GMS30C7201 Datasheet, PDF (45/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Piccolo Macrocell
The simplified diagram Figure 5-2: ARM720TDSP Connected to External Memory below
shows how the ARM720TDSP is connected to external memory.
32-bit ROM
16-bit SDRAM
Static Memory
Controller
AMBA
SDRAM Controller
and Write Buffer
7201
720TDSP
includes Piccolo, Cache
and Write Buffer
Video Controllers
LCD and RGB
Figure 5-2: ARM720TDSP Connected to External Memory
The above enables a low cost/high-performance softmodem solution. V34bis (with V42bis
compression) softmodem can comfortably run on the GMS30C7201, assuming a 640x240 color
LCD and 8bpp operation.
5.1.3
References to other documentation
For details of the Piccolo Macrocell, please refer to the ARMSP7 Data Sheet (ARM DDI 0089).
Further information can be found in the following documents:
• Introduction to Piccolo (ARM DVI 0006)
• ARM Piccolo DSP Benchmarks (ARM DVI 0008)
• ARM Signal Processing Architecture, (ARM DDI 0128)
• ARM Signal Processing Architecture, Architecture Reference Manual (ARM IP 0025)
GMS30C7201 Data Sheet
5-3