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215
CHAPTER 10 TIME-BASE TIMER
■
Operation of the Time-base Timer
The following operations are shown in Figure 10.6-1:
•
A power-on reset occurs.
•
Sleep mode is entered during operation of the interval timer function.
•
A counter clear request is issued.
When stop mode is entered, the time-base timer is cleared and its operation stops. On return from stop
mode, the time-base timer counts the oscillation stabilization time.
Figure 10.6-1 Time-base Timer Operations
Counter value
3FFFF
H
Oscillation stabilization
delay overflow
0000
H
Power-on reset
(optional)
CPU operation starts
Interval cycle
(TBTC: TBC1, TBC0 = 11
B
)
Cleared by the interrupt
handling
routine.
Cleared by transition to
stop mode.
Counter clear
(TBTC: TBR = 0)
TBOF bit
TBIE bit
SLP bit
(STBC register)
STP bit
(STBC register)
Sleep mode
Releasing of interval interrupt sleep
Stop
Releasing of Stop by an external interrupt
: Indicates the oscillation stabilization time.
When 11
B
has been set in the interval selection bit
(TBTC:TBC1,TBC0) of the time-base timer control register
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 ...
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Страница 716: ...697 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
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