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CHAPTER 14 MULTI-FUNCTIONAL TIMER
Figure 14.6-9 Zero Detect Interrupt masked in Up-down Count Mode
■
External Count Clock Selected
The 16-bit free-run timer is incremented based on the input clock (internal or external clock). When
external clock is selected, the 16-bit free-run timer counts up at a rising edge when the initial value of
external input is "1" or at a falling edge when initial value of external clock input is "0" after external clock
mode is selected (TCCSH:ECKE=1).
Figure 14.6-10 16-bit Free-run Timer Count Timing
FFFF
H
BFFF
H
7FFF
H
3FFF
H
0000
H
Counter value
Time
Reset
Timer starts
Zero detect
1st
2nd
3rd
4th
Compare clear interrupt
Zero
detect
interrupt
Software
clear
Compare clear match
1st
2nd
3rd
4th
5th
6th
5th
6th
*
Both zero detect interrupt and compare clear interrupt are software cleared
TCCSH:MSI2:0=000
B
TCCSH:MSI2:0=001
B
TCCSH:MSI2:0=010
B
N
N+1
Counter value
External clock
Count clock
input
TCCSH:ECKE
φ
Содержание MB90460 Series
Страница 1: ...The following document contains information on Cypress products ...
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Страница 9: ...iv ...
Страница 41: ...22 CHAPTER 1 OVERVIEW ...
Страница 45: ...26 CHAPTER 2 NOTES ON HANDLING DEVICES ...
Страница 83: ...64 CHAPTER 3 CPU ...
Страница 95: ...76 CHAPTER 4 RESET ...
Страница 107: ...88 CHAPTER 5 CLOCK ...
Страница 131: ...112 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Страница 175: ...156 CHAPTER 7 INTERRUPT ...
Страница 181: ...162 CHAPTER 8 MODE SETTING ...
Страница 223: ...204 CHAPTER 9 I O PORT ...
Страница 237: ...218 CHAPTER 10 TIME BASE TIMER ...
Страница 247: ...228 CHAPTER 11 WATCHDOG TIMER ...
Страница 275: ...256 CHAPTER 12 16 BIT RELOAD TIMER ...
Страница 373: ...354 CHAPTER 14 MULTI FUNCTIONAL TIMER ...
Страница 485: ...466 CHAPTER 16 PWC Timer ...
Страница 531: ...512 CHAPTER 17 UART ...
Страница 559: ...540 CHAPTER 19 DELAYED INTERRUPT GENERATOR MODULE ...
Страница 589: ...570 CHAPTER 20 8 10 BIT A D CONVERTER ...
Страница 601: ...582 CHAPTER 21 ROM CORRECTION FUNCTION ...
Страница 633: ...614 CHAPTER 23 512K 1024K BIT FLASH MEMORY ...
Страница 645: ...626 CHAPTER 24 EXAMPLE OF F2 MC 16LX MB90F462 F462A F463A CONNECTION FOR SERIAL WRITING ...
Страница 715: ...696 APPENDIX ...
Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
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