Block Diagram Of The Entire Flash Memory And Sector Configuration Of The Flash Memory - Fujitsu MB90390 Series Hardware Manual

28.2 Block Diagram of the Entire Flash Memory and Sector
Configuration of the Flash Memory
Figure 28.2-1 shows the block diagram of the entire flash memory. Figure 28.2-2 shows
the sector configuration of the 3M-bit flash memory.
■ Block Diagram of the Entire Flash Memory
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
2
F MC-16LX
bus
Figure 28.2-1 Block Diagram of the Entire Flash Memory
Flash memory
interface circuit
BYTE
CE
OE
WE
AQ0 to AQ18
DQ0 to DQ15
INT
RY/BY
Write enable interrupt signal
(to CPU)
External reset signal
CHAPTER 28 3M-BIT FLASH MEMORY
2Mbit/3Mbit 3Mbit
Flash memory
BYTE
CE
OE
WE
AQ0 to AQ18
DQ0 to DQ15
RY/BY
RESET
RY/BY write
enable signal
557