HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 155

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

146
SBCLR:
BLKAD:
HANTEI:
BRER:
;****
ERVADR:
EOWARI:
ABEND2:
< Block address table used in erase-verify >
CMP.W
BNE
CMP.B
BMI
MOV.B
SUBX
BCLR
BRA
BCLR
INC
BRA
BCLR
MOV.B
MOV.B
MOV.W
BEQ
MOV.W
CMP.W
BPL
ADD.W
MOV.W
CMP.W
BNE
BRA
.ALIGN
.DATA.W H'0000
.DATA.W H'0080
.DATA.W H'0100
.DATA.W H'0180
.DATA.W H'0200
.DATA.W H'0400
.DATA.W H'0800
.DATA.W H'0C00
.DATA.W H'1000
.DATA.W H'2000
.DATA.W H'4000
.DATA.W H'6000
.DATA.W H'8000
R4,
EVR2
#H'08,
SBCLR
R1L,
#H'08,
R1H,
BLKAD
R1L,
R1L
EBRTST
#3,
R0H,
R0L,
R0,
EOWARI
#H'0004,
R4,
BRER
R5,
#H'025A,
R4,
ERASE1
ABEND2
R3
R1L
R1H
R1H
R0H
R0L
@FLMCR:8 ;
@EBR1:8
@EBR2:8
R4
R4
R6
R5
R4
R6
2
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SB0
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SB1
SB2
SB3
SB4
SB5
SB6
SB7
LB0
LB1
LB2
LB3
FLASH END
;
;
Last address in block?
If R1L
R1L – 8
Clear bit R1H in EBR1 (R0H)
Clear bit R1L in EBR2 (R0L)
R1L + 1
Clear EV bit
If EBR1/EBR2 = all 0s, normal end of erase
Erase-verify fail count = 4?
If R6
If R6 < 4, double erase time (executed only for R6 = 1, 2, 3)
Erase-verify executed 602 times?
If erase-verify not executed 602 times, erase again
If erase-verify executed 602 times, branch to ABEND2
End of erase
Erase error
****
4. branch to BRER (branch until R6 = 4–602)
8, EBR1 test; if R1L < 8, EBR2 test
R1H
R1L