Fujitsu F2MC-16LX Hardware Manual page 360

Mb90550a/b series, 16-bit

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Table of Contents

CHAPTER 23 1M-BIT FLASH MEMORY

■ Sector Configuration of the 1M-bit Flash Memory

Figure 23.2-2 shows the sector configuration of the 1M-bit flash memory and the high-order and

low-order address of each sector.

For access from the CPU, SA0 is stored in the FE bank register and SA1 to SA6 are stored in

the FF bank register.

Figure 23.2-2 Sector Configuration of the 1M-bit Flash Memory

*: A writer address is associated with a CPU address when data is written in the flash memory by the parallel writer.

This address is used to perform writing or deletion using the general-purpose writer.

Flash memory

SA6 (16K bytes)

SA5 (512 bytes)

SA4 (512 bytes)

SA3 (7K bytes)

SA2 (8K bytes)

SA1 (32K bytes)

SA0 (64K bytes)

Writer address *