HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 497

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ERASE:
LOOPE:
; Execute erase-verify
LOOPEV:
EVR2:
LOOPDW:
RERASE:
BRER:
OKEND:
ABEND2:
ADDS
MOV.W
MOV.W
MOV.W
BSET
NOP
NOP
NOP
NOP
SUBS
MOV.W
BNE
BCLR
MOV.W
MOV.W
MOV.W
MOV.B
BSET
DEC
BNE
MOV.B
MOV.B
MOV.B
DEC
BNE
MOV.B
CMP.B
BNE
CMP.W
BNE
BRA
BCLR
SUBS
MOV.W
CMP.W
BPL
ADD.W
MOV.W
CMP.W
BNE
BRA
BCLR
MOV.B
One block erased
Erase error
MOV.B
#1,
#H'e,
R4,
R5,
#1,
#1,
R4,
LOOPE
#1,
#H'A500,
R4,
R0,
#H'b,
#3,
R4H
LOOPEV
#H'FF,
R1H,
#H'c,
R4H
LOOPDW
@R3+,
#H'FF,
RERASE
R2,
EVR2
OKEND
#3,
#1,
#H'0004,
R4
BRER
R5,
#H'025A,
R4,
ERASE
ABEND2
#3,
R6L,
#H'00,
R6
R4
@TCSR
R4
@FLMCR:8
R4
R4
@FLMCR:8
R4
@TCSR
R3
R4H
@FLMCR:8
R1H
@R3
R4H
R1H
R1H
R3
@FLMCR:8
R3
R4
R6
R5
R4
R6
@FLMCR:8
@EBR*:8
R6L
; Erase-verify fail counter + 1
;
; Start watchdog timer
; Set erase loop counter
;
;
; Wait loop
;
; Stop watchdog timer
; Top address of block to be erased
; Set erase-verify loop counter
;
; Wait loop
;
; Dummy write
; Set erase-verify loop counter
;
; Wait loop
; Read
; Read data = H'FF?
; If read data
; Last address of block?
; Erase-verify address – 1
;
; Erase-verify fail count executed 4 times?
; If R6 4, branch to BRER (branch until R6 is 4 to 602)
; If R6<4, Erase time
;
; Erase-verify executed 602 times?
; If erase-verify not executed 602 times, erase again
; If erase-verify executed 602 times, branch to ABEND2
;
; Clear EBR*
;
;
;
;
;
Set E bit
Clear E bit
Set EV bit
Clear EV bit
Clear EV bit
H'FF, branch to RERASE
2 (execute when R6 is 1, 2, or 3)
R3
R6
465