HD6433044 Datasheet, PDF (614/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

HANTEI: MOV.W
MOV.B
MOV.W
BEQ
#4000,
R5H,
R0,
EOWARI
R5
;
@FLMCR:8 ; Clear EV bit
@EBR1:16 ; Clear bit of erased block to 0
; If EBR1/EBR2 is all 0, erasing ended normally
CMP.W #025A, E6
; E6 = 025A? (erase-verify fail count = 602?)
BEQ
ABEND2
INC.W #1,
E6
CMP.W #0004, E6
BGE
KEEP
SHLL.W E0
KEEP: BRA
ERASE
; If E6 = 025A, branch to ABEND2
; Erase-verify fail count + 1 → E6
;
; Erase executed 4-times?
; Double erase loop counter value
; Erase again
;———————<Block address table used in erase-verify>———————————————————————
.ALIGN2
ERVADR: .DATA.L 00000000
; #0000 LB0
.DATA.L 00004000
; #4000 LB1
.DATA.L 00008000
; #8000 LB2
.DATA.L 0000C000
; #C000 LB3
.DATA.L 00010000
; #10000 LB4
.DATA.L 00014000
; #14000 LB5
.DATA.L 00018000
; #18000 LB6
.DATA.L 0001C000
; #1C000 LB7
.DATA.L 0001F000
; #1F000 SB0
.DATA.L 0001F200
; #1F200 SB1
.DATA.L 0001F400
; #1F400 SB2
.DATA.L 0001F600
; #1F600 SB3
.DATA.L 0001F800
; #1F800 SB4
.DATA.L 0001FA00
; #1FA00 SB5
.DATA.L 0001FC00
; #1FC00 SB6
.DATA.L 0001FE00
; #1FE00 SB7
.DATA.L 00020000
; #20000 FLASH AREA END ADDRESS
EOWARI: MOV.B #00,
MOV.B R5L,
Erase end
ABEND1: MOV.W #0000,
MOV.W R5,
MOV.B R5L,
Programming error
ABEND2: MOV.W #0000,
MOV.W R5,
MOV.B R5L,
Erase error
R5L
;
@FLMCR:8 ; Clear V_PPE bit
R5
;
@EBR1:16 ; Clear EBR1 and EBR2
@FLMCR:8 ; Clear V_PPE bit
R5
;
@EBR1:16 ; Clear EBR1 and EBR2
@FLMCR:8 ; Clear V_PPE bit
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