DDR Controller
•Supports mDDR / DDR2
•DDR controller has three functional blocks:
–Virtual Rotated Frame Buffer (VRFB), supporting rotations of 0
, 90
, 180
,270
–SDRAM
•Optimizes latency and bandwidth usage among requestors
–SDRAM Controller
•Physical interface to DDR2 or mDDR
•Two chip selects
| AM3517/05 |
|
|
SDRAM | mDDR/DDR2 |
Supported |
|
|
|
Measured | 810MB/sec |
Throughput |
|
|
|
Supported | 16M, 32M (2 |
Size (bits) | Banks) |
| 64M, 128M, 256M, |
| 512M,1G, |
| 2G (4 Banks) |
Max Clock | 166MHz |
Speed |
|
Chip Selects | 2 |
Data Width | 16/32b |
|
|
13
