SH7041A datasheet(745/923 Pages) RENESAS

Part #	SH7041A

Description	Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)

PDF	923 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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745 / 923 page

707

• Sample 32-byte programming program

The wait time set values (number of loops) are for the case where f = 28.7 MHz. For other

frequencies, the set value is given by the following expression:

Wait time (µs)

× f (MHz) ÷ 4

Registers Used

R4 (input):

Program data storage address

R5 (input):

Programming destination address

R7 (output):

OK (normal) or NG (error)

R0-3, 8-13:

Work registers

FLMCR1

.EQU

H’80

FLMCR2

.EQU

H’81

.EQU

H’0

.EQU

H’1

Wait10u

.EQU

Wait50u

.EQU

359

Wait4u

.EQU

Wait2u

.EQU

Wait200u

.EQU

1435

WDT_TCSR

.EQU

H’FFFF8610

WDT_573u

.EQU

H’A579

SWESET

.EQU

B’01000000

PSU1SET

.EQU

B’00010000

P1SET

.EQU

B’00000001

P1CLEAR

.EQU

B’11111110

PSU1CLEAR

.EQU

B’11101111

PVSET

.EQU

B’00000100

PVCLEAR

.EQU

B’11111011

SWECLEAR

.EQU

B’10111111

MAXVerify

.EQU

1000

;

FlashProgram

.EQU

MOV

#H’01,R2

;

R2 work register (1)

MOV.L

#PdataBuff,R0

;

Save program data to work area

MOV

R4,R12

MOV

#8,R13

COPY_LOOP

.EQU

SH7041A Datasheet(PDF) 745 Page - Renesas Technology Corp

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