310
CHAPTER 16 8-/16-BIT PPG TIMER
16.6
Precautions when Using 8-/16-bit PPG Timer
This section explains the precautions when using the 8-/16-bit PPG timer.
■
Precautions when Using 8-/16-bit PPG Timer
●
Effect on 8-/16-bit PPG timer when using timebase timer output
•
If the output signal of the timebase timer is used as the input signal for the count clock of the 8-/16-bit
PPG timer (PPGnm: PCM2 to PCM0="111
B
", PCS2 to PCS0="111
B
"), deviation may occur in the first
count cycle in which the PPG timer is started by trigger input or in the count cycle immediately after the
PPG timer is stopped.
•
When the timebase timer counter is cleared (TBTC: TBR=0) during the count operation of the PPG
down counter, deviation may occur in the count cycle.
●
Setting of PPG reload registers when using 8-bit PPG timer
•
The Low-level and High-level pulse widths are determined at the timing of reloading the values in the
Low-level PPG reload registers (PRLLn, PRLLm) to the PPG down counter.
•
If the 8-bit PPG timer is used in the 8-bit PPG output 2-channel independent operation mode or the 8 +
8-bit PPG output operation mode, use a word instruction to set both High-level and Low-level PPG
reload registers (PRLLn/PRLHn, PRLLm/PRLHm) at the same time.
Using a byte instruction may cause an unexpected pulse to be generated.
[Example of rewriting PPG reload registers using byte instruction]
Immediately before the signal level of the PPG pin switches from High to Low, if the value in the High-
level PPG reload register (PRLH) is rewritten after the value in the Low-level PPG reload register (PRLL)
is rewritten using the byte instruction, a Low-level pulse width is generated after rewriting and a High-level
pulse width is generated before rewriting.
Figure 16.6-1 shows the waveform as the values in the PPG reload registers are rewritten using the byte
instruction.
Note: n = C, E
m = n+1
Summary of Contents for F2MCTM-16LX
Page 2: ......
Page 3: ...FUJITSU LIMITED F2MCTM 16LX 16 BIT MICROCONTROLLER MB90360 Series HARDWARE MANUAL ...
Page 4: ......
Page 42: ...26 CHAPTER 1 OVERVIEW ...
Page 70: ...54 CHAPTER 2 CPU ...
Page 134: ...118 CHAPTER 6 CLOCK SUPERVISOR ...
Page 176: ...160 CHAPTER 8 LOW POWER CONSUMPTION MODE ...
Page 194: ...178 CHAPTER 10 I O PORTS ...
Page 252: ...236 CHAPTER 13 16 Bit I O TIMER ...
Page 282: ...266 CHAPTER 14 16 BIT RELOAD TIMER ...
Page 296: ...280 CHAPTER 15 WATCH TIMER ...
Page 386: ...370 CHAPTER 18 8 10 BIT A D CONVERTER ...
Page 426: ...410 CHAPTER 20 LIN UART Figure 20 5 2 ORE Flag Set Timing RDRF ORE Reception data ...
Page 540: ...524 CHAPTER 22 ADDRESS MATCH DETECTION FUNCTION ...
Page 568: ...552 CHAPTER 24 512K BIT FLASH MEMORY ...
Page 633: ...617 APPENDIX B Instructions Table B 9 3 Bit Operation Instruction Map first byte 6CH ...
Page 634: ...618 APPENDIX Table B 9 4 Character String Operation Instruction Map first byte 6EH ...
Page 637: ...621 APPENDIX B Instructions Table B 9 7 ea Instruction 2 first byte 71H ...
Page 638: ...622 APPENDIX Table B 9 8 ea Instruction 3 first byte 72H ...
Page 639: ...623 APPENDIX B Instructions Table B 9 9 ea Instruction 4 first byte 73H ...
Page 640: ...624 APPENDIX Table B 9 10 ea Instruction 5 first byte 74H ...
Page 641: ...625 APPENDIX B Instructions Table B 9 11 ea Instruction 6 first byte 75H ...
Page 642: ...626 APPENDIX Table B 9 12 ea Instruction 7 first byte 76H ...
Page 643: ...627 APPENDIX B Instructions Table B 9 13 ea Instruction 8 first byte 77H ...
Page 644: ...628 APPENDIX Table B 9 14 ea Instruction 9 first byte 78H ...
Page 645: ...629 APPENDIX B Instructions Table B 9 15 MOVEA RWi ea Instruction first byte 79H ...
Page 646: ...630 APPENDIX Table B 9 16 MOV Ri ea Instruction first byte 7AH ...
Page 647: ...631 APPENDIX B Instructions Table B 9 17 MOVW RWi ea Instruction first byte 7BH ...
Page 648: ...632 APPENDIX Table B 9 18 MOV Ri ea Instruction first byte 7CH ...
Page 649: ...633 APPENDIX B Instructions Table B 9 19 MOVW ea Rwi Instruction first byte 7DH ...
Page 650: ...634 APPENDIX Table B 9 20 XCH Ri ea Instruction first byte 7EH ...
Page 651: ...635 APPENDIX B Instructions Table B 9 21 XCHW RWi ea Instruction first byte 7FH ...
Page 664: ...648 APPENDIX ...
Page 665: ...649 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Page 682: ......