10
10-182
MULTIJUNCTION TIMERS
10.8 TOU (Output-Related 24-Bit Timer)
32180 Group User’s Manual (Rev.1.0)
Figure 10.8.11 Reload 0 and Reload 1 Register Updates in PWM Output Mode
(a) When reload register updates take effect in the current period (reflected in the next period)
Count clock
Reload 0 register
Reload 1 register
H'0001
H'FFFF
H'1000
H'7FFF
H'2000
H'8000
H'9000
Counter
Interrupt due
to underflow
Timing at which reload 0 and reload 1
registers are updated
New PWM output period
Operation by new reload value written
Reload 0 register
Reload 1 register
F/F output
Write to reload 1
Write to reload 0
(Reload 1 data latched)
H'1000
H'2000
H'8000
H'9000
Enlarged
view
New PWM
output period
Old PWM output period
F/F output
H'7FFE
H'0000
PWM period latched
Reload 1 buffer
H'2000
H'9000
H'0001
H'FFFF
H'1000
H'0FFF
H'2000
H'8000
H'9000
(b) When reload register updates take effect in the next period (reflected one period later)
Old PWM output period
Operation by old reload value
H'1000
H'2000
H'8000
H'9000
Old PWM
output period
H'0FFE
H'0000
H'2000
H'9000
Note: • This diagram does not show detailed timing information.
Count clock
Reload 0 register
Reload 1 register
Counter
Interrupt due
to underflow
Timing at which reload 0 and reload 1
registers are updated
Reload 0 register
Reload 1 register
F/F output
Write to reload 1
Write to reload 0
(Reload 1 data latched)
Enlarged
view
Old PWM output period
F/F output
PWM period latched
Reload 1 buffer
Содержание M32R/ECU Series
Страница 17: ...12 This page is blank for reasons of layout...
Страница 18: ...CHAPTER 1 OVERVIEW 1 1 Outline of the 32180 Group 1 2 Block Diagram 1 3 Pin Functions 1 4 Pin Assignments...
Страница 712: ...CHAPTER 18 OSCILLATOR CIRCUIT 18 1 Oscillator Circuit 18 2 Clock Generator Circuit...
Страница 794: ...CHAPTER 22 TYPICAL CHARACTERISTICS...
Страница 795: ...22 22 2 32180 Group User s Manual Rev 1 0 TYPICAL CHARACTERISTICS To be written at a later time...
Страница 796: ...APPENDIX 1 MECHANICAL SPECIFICAITONS Appendix 1 1 Dimensional Outline Drawing...
Страница 798: ...APPENDIX 2 INSTRUCTION PROCESSING TIME Appendix 2 1 32180 Instruction Processing Time...
Страница 802: ...APPENDIX 3 PROCESSING OF UNUSED PINS Appendix 3 1 Example Processing of Unused Pins...