 reception is completed
1
1
MJT (TIN19 input signal)
When MJT's TIN19 input signal is generated
Summary of Contents for M32170F3VFP
Page 42: ...1 1 24 Ver 0 10 OVERVIEW 1 4 Pin Layout This is a blank page ...
Page 56: ...2 2 14 Ver 0 10 This is a blank page ...
Page 88: ...3 3 32 Ver 0 10 ADDRESS SPACE 3 7 Notes on Address Space This is a blank page ...
Page 270: ...9 9 40 Ver 0 10 DMAC 9 4 Precautions about the DMAC This is a blank page ...
Page 614: ...12 12 64 Ver 0 10 This is a blank page SERIAL I O 12 9 Precautions on Using UART Mode ...
Page 756: ...17 17 10 Ver 0 10 RAM BACKUP MODE 17 4 Exiting RAM Backup Mode Wakeup This is a blank page ...
Page 762: ...18 18 6 Ver 0 10 OSCILLATION CIRCUIT 18 2 Clock Generator Circuit This is a blank page ...
Page 831: ...CHAPTER 22 CHAPTER 22 TYPICAL CHARACTERISTICS 22 1 A D Conversion Characteristics ...
Page 833: ...Appendix 1 1 Dimensional Outline Drawing APPENDIX 1 APPENDIX 1 MECHANICAL SPECIFICATIONS ...
Page 841: ...Appendix 3 1 Precautions about Noise APPENDIX 3 APPENDIX 3 PRECAUTIONS ABOUT NOISE ...