pll.h

来自「56f8300E系列dsp的BOOTloader」· C头文件 代码 · 共 91 行

/*******************************************************************************
*
* Motorola Inc.
* (c) Copyright 2002 Motorola, Inc.
* ALL RIGHTS RESERVED.
*
* $Element: /project/dsp568_sdk/sdk/src/dsp56838evm/nos/include/pll.h $ 
* $Author: saa $ 
* $Revision: /main/2 $ 
* $VOB: /project/dsp568_sdk $ 
* $OS: solaris $ 
*
* Description:  Header file for PLL 
*
* Notes:    
*
******************************************************************************/


#ifndef __PLL_H
#define __PLL_H

#include "port.h"

#ifdef __cplusplus
extern "C" {
#endif

/* PLL control register flags, see OCCS documentation  */

#define PLL_INT1_ENABLE_ANY_EDGE        0xC000
#define PLL_INT1_ENABLE_FALLING_EDGE    0x8000
#define PLL_INT1_ENABLE_RISING_EDGE     0x4000

#define PLL_INT0_ENABLE_ANY_EDGE        0x3000
#define PLL_INT0_ENABLE_FALLING_EDGE    0x2000
#define PLL_INT0_ENABLE_RISING_EDGE     0x1000

#define PLL_LOSS_OF_CLOCK_INT           0x0800

#define PLL_LOCK_DETECTOR               0x0080

#define PLL_CHARGE_PUMP                 0x0040

#define PLL_PWRDONW                     0x0010

#define PLL_ZCLOCK_PRESCALER            0x0001
#define PLL_ZCLOCK_POSTSCALER           0x0002

/* PLL divide-by register flag */

#define PLL_CLOCK_OUT_DIVIDE_BY_1       0x0000
#define PLL_CLOCK_OUT_DIVIDE_BY_2       0x0400
#define PLL_CLOCK_OUT_DIVIDE_BY_4       0x0800
#define PLL_CLOCK_OUT_DIVIDE_BY_8       0x0C00

#define PLL_CLOCK_IN_DIVIDE_BY_1        0x0000
#define PLL_CLOCK_IN_DIVIDE_BY_2        0x0100
#define PLL_CLOCK_IN_DIVIDE_BY_4        0x0200
#define PLL_CLOCK_IN_DIVIDE_BY_8        0x0300

/* PLL status register flags */

#define PLL_STATUS_LOCK_LOST_INT1       0x8000
#define PLL_STATUS_LOCK_LOST_INT0       0x4000

#define PLL_STATUS_CLOCK_LOST           0x2000

#define PLL_STATUS_LOCK_1               0x0040
#define PLL_STATUS_LOCK_0               0x0020

#define PLL_STATUS_POWERED_DOWN         0x0010

#define PLL_STATUS_ZCLOCK_PRESCALER     0x0001
#define PLL_STATUS_ZCLOCK_POSTSCALER    0x0002

/* PLL shutdown register */


/* SDK initialization routine */

void PLLInitialize(UWord16 ControlReg, UWord16 DivideReg);
void InstallPll(void); /* configurable function */

								
#ifdef __cplusplus
}
#endif

#endif