www.德州仪器.com
2.3.1l2architectureexpanded
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁ ✁
0x0000 0000
011010001 111
0x0002 0000
000
L2MODE l2 记忆 块 根基地址
0x0003 8000
0x0003 0000
0x0004 0000
32k cache
(4 方法)
64k cache (4 方法)
128k cache (4 方法)
256k cache (4 way) [all]
256k sram (所有)
224k sram
192k sram
128k sram
128k-字节SRAM
64k-字节 内存
32k-字节 内存
0x0003 ffff
32k-字节 内存
TMS320DM642
video/imagingfixed-pointdigitalsignalprocessor
SPRS200J–JULY2002–REVISEDAUGUST2005
figure2-2showsthedetailofthel2architectureonthetms320dm642device.formoreinformationon
thel2modebits,seethecacheconfiguration(ccfg)registerbitfielddescriptionsinthe
TMS320C64x
二-levelinternalmemoryreferenceguide
(literaturenumberspru610).
figure2-2.tms320dm642l2architecturememoryconfiguration
DeviceOverview
15