CS98100 Cirrus Logic, Inc., CS98100 Datasheet - Page 22

• Manufacturer Part Number: CS98100
• Description: DVD Video Processor With Progressive Scan
• Manufacturer: Cirrus Logic, Inc.

4. MEMORY MAP AND REGISTERS
4.1
The CS98100 externally supports up to 32 Mbytes DRAM and 16 Mbytes ROM/NVRAM.
the memory map as viewed by the RISC processor, and identifies whether each segment is mapped or
cacheable.
4.2
Table 10
22
Processor Memory Map
Host Port Memory Map
lists the memory map as viewed by host slave port.
0000_0000 – 07FF_FFFF
8000_0000 - 81FF_FFFF
9400_0000 – 9CFF_FFFF
9C00_0000 – 9CFF_FFFF
9D00_0000 – 9DFF_FFFF
A000_0000 – A1FF_FFFF
B000_0000 – B003_FFFF
B400_0000 – BCFF_FFFF
BC00_0000 – BCFF_FFFF
BD00_0000 – BDFF_FFFF
C000_0000 – FFFF_FFFF
Processor byte address
0000 0000 – 003F FFFF
1000 0000 – 13FF FFFF
1400 0000 – 17FF FFFF
Host byte address
Table 9. Memory Map - RISC Processor
Table 10. Host Port Memory Map
DRAM (mapped)
DRAM (32 Mbytes)
16 bit NVRAM write (16 Mbytes)
16 bit NVRAM/ROM (16 Mbytes)
8 bit NVRAM/ROM (16 Mbytes)
DRAM (32 Mbytes)
Internal I/O (256 Kbytes)
16 bit NVRAM write (16 Mbytes)
16 bit NVRAM/ROM (16 Mbytes)
8 bit NVRAM/ROM (16 Mbytes)
DRAM (mapped)
Description
NVRAM space (16 Mbytes)
DRAM space (16 Mbytes)
Internal I/O Space
Description
CS98100
Cacheable
Table 9
Y
Y
N
Y
Y
N
N
N
N
N
Y
lists