SH7018 datasheet(355/431 Pages) RENESAS

355 / 431 page

339

Sample 128-Byte Programming Program: The wait time set values (number of loops) are for

the case where f = 20 MHz. For other frequencies, the set value is given by {wait time (µs)

× f

(MHz) ÷ 4}.

Registers Used

R11 (input):

Program data storage address

R12 (input):

Programming destination address

R13 (output):

OK (normal) or NG (error)

R0–10, 14:

Work registers

FLMCR1

.EQU

H'80

.EQU

H'0

.EQU

H'1

WAIT_X

.EQU

; 1

µs

WAIT_Y

.EQU

250

; 50

µs

WAIT_Z1

.EQU

150

; 30

µs (1st to 6th time)

WAIT_Z5

.EQU

1000

; 200

µs (7th to 1000th time)

WAIT_ZA

.EQU

; 10

µs (Additional write)

WAIT_A

.EQU

; 5

µs

WAIT_B

.EQU

; 5

µs

WAIT_C

.EQU

; 4

µs

WAIT_D

.EQU

; 2

µs

WAIT_E

.EQU

; 2

µs

WAIT_F

.EQU

500

; 100

µs

WDT_TCSR .EQU

H'FFFF8610

WDT_1m

.EQU

H'A57A

SWESET

.EQU

H'40

; B'01000000

PSUSET

.EQU

H'50

; B'01010000

PSET

.EQU

H'51

; B'01010001

PCLEAR

.EQU

H'50

; B'01010000

PSUCLEAR .EQU

H'40

; B'01000000

PVSET

.EQU

H'44

; B'01000100

PVCLEAR

.EQU

H'40

; B'01000000

SWECLEAR .EQU

H'00

; B'00000000

MAXVERIFY

.EQU

1000

;

FLASHPROGRAM

.EQU

MOV

R11,R3

; Save program data to

MOV.L

#RDATABUFF,R0

; work area

SH7018 Datasheet(PDF) 355 Page - Renesas Technology Corp

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