clock.h

ARM9硬件接口学习 CLOCK arm时钟设置与应用

/* clock.h */

// CLOCK & POWER MANAGEMENT
#define rLOCKTIME   (*(volatile unsigned *)0x4c000000) //PLL lock time counter
#define rMPLLCON    (*(volatile unsigned *)0x4c000004) //MPLL Control
#define rUPLLCON    (*(volatile unsigned *)0x4c000008) //UPLL Control
#define rCLKCON     (*(volatile unsigned *)0x4c00000c) //Clock generator control
#define rCLKSLOW    (*(volatile unsigned *)0x4c000010) //Slow clock control
#define rCLKDIVN    (*(volatile unsigned *)0x4c000014) //Clock divider control

extern void clock_init(void);