9
9-30
DMAC
32180 Group User’s Manual (Rev.1.0)
Table 9.3.6 DMA Transfer Request Sources and Generation Timings on DMA5
REQSL5
DMA Transfer Request Source
DMA Transfer Request Generation Timing
0 0
Software start or one DMA7
When any data is written to the DMA5 Software Request Generation Register
transfer completed
(software start) or when one DMA7 transfer is completed (cascade mode)
0 1
All DMA0 transfers completed
When all DMA0 transfers are completed (cascade mode)
1 0
Serial I/O2 (reception completed)
When serial I/O2 reception is completed
1 1
Extended DMA5 transfer request
The source selected by the DMA5 Channel Control Register 1 (DM5CNT1)
source selected
REQESEL5 bits (see below)
REQESEL5 DMA Transfer Request Source
DMA Transfer Request Generation Timing
0000
MJT (TIN20 input signal)
When MJT TIN20 input signal is generated
0001
MJT (TOU0_0irq)
MJT TOU0_0 interrupt source
0010
MJT (TOU2_7irq)
MJT TOU2_7 interrupt source
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 9.3.7 DMA Transfer Request Sources and Generation Timings on DMA6
REQSL6
DMA Transfer Request Source
DMA Transfer Request Generation Timing
0 0
Software start
When any data is written to the DMA4 Software Request Generation Register
0 1
Serial I/O1 (transmit buffer empty) When serial I/O1 transmit buffer is empty
1 0
MJT (TIN1 input signal)
When MJT TIN1 input signal is generated
1 1
Extended DMA6 transfer request
The source selected by the DMA6 Channel Control Register 1 (DM6CNT1)
source selected
REQESEL6 bits (see below)
REQESEL6 DMA Transfer Request Source
DMA Transfer Request Generation Timing
0000
One DMA5 transfer completed
When one DMA5 transfer is completed (cascade mode)
0001
MJT (TOU0_1irq)
MJT TOU0_1 interrupt source
0010
Serial I/O1 (reception completed)
When serial I/O1 reception is completed
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...