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85
CHAPTER 5 CLOCK
Figure 5.4-1 shows the status change caused by the machine clock switching.
Figure 5.4-1 Status Dhange Diagram for Machine Dlock Selection
Note:
The initial value for the machine clock setting is main clock (MCS of CKSCR = 1).
Power-on
Main
MCS = 1
MCM = 1
CS1, CS0 = xx
Main PLLx
MCS = 0
MCM = 1
CS1, CS0 = xx
PLL1 Main
MCS = 1
MCM = 1
CS1, CS0 = 00
PLL1: Multiplied
by 1
MCS = 0
MCM = 0
CS1, CS0 = 00
PLL2: Multiplied
by 2
MCS = 0
MCM = 0
CS1, CS0 = 01
PLL3: Multiplied
by 3
MCS = 0
MCM = 0
CS1, CS0 = 10
PLL4: Multiplied
by 4
MCS = 0
MCM = 0
CS1, CS0 = 11
PLL2 Main
MCS = 1
MCM = 0
CS1, CS0 = 01
PLL3 Main
MCS = 1
MCM = 0
CS1, CS0 = 11
PLL4 Main
MCS = 1
MCM = 0
CS1, CS0 = 11
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(7)
(7)
(7)
(6)
(6)
(6)
(6)
Machine clock selection bit of CKSCR
Machine clock indication bit of CKSCR
Multiplier selection bits of CKSCR
(1) The MCS bit is cleared.
(2) The PLL clock oscillation stabilization wait ends with CS1 and CS0 = 00.
(3) The PLL clock oscillation stabilization wait ends with CS1 and CS0 = 01.
(4) The PLL clock oscillation stabilization wait ends with CS1 and CS0 = 10.
(5) The PLL clock oscillation stabilization wait ends with CS1 and CS0 = 11.
(6) The MCS bit is set (including also hardware standby and watchdog timer resets).
(7) PLL clock and main clock synchronization timing.
MCS:
MCM:
CS1, CS0:
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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