SH7047 Datasheet, PDF(615/764 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series

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SH7047 Datasheet, PDF (615/764 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTMRISC engine Family/SH7000 Series

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Wait time: tsswe

Programming/erasing

possible

Wait time: 100 Âµs

CK

tosc1

Vcc

min 0 Âµs

FWP

MD3 to MD0*1

tMD*S3

RES

SWE bit

SWE

set

SWE

cleared

Period during which flash memory access is prohibited

(tsswe: Wait time after setting SWE bit)*2

Period during which flash memory can be programmed

(Execution of program if flash memory prohibited, and data reads other than verify operations prohibited)

Notes: 1. Except when switching modes, the level of the mode pins (MD3 to MD0) must be fixed until power-off by

pulling the pins up or down.

2. See Section 25.5, Flash Memory Characteristics in Electrical Characteristics.

3. See Section 25.3.3, Control Signal Timing in Electrical Characteristics.

Figure 19.12 Power-On/Off Timing (User Program Mode)

Rev. 2.00, 09/04, page 575 of 720

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