Texas Instruments OMAP5912 Reference Manual page 888

Multimedia processor device overview and architecture
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CompactFlash Controller
2.3
Hardware NFC with Multiplexed NOR Flash Add-On Option
Figure 24.
Hardware NFC with Multiplexed NOR Flash Add On Option
OMAP5912
54 pins
FLASH.A[17:25]
FLASH.A[1:16]
FLASH.D[0:15]
FLASH.OE
FLASH.WE
FLASH.WP
FLASH.RDY
FLASH.BE[0]
FLASH.BE[1]
FLASH.CLK
FLASH.ADV
FLASH.CS3
2.4
CompactFlash Controller
82
Memory Interfaces
If this solution is chosen, the NOR flash interface must be configured with
ADDRESS and DATA multiplexed. This solution reuses ADD(1:16) for the
hardware NAND flash controller.
The CompactFlash controller (CFC) interfaces a CompactFlash and a
classical memory interface. Control signals from memory interface are
processed through the CFC to drive a CompactFlash card, and control signals
from
CompactFlash are processed to perform a data transfer to the memory
interface.
up to 64MB memory space for each CS
ADD[17..25]
A/DQ[0..15]
OE
WE
WP
RDY
RESET
CLK
ADV
CE
PS
add(2..7)(9)(12)
add11
add1
add13
add14
add15
add8
add16
mux NOR_FLASH
I/O
core
NAND_FLASH
I/O[1..8]
CEO
RD
I/O
WE
core
CLE
ALE
WP
RD/BUSY
SPRU756A

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