Abov MC96FR364B, Руководство пользователя

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November, 2018 Rev.1.4 179
FADDR15 FADDR14 FADDR13 FADDR12 FADDR11 FADDR10 FADDR9 FADDR8
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
FADDR[15:8] Flash Address Middle (Write)
Checksum result in auto verify mode (Read, PCRCRD=0)
CRC result in auto verify mode (Read, PCRCRD=1)
FARL (FLASH Address Register Low) EB
H
7 6 5 4 3 2 1 0
FADDR7 FADDR6 FADDR5 FADDR4 FADDR3 FADDR2 FADDR1 FADDR0
R/W R/W R/W R/W R/W R/W R/W R/W
Initial value : 00
H
FADDR[7:0]
Flash Address Low. As flash page buffer size is of 64 Bytes, only
the
MSB of this register is meaningful. (Write)
Checksum result in auto verify mode (Read, PCRCRD=0)
CRC result in auto verify mode (Read, PCRCRD=1)
FARH, FARM and FARL registers are used for program, erase, or auto-verify operation. In program or
erase mode, these registers point to the page number to be programmed or erased.
FCR (FLASH Control Register) EC
H
7 6 5 4 3 2 1 0
- - EXIT1 EXIT0 CMD3
PGM /
CMD2
ERASE /
CMD1
nPBRST /
CMD0
- - R/W R/W R/W R/W R/W R/W
Initial value : 01
H
EXIT[1:0] Exit from program or erase mode. This bit is auto-cleared after 1
system clock period.
EXIT1
EXIT0 Description
0 0 No exit
0 1 No exit
1 0 No exit
1 1 Exit
CMD[3:0] FLASH Command. The CMD0 bit(=nPBRST) is auto-set after 1
system clock period.
0000 Page Buffer Reset
0011 Erase
0101 Program
1101 LOCKF Program
others Prohibited (no operation)
FSR (FLASH Status Register) ED
H
7 6 5 4 3 2 1 0
nPEVBSY VFYGOOD PCRCRD - ROMINT PMODE EMODE VMODE
R R/W R/W - R/W R R R
Initial value : 80
H
nPEVBSY BUSY flag. Represents that program, erase, or verify operation is on-