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CHAPTER 22 DUAL OPERATION FLASH MEMORY
22.2 Sector/Bank Configuration of Flash Memory
22.2
Sector/Bank Configuration of Flash Memory
This section explains the sector/bank configuration of flash memory.
■ Sector and Bank Configuration of Dual Operation Flash Memory
Figure 22.2-1 shows the sector configuration of dual operation flash memory. The upper and lower
addresses of each sector are given in the figure.
●
Sector configuration
For access from the CPU, the FF bank register has SA0 to SA9.
●
Bank configuration
The flash memory consists of two banks: upper one ranging from SA4 to SA9 and lower one from SA0 to
SA3.
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FUJITSU MICROELECTRONICS LIMITED
MB90335 Series
CM44-10137-6E
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