HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 434

• 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

FLMCR:
EBR1:
EBR2:
TCSR:
; #BLKSTR is top address of block to be erased.
; #BLKEND is last address of block to be erased.
; Execute prewrite
PREWRT:
PREWRS:
LOOPR1:
LOOPR2:
ABEND1:
PWVFOK:
402
.EQU
.EQU
.EQU
.EQU
.ALIGN
MOV.B
MOV.B
MOV.W
MOV.W
ADDS
MOV.W
MOV.B
MOV.W
INC
MOV.B
MOV.B
MOV.W
MOV.W
MOV.W
BSET
SUBS
MOV.W
BNE
BCLR
MOV.W
MOV.W
MOV.B
DEC
BNE
MOV.B
BEQ
CMP.B
BEQ
BRA
ADDS
CMP.W
BNE
Programming error
H'FF80
H'FF82
H'FF83
H'FFA8
2
#H'**,
ROH,
#BLKSTR,
#BLKEND,
#1,
R0,
#H'00,
#H'a,
R6L
#H'00
R1H,
#H'A578,
R4,
R5,
#0,
#1,
R4,
LOOPR1
#0,
#H'A500,
R4,
#H'c,
R4H
LOOPR2
@R3,
PWVFOK
#H'32,
ABEND1
PREWRS
#1,
R2,
PREWRT
ROH
@EBR*:8
R0
R2
R2
R3
R6L
R5
R1H
@R3
R4
@TCSR
R4
@FLMCR:8
R4
R4
@FLMCR:8
R4
@TCSR
R4H
R1H
R6L
R3
R3
;
; Set EBR*
; Top address of block to be erased
; Last address of block to be erased
; Last address of block to be erased + 1
; Top address of block to be erased
; Prewrite-verify fail counter
; Set prewrite loop counter
; Prewrite-verify fail counter + 1
;
; Write H'00
;
; Start watchdog timer
; Set prewrite loop counter
;
;
; Wait loop
;
; Stop watchdog timer
; Set prewrite-verify loop counter
;
; Wait loop
; Read data = H'00?
; If read data = H'00 branch to PWVFOK
; Prewrite-verify executed 50 times?
; If prewrite-verify executed 50 times, branch to ABEND1
; Prewrite again
; Address + 1
; Last address?
; If not last address, prewrite next address
;
;
Set P bit
Clear P bit
R3
R6L
R2