Data Sheet

Ethernet Controller I210 —Interconnects
62
Figure 3-4. Flash Part Size is Larger Than BAR Size
0x 000000
0x00 07 FF
0x00 0FFF
0x 00 08 00
Ph ysica l Fla sh
Word Address
FLASH
1
Free Provisioning
Area Seg ment
Shado wRAM
Banks
Secu red Area
for FW image
Expan sion/Option
ROM Mo d u le
Expansion-ROM
BAR
0x001000
Memory
BAR
4 KB
4 KB
BAR Ad dress 0x0
128KB
If CS R_SIZE = 0b
BAR Ad dress 0x20000
BAR Ad dress 0x0
BAR_SIZE – 1
IF BAR_SIZ E = 0.5MB: 0.5MB – 8KB – 1
IF BAR_SIZ E = 1MB: 1MB – 8KB – 1