//*----------------------------------------------------------------------------
//*?????????ATMEL?Microcontroller?Software?Support??-??ROUSSET??-
//*----------------------------------------------------------------------------
//*?The?software?is?delivered?“AS?IS“?without?warranty?or?condition?of?any
//*?kind?either?express?implied?or?statutory.?This?includes?without
//*?limitation?any?warranty?or?condition?with?respect?to?merchantability?or
//*?fitness?for?any?particular?purpose?or?against?the?infringements?of
//*?intellectual?property?rights?of?others.
//*----------------------------------------------------------------------------
//*?File?Name???????????:?Cstartup_SAM7.c
//*?object??????????????:?Low?level?initializations?written?in?C?for?Tools
//*?Creation????????????:?12/Jun/04
//*?1.2???28/Feb/05?JPP?:?LIB?change?AT91C_WDTC_WDDIS?&?PLL
//*?1.3???21/Mar/05?JPP?:?Change?PLL?Wait?time
//*?1.4???21/Aug/05?JPP?:?Change?MC_FMR?Setting
//*?1.5???29/Aug/05?JPP?:?Change?PLL?error
//*?1.6???13/oct/05?JPP?:?Change?comment
//*----------------------------------------------------------------------------

//?Include?the?board?file?description
#include?“Board.h“

//?The?following?functions?must?be?write?in?ARM?mode?this?function?called?directly
//?by?exception?vector
extern?void?AT91F_Spurious_handler（void）;
extern?void?AT91F_Default_IRQ_handler（void）;
extern?void?AT91F_Default_FIQ_handler（void）;

//*----------------------------------------------------------------------------
//*?\fn????AT91F_LowLevelInit
//*?\brief?This?function?performs?very?low?level?HW?initialization
//*????????this?function?can?be?use?a?Stack?depending?the?compilation
//*????????optimization?mode
//*----------------------------------------------------------------------------
void?AT91F_LowLevelInit（?void）
{
?int????????????i;
?AT91PS_PMC?????pPMC?=?AT91C_base_PMC;
????//*?Set?Flash?Waite?sate
	//??Single?Cycle?Access?at?Up?to?30?MHz?or?40
	????AT91C_base_MC->MC_FMR?=?AT91C_MC_FWS_1FWS?;

????//*?Watchdog?Disable
????????AT91C_base_WDTC->WDTC_WDMR=?AT91C_WDTC_WDDIS;

	//*?Set?MCK?at?48?054?850
????//?1?Enabling?the?Main?Oscillator:
????????//?SCK?=?1/32768?=?30.51?uSecond
????	//?Start?up?time?=?8?*?6?/?SCK?=?56?*?30.51?=?146484375?ms
???????pPMC->PMC_MOR?=?（（?AT91C_CKGR_OSCOUNT?&?（0x06?<<8）?|?AT91C_CKGR_MOSCEN?））;
????????//?Wait?the?startup?time
????????while（!（pPMC->PMC_SR?&?AT91C_PMC_MOSCS））;
	//?2?Checking?the?Main?Oscillator?Frequency?（Optional）
	//?3?Setting?PLL?and?divider:
		//?-?div?by?14?Fin?=?1.3165?=（18432?/?14）
		//?-?Mul?72+1:?Fout?=	96.1097?=（36864?*73）
		//?for?96?MHz?the?erroe?is?0.11%
		//?Field?out?NOT?USED?=?0
		//?PLLCOUNT?pll?startup?time?estimate?at?:?0.844?ms
		//?PLLCOUNT?28?=?0.000844?/（1/32768）
???????pPMC->PMC_PLLR?=?（（AT91C_CKGR_DIV?&?14?）?|
?????????????????????????（AT91C_CKGR_PLLCOUNT?&?（28<<8））?|
?????????????????????????（AT91C_CKGR_MUL?&?（72<<16）））;


????????//?Wait?the?startup?ti

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????801280??2006-03-10?14:38??AT91SAM7S64-USART485\basicUSART-USB.doc

?????文件?????????61??2008-06-18?17:05??AT91SAM7S64-USART485\note.txt

?????文件????????438??2005-03-02?13:52??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\main.html

?????文件????????269??2005-08-31?17:31??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\sam7.html

?????文件??????17137??2005-08-31?17:31??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\tools.html

?????文件??????10710??2008-06-18?17:05??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\USB.dep

?????文件??????24667??2006-03-06?10:42??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\USB.ewd

?????文件??????45429??2008-06-10?15:21??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\USB.ewp

?????文件????????157??2005-08-31?17:31??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\UsbSAM7.eww

?????文件????????244??2005-11-10?09:06??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\CVS\Entries

?????文件?????????38??2005-11-10?09:04??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\CVS\Repository

?????文件?????????58??2005-11-10?09:04??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\CVS\Root

?????文件??????74697??2008-06-18?17:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Exe\USB.d79

?????文件????????967??2008-06-18?17:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Exe\USB.sim

?????文件??????21049??2008-06-18?17:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\List\USB.map

?????文件??????21721??2006-03-07?17:58??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\cdc_enumerate.r79

?????文件??????40925??2006-03-06?10:40??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\Cstartup.r79

?????文件??????12819??2006-03-07?17:58??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\Cstartup_SAM7.r79

?????文件??????25307??2008-06-18?17:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\interrupt_Usart.r79

?????文件??????15517??2008-06-18?11:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\main.r79

?????文件????????932??2008-06-10?11:47??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\signal_process.pbi

?????文件????????751??2008-06-18?17:01??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\FLASH\Obj\USB.pbd

?????文件??????81530??2006-03-08?12:10??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Exe\USB.d79

?????文件??????26937??2006-03-08?12:10??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\List\USB.map

?????文件??????21721??2006-03-08?10:43??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\cdc_enumerate.r79

?????文件??????40925??2006-03-06?10:39??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\Cstartup.r79

?????文件??????12819??2006-03-08?10:43??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\Cstartup_SAM7.r79

?????文件??????24399??2006-03-08?10:44??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\interrupt_Usart.r79

?????文件??????17122??2006-03-08?12:10??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\main.r79

?????文件????????627??2007-07-02?11:11??AT91SAM7S64-USART485\AT91SAM7S-BasicUSART_USB\compil\RAM_Debug\Obj\USB.pbd

............此處省略122個文件信息