SH7014 datasheet(550/754 Pages) RENESAS

550 / 754 page

18. 128 kB Flash Memory (F-ZTAT)

Rev.5.00 Sep. 27, 2007 Page 516 of 716

REJ09B0398-0500

MOV.L

R11,@R3

;

Reprogram data RAM (PdataBuff) initialization

MOV.L

#Wait2u,R7

Wait_7

SUBC

R2,R7

;

Wait 2

μs

Wait_7

;

MOV.L

@R12+,R7

MOV.L

@R1+,R8

CMP/EQ

R7,R8

;

Verify

Verify_OK

MOV.L

#1,R10

;

Verify NG, m <- 1

XOR

R8,R7

;

Program data computation

NOT

R7,R7

R7,R8

MOV.L

R8,@R3

;

Store in reprogram data RAM (PdataBuff)

Verify_OK

.EQU

ADD.L

#4,R3

ADD.L

#-1,R13

CMP/PL

R13

VerifyLoop

;

MOV.L

#Wait4u,R7

AND.B

#PVCLEAR,@(R0,GBR)

;

Clear PV

Wait_8

SUBC

R2,R7

;

Wait 4

μs

Wait_8

;

CMP/PL

R10

;

if m=0 then GOTO Program_OK

Program_OK

ADD

#1,R9

MOV.L

#NG,R7

;

R7 <- NG (return value)

MOV.L

#MAXVerify,R12

;

if n>=MAXVerify then Program NG

CMP/EQ

R9,R12

Program_end

BRA

Program_loop

NOP

Program_OK

.EQU

MOV.L

#OK,R7

;

R7 <- OK (return value)

Program_end

.EQU

MOV.B

#H'00,R0

SH7014 Datasheet(PDF) 550 Page - Renesas Technology Corp

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