NORDIC.AXCACHE

Address offset: 0x7C5

Memory type encoding

AXI4 protocol memory type encoding


Bit number				31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
ID																								C	C	C	C	B	B	B	B	A	A	A	A
Reset 0x00000EEE				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	0	1	1	1	0	1	1	1	0
ID	R/W	Field	Value ID	Value								Description
A	RW	AWCACHE										Memory type for data stores
			DEVNONBUFF	0x0								Device Non-Bufferable
			DEVBUFF	0x1								Device Bufferable
			NNONCACHENONBUFF	0x2								Normal Non-cacheable Non-bufferable
			NNONCACHEBUFF	0x3								Normal Non-cacheable Bufferable
			WRITETHNALLOC	0x6								Write-through No-allocate
			WRITETHRALLOC	0x6								Write-through Read-allocate
			WRITETHWALLOC	0xE								Write-through Write-allocate
			WRITETHRWALLOC	0xE								Write-through Read and Write-allocate
			WRITEBACKNALLOC	0x7								Write-back No-allocate
			WRITEBACKRALLOC	0x7								Write-back Read-allocate
			WRITEBACKWALLOC	0xF								Write-back Write-allocate
			WRITEBACKRWALLOC	0xF								Write-back Read and Write-allocate
B	RW	IARCACHE										Memory type for instruction loads
			DEVNONBUFF	0x0								Device Non-Bufferable
			DEVBUFF	0x1								Device Bufferable
			NNONCACHENONBUFF	0x2								Normal Non-cacheable Non-bufferable
			NNONCACHEBUFF	0x3								Normal Non-cacheable Bufferable
			WRITETHNALLOC	0xA								Write-through No-allocate
			WRITETHRALLOC	0xE								Write-through Read-allocate
			WRITETHWALLOC	0xA								Write-through Write-allocate
			WRITETHRWALLOC	0xE								Write-through Read and Write-allocate
			WRITEBACKNALLOC	0xB								Write-back No-allocate
			WRITEBACKRALLOC	0xF								Write-back Read-allocate
			WRITEBACKWALLOC	0xB								Write-back Write-allocate
			WRITEBACKRWALLOC	0xF								Write-back Read and Write-allocate
C	RW	DARCACHE										Memory type for data loads
			DEVNONBUFF	0x0								Device Non-Bufferable
			DEVBUFF	0x1								Device Bufferable
			NNONCACHENONBUFF	0x2								Normal Non-cacheable Non-bufferable
			NNONCACHEBUFF	0x3								Normal Non-cacheable Bufferable
			WRITETHNALLOC	0xA								Write-through No-allocate
			WRITETHRALLOC	0xE								Write-through Read-allocate
			WRITETHWALLOC	0xA								Write-through Write-allocate
			WRITETHRWALLOC	0xE								Write-through Read and Write-allocate
			WRITEBACKNALLOC	0xB								Write-back No-allocate
			WRITEBACKRALLOC	0xF								Write-back Read-allocate
			WRITEBACKWALLOC	0xB								Write-back Write-allocate
			WRITEBACKRWALLOC	0xF								Write-back Read and Write-allocate