Computer Accessories User Manual

GPMC Controller
AM35x
Supported PsRAM, OneNAND,
• 16-bit external memory
controller
•
GPMC can communicate with
NOR/NAND Flash,
ASYNC Logic
1GB (128MB per CS-
mux
mode)
•
GPMC can communicate with
many external devices:
– External asynchronous/synchronous 8-
bit wide memory/device
Supported Size
(bits)
mux
mode)
16 KB (2 KB per CS
non-mux
mode)
bit wide memory/device
– External asynchronous/synchronous
16-bit wide memory/device
–
External 16
-
bit non
-
multiplexed device
Max Clock
Speed
100 MHz
Chip Selects 8
–
External 16
-
bit non
-
multiplexed device
with limited address range (2 Kbytes)
– External 16-bit address/data-
multiplexed NOR flash device
Max Address
Space
2 KB non mux mode
128 MB mux mode
Data Width
16 b
multiplexed NOR flash device
– External 8-bit/16-bit NAND flash
device
–
External 16
-
bit pseudo SRAM
12
Data Width
16 b
–
External 16
-
bit pseudo SRAM
(pSRAM) device