Abov MC97F6108A, User Manual, Page: 201 / 256

MC97F6108A User’s manual 19. Memory programming
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FECR (Flash Control Register): EBH
7 6 5 4 3 2 1 0
AEF - EXIT1 EXIT0 WRITE READ nFERST nPBRST
R/W - R/W R/W R/W R/W R/W R/W
Initial value: 03H
AEF Enable Flash bulk erase mode
0 Disable bulk erase mode of Flash memory
1 Enable bulk erase mode of Flash memory
EXIT[1:0] Exit from program mode. It is cleared automatically after 1 clock
EXIT1 EXIT0 Description
0 0
Don’t exit from program mode
0 1
Don’t exit from program mode
1 0
Don’t exit from program mode
1 1 Exit from program mode
WRITE Start to program or erase of Flash. It is cleared automatically after 1 clock
0 No operation
1 Start to program or erase of Flash
READ Start auto-verify of Flash. It is cleared automatically after 1 clock
0 No operation
1 Start auto-verify of Flash
nFERST Reset Flash control logic. It is set automatically after 1 clock
0 Reset Flash control logic
1 No operation (default)
nPBRST Reset page buffer with PBUFF. It is set automatically after 1 clock
PBUFF nPBRST Description
0 0 Page buffer reset
1 0 Page buffer select register reset
X 1 No operation (default)
NOTE : WRITE and READ bits can be used in program, erase and verify mode with FEAR
registers. Read or writes for memory cell or page buffer uses read and write enable
signals from memory controller. Indirect address mode with FEAR is only allowed to
program, erase and verify