Renesas SH7781 User Manual

Page 1396

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27. NAND Flash Memory Controller (FLCTL)

Rev.1.00 Jan. 10, 2008 Page 1366 of 1658
REJ09B0261-0100

(2)

NAND-Type Flash Memory Access (2048

+ 64 Bytes)

Figure 27.5 shows an example of reading operation for NAND-type flash memory. In this
example, the first command is set to H'00, the second command is set to H'30, address data length
is set to 4 bytes, and the number of read bytes is set to 4 bytes in the data counter.

CLE

ALE

I/O7 to I/O0

R/B

WE

RE

H'00

H'30

1

2

3

4

A1

A2

A3

A4

Command stage

Address stage

Data stage

Command stage

Figure 27.5 Reading Operation Timing for NAND-Type Flash Memory

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