HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 612

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

LOOPR1: DEC.W
LOOPR2: DEC.W
PWVFNG: CMP.B
PWVFOK: INC.L
PWADD2: INC.B
;
ERASES: MOV.W
ERASE:
LOOPE:
Execute erase
BPL
MOV.B
MOV.W
MOV.W
MOV.W
BPL
MOV.B
BEQ
BEQ
INC.B
SHLL.W
BRA
CMP.L
BEQ
BRA
BRA
SUB.W
MOV.W
MOV.W
MOV.W
MOV.W
MOV.W
MOV.B
PUSH.L
POP.L
PUSH.L
POP.L
PUSH.L
POP.L
DEC.W
BPL
MOV.B
MOV.W
MOV.W
#1,
LOOPR1
R5L,
#A500,
R5,
#c,
#1,
LOOPR2
@ER3,
PWVFOK
#06,
ABEND1
R1H
E0
PREWRS
#1,
ER4,
PWADD2
PREW
R1L
PRETST
R6,
E6,
#d,
#f ,
R5,
E0,
#4240,
R5H,
ER5
ER5
ER5
ER5
ER5
ER5
#1,
LOOPE
R5L,
#A500,
R5,
E1
@FLMCR:8 ;
R5
@TCSR:16 ;
R5
R5
R5H
R1H
ER3
ER3
@EBR1:16 ;
E6
E0
R5
@TCSR:16 ;
E1
R5
@FLMCR:8 ;
E1
@FLMCR:8 ;
R5
@TCSR:16 ;
603
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Program
Clear P bit
Stop watchdog timer
Prewrite-verify loop counter
Read data = #'00?
If read data = #'00, branch to PWVFOK
Prewrite-verify executed 6 times?
If prewrite-verify executed 6 times, branch to ABEND1
Prewrite-verify fail count + 1
Double prewrite loop counter value
Prewrite again
Address + 1
Last address?
Used to test (R1L + 1)–th bit in R0
Branch to PRETST
Set EBR1/EBR2
E6: erase-verify fail count
Set initial erase loop counter value
Start watchdog timer
Set erase-loop counter
Set E bit
Erase
Clear E bit
Stop watchdog timer
ER3
R1H