MB86293 Datasheet, PDF (45/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
When the SH3 or SH4 mode is used, the register area can be moved by writing 1 to bit 0 at HostBase +
005Ch (RSW: Register location Switch). In the initial state, the register space is at the center
(1FC0000) of the 64 MB space; access CORAL after about 20 bus clocks after writing 1 to RSW.
64 MB space (SH3/SH4)
32 MB
Graphics memory
area
0000000 to 1FFFFFF
32 MB to 256 KB
Graphics memory
area
2000000 to 3FBFFFF
256 KB
Register area
3FC0000 to 3FFFFFF
Fig. 4.2 Memory Map
Size
64 MB to 256 KB
64 KB
32 KB
32 KB
32 KB
Table 4-6 Address Mapping in SH3/SH4 Mode
Resource
Graphics memory
Host interface registers
Display registers
Drawing registers
Geometry engine registers
Base address
00000000
03FC0000
03FD0000
03FF0000
03FF8000
(Name)
(HostBase)
(DisplayBase)
(DrawBase)
(GeometryBase)
MB86293 CORAL_LQ
Graphics Controller
45
Specifications Rev. 1.1