at91_sf.h File Reference

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Chip Identification Registers
#define	SF_CIDR   (SF_BASE + 0x00)
	Chip ID register address.
#define	SF_EXID   (SF_BASE + 0x04)
	Chip ID extension register address.
#define	SF_VERSION   0x0000001F
	Version number mask.
#define	SF_NVPSIZ   0x00000F00
	Masks non-volatile program memory size.
#define	SF_NVPSIZ_NONE   0x00000000
	No NV program memory.
#define	SF_NVPSIZ_32K   0x00000300
	32 kBytes NV program memory.
#define	SF_NVPSIZ_64K   0x00000500
	64 kBytes NV program memory.
#define	SF_NVPSIZ_128K   0x00000700
	128 kBytes NV program memory.
#define	SF_NVPSIZ_256K   0x00000900
	256 kBytes NV program memory.
#define	SF_NVDSIZ   0x0000F000
	Masks non-volatile data memory size.
#define	SF_NVDSIZ_NONE   0x00000000
	No NV data memory.
#define	SF_VDSIZ   0x000F0000
	Masks volatile data memory size.
#define	SF_VDSIZ_NONE   0x00000000
	No volatile data memory.
#define	SF_VDSIZ_1K   0x00010000
	1 kBytes volatile data memory.
#define	SF_VDSIZ_2K   0x00020000
	2 kBytes volatile data memory.
#define	SF_VDSIZ_4K   0x00040000
	4 kBytes volatile data memory.
#define	SF_VDSIZ_8K   0x00080000
	8 kBytes volatile data memory.
#define	SF_ARCH   0x0FF00000
	Architecture code mask.
#define	SF_ARCH_AT91x40   0x04000000
	AT91x40 architecture.
#define	SF_ARCH_AT91x55   0x05500000
	AT91x55 architecture.
#define	SF_ARCH_AT91x63   0x06300000
	AT91x63 architecture.
#define	SF_NVPTYP   0x70000000
	Masks non-volatile program memory type.
#define	SF_NVPTYP_M   0x01000000
	M or F series.
#define	SF_NVPTYP_C   0x02000000
	C series.
#define	SF_NVPTYP_S   0x03000000
	S series.
#define	SF_NVPTYP_R   0x04000000
	R series.
#define	SF_EXT   0x80000000
	Extension flag.
Reset Status Flag Register
#define	SF_RSR   (SF_BASE + 0x08)
	Reset status register address.
#define	SF_EXT_RESET   0x0000006C
	Reset caused by external pin.
#define	SF_WD_RESET   0x00000053
	Reset caused by internal watch dog.
Memory Mode Register
#define	SF_MMR   (SF_BASE + 0x0C)
	Memory mode register address.
#define	SF_RAMWU   0x00000001
	Internal extended RAM write allowed.
Protect Mode Register
#define	SF_PMR   (SF_BASE + 0x18)
	Protect mode register address.
#define	SF_AIC   0x00000020
	AIC runs in protect mode.