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Chapter 54 Flash Memory
3.Configuration
3. Configuration
Figure 3-1 Block Diagram (32bit flash)Figure 3-2 Block Diagram (64bit flash)
FLASH memory
Control signal
A0 to A17
DQ0 to DQ15
Control signal
Control signal
A0 to A17
Address
DQ0 to DQ15
Data
CPU
FLASH interface
Control
signal
Address
Data
Interface
with
FLASH
writer
(when in
FLASH
mode)
CPU

CPU core

A0 to A20

DQ0 to DQ31 DQ0 to DQ31

A0 to A20
32-bit
32-bit

16-bit

FLASH memory
Control signal
A0 to A17
DQ0 to DQ15
Control signal
Control signal
A0 to A17
Address
DQ0 to DQ15
Data
CPU
FLASH interface
Control
signal
Address
Data
Interface
with
FLASH
writer
(when in
FLASH
mode)
CPU

CPU core

A0 to A20

DQ0 to DQ63 DQ0 to DQ63

A0 to A20

64-bit

32-bit

16-bit