S3C4510B Datasheet, PDF (208/422 Pages) Samsung semiconductor – Samsungs S3C4510B 16/32-bit RISC microcontroller is a cost-effective, high-performance microcontroller solution for Ethernet-based systems.

UNIFIED INSTRUCTION/DATA CACHE
S3C4510B
31 30 29 28 27 26 25
Tag Address (15-bit)
10 9
43210
Enable non-cacheable control _{15 (14)}
7 (8) bits ^2-bit
100: Set 0 direct access
101: Set 1 direct access
110: TAG direct access
2
switch
15 (14)
15 (14)
Height = 128 (256)
CS Set 1 Tag
Set 0 Tag
Decoder
7 (8)-bit
Tag RAM (32-bit)
Set I Cache 1 = 4 instruction/data (128-bit)
Instr3
Instr2
Instr1
Instr0
Set I Cache 0 = 4 instruction/data (128-bit)
Instr3
Instr2
Instr1
Instr0
32-bit
32-bit
7 (8)-bit
Height =
128 (256)
2
32
32
2
32
(Set 0 Hit)
(Set 1 Hit)
Figure 5-1. Memory Configuration for 4-Kbyte (or 8-Kbyte) Cache
5-2