Digi NS9215 manual Address mapping, For the Dynamic, Memory Configuration, Description

							M E M O R Y C O N T RO L L E R	. .
							Dynamic Memory Configuration 0–3 registers..
								.
Address mapping	The next table shows address mapping for the Dynamic Memory Configuration 0-3
for the Dynamic	registers. Address mappings that are not shown in the table are reserved.
Memory
Configuration	[14]	[12]	[11:9]	[8:7]	Description
registers
	16-bit external bus high-performance address mapping (row, bank column)
	0	0	000	00	16	Mb (2Mx8), 2 banks, row length=11, column length=9
	0	0	000	01	16	Mb (1Mx16), 2 banks, row length=11, column length=8
	0	0	001	00	64	Mb (8Mx80, 4 banks, row length=12, column length=9
	0	0	001	01	64	Mb (4Mx16), 4 banks, row length=12, column length=8
	0	0	010	00	128		Mb (16Mx8), 4 banks, row length=12, column length=10
	0	0	010	01	128		Mb (8Mx16), 4 banks, row length=12, column length=9
	0	0	011	00	256		Mb (32Mx8), 4 banks, row length=13, column length=10
	0	0	011	01	256		Mb (16Mx16), 4 banks, row length=13, column length=9
	0	0	100	00	512		Mb (64Mx8), 4 banks, row length=13, column length=11
	0	0	100	01	512		Mb (32Mx16), 4 banks, row length=13, column length=10
	16-bit external bus low-power SDRAM address mapping (bank, row, column)
	0	1	000	00	16	Mb (2Mx8), 2 banks, row length=11, column length=9
	0	1	000	01	16	Mb (1Mx16), 2 banks, row length=11, column length=8
	0	1	001	00	64	Mb (8Mx8), 4 banks, row length 12, column length=9
	0	1	001	01	64	Mb (4Mx16), 4 banks, row length=12, column length=8
	0	1	010	00	128		Mb (16Mx8), 4 banks, row length=12, column length=10
	0	1	010	01	128		Mb (8Mx16), 4 banks, row length=12, column length=9
	0	1	011	00	256		Mb (32Mx8), 4 banks, row length=13, column length=10
	0	1	011	01	256		Mb (16Mx16), 4 banks, row length=13, column length=9
	0	1	100	00	512		Mb (64Mx8), 4 banks, row length=13, column length=11
	0	1	100	01	512		Mb (32Mx16, 4 banks, row length=13, column length=10
	32-bit extended bus high-performance address mapping (row, bank, column)
	1	0	000	00	16	Mb (2Mx8), 2 banks, row length=11, column length=9
	1	0	000	01	16	Mb (1Mx16), 2 banks, row length=11, column length=8
	1	0	001	00	64	Mb (8Mx8), 4 banks, row length=12, column length=9
	1	0	001	01	64	Mb (4Mx16), 4 banks, row length=12, column length=8
	1	0	001	10	64	Mb (2Mx32), 4 banks, row length=11, column length=8
	1	0	010	00	128		Mb (16Mx8), 4 banks, row length=12, column length=10
	1	0	010	01	128		Mb (8Mx16), 4 banks, row length=12, column length=9
	1	0	010	10	128		Mb (4Mx32), 4 banks, row length=12, column length=8
	1	0	011	00	256		Mb (32Mx8), 4 banks, row length=13, column length=10

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