HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 608

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

LOOPDW: DEC.W
RERASE: MOV.W
KEEP:
OKEND:
ABEND1: MOV.W
ABEND2: MOV.W
BPL
MOV.B
CMP.B
BNE
CMP.L
BGT
BRA
MOV.B
DEC.L
CMP.W
BGE
SHLL.W
BRA
MOV.W
MOV.B
MOV.W
MOV.W
MOV.B
.............................
MOV.W
MOV.B
Programming error
MOV.W
MOV.B
Erase error
#1,
LOOPDW
@ER3+,
#FF,
RERASE
ER2,
EVR2
OKEND,
#4000,
R5H,
#1,
#0004,
KEEP
E4
ERASE
#4000,
R5H,
#0000,
R5,
R5L,
#0000,
R5,
R5L,
#0000,
R5,
R5L,
R4
R4H
R4H
ER3
R5
@FLMCR:8 ;
ER3
R0
R5
@FLMCR:8 ;
R5
@EBR1:16 ;
@FLMCR:8 ;
R5
@EBR1:16 ;
@FLMCR:8 ;
R5
@EBR1:16 ;
@FLMCR:8 ;
599
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Wait
Read
Read data = H’FF?
If read data ≠ H’FF, branch to RERASE
Last address in block?
If not last address in block, erase-verify
next address
Branch to OKEND
Clear EV bit
Erase-verify address – 1
Erase executed 4 times?
Double erase loop counter value
Erase again
Clear EV bit
Clear EBR1 and EBR2
Clear V
One block erased
Clear EBR1 and EBR2
Clear V
Clear EBR1 and EBR2
Clear V
PP
PP
PP
E bit
E bit
E bit
R3