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Configuration of the flash memory – FUJITSU F2MCTM-16LX User Manual

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CHAPTER 24 512K-BIT FLASH MEMORY

24.2

Block Diagram of the Entire Flash Memory and Sector
Configuration of the Flash Memory

Figure 24.2-1 shows a block diagram of the entire flash memory with the flash memory
interface circuit included. Figure 24.2-2 sho
ws the sector configuration of the flash
memory.

Block Diagram of the Entire Flash Memory

Figure 24.2-1 Block Diagram of the Entire Flash Memory

Sector Configuration of the 512K-bit Flash Memory

Figure 24.2-2 shows the sector configuration of the 512K-bit flash memory. The addresses in the figure

indicate the high-order and low-order addresses of each sector.

BYTE

CE

OE

WE

AQ0 to AQ18

DQ0 to DQ15

RY/BY

BYTE

CE

OE

WE

AQ0 to AQ15

AQ

-1

DQ0 to DQ15

RY/BY

INT

RESET

RY/BY

Flash memory

interface circuit

Write enable signal

512K bits

flash memory

Write enable interrupt
signal (to CPU)

External reset signal

F

2

MC-16LX

bus

Port 2
Port 4
Port 5