Texas Instruments AM335 Series

3. Reset GPMC
2. Enable GPMC pads
4. NOR memory type
* Optional
7. NAND memory type
1. Enable GPMC clocks
Start
End
GPMC
initialization
GPMC
configuration
What
protocol?
NOR NAND
5. NOR chip-select
configuration
6. NOR timings
configuration
12. Wait pin
configuration *
13. Enable
chip-select
8. NAND chip-select
configuration
10. ECC engine *
9. Read operations
(asynchronous)
9. Write operations
(asynchronous)
11. Prefetch and
write posting
engine *
GPMC www.ti.com
Figure 7-42. Programming Model Top-Level Diagram
336
Memory Subsystem SPRUH73H–October 2011–Revised April 2013
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