SH7041A datasheet(721/923 Pages) RENESAS

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SH7041A 데이터시트(PDF) 721 Page - Renesas Technology Corp

부품명	SH7041A

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

PDF	923 Pages

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제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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683

22.2.2

Mode Transition Diagram

When the mode pins and the FWP pin are set in the reset state and a reset start is executed, the

microcomputer enters one of the operating modes shown in figure 22.2. In user mode, flash

memory can be read but not programmed or erased.

Flash memory can be programmed and erased in boot mode, user program mode, and programmer

mode.

RES=0

FWP=0

FWP=1

MD1=1,

FWP=1

RES=0

Notes: Execute transition between the user mode

and user program mode while the CPU is

not programming or erasing the flash memory.

*1 RAM emulation permitted

*2 MD0=1, MD1=0, MD2=1, MD3=1

Reset state

User mode

User

program mode

Boot mode

Programmer

mode

On-board programming mode

Figure 22.2 Flash Memory Mode Transitions

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