Filter
Top Products
. . . . .
SYSTEM CONTROL MODULE
System Memory Chip Select 1 Dynamic Memory Base and Mask registers
www.digiembedded.com 191
These control registers set the base and mask for system memory chip select 0, with
a minimum size of 4K. The powerup default settings produce a memory range of
0x0000 0000 — 0x0FFF FFFF.
Registers
Register bit
assignment
System Memory Chip Select 1 Dynamic Memory Base and
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mask registers
Addresses: A090 01D8 / 01DC
These control registers set the base and mask for system memory chip select 1, with
a minimum size of 4K. The powerup default settings produce a memory range of
0x1000 0000 — 0x1FFF FFFF.
13 12 11 10 9 8 7 6 5 4 3 2 1 015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Chip select 0 base (CS0B)
ReservedChip select 0 base (CS0B)
13121110987654321015 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 1630
Chip select 0 mask (CS0M)
ReservedChip select 0 mask (CS0M) CSD0
Bits Access Mnemonic Reset Description
D31:12 R/W CS0B 0x00000 Chip select 0 base
Base address for chip select 0
D11:00 N/A Reserved N/A N/A
D31:12 R/W CS0M 0xF0000 Chip select 0 mask
Mask or size for chip select 0
D11:01 N/A Reserved N/A N/A
D00 R/W CSD0 0x1 Chip select 0 disable
0 Disable chip select
1 Enable chip select