32182 datasheet(155/755 Pages) RENESAS

Part #	32182

Description	32-BIT RISC SINGLE-CHIP MICROCOMPUTER M32R FAMILY / M32R/ECU SERIES

PDF	755 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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155 / 755 page

6-20

INTERNAL MEMORY

32182 Group User’s Manual (Rev.1.0)

Figure 6.5.6 Procedure for Entering Flash E/W Enable Mode

END

START

Enter one of the following modes:

• Single-chip mode

• Boot mode

• External extension mode

Transfer the flash write/erase program

into the internal RAM

Set the Flash Control Register in SFR area

(FCNT1, H'0080 01E2) FENTRY bit to 0

Set the Flash Control Register in SFR area

(FCNT1, H'0080 01E2) FENTRY bit to 1

Execute flash write/erase command and

various read commands (Note 1)

Switched to the flash write/erase

program

Wait for 1 µs

(using a hardware or software timer)

Jump to the flash memory or apply reset

Switched to normal mode

Check

MOD0/1 and FP pin

levels

END

FMOD(H'0080 01E0)

FPMOD

P8DATA(H'0080 0708)

D0 = MOD0DT

D1 = MOD1DT

Note 1: For details about each command, see Section 6.5.4, "Procedure for Programming/Erasing

the Internal Flash Memory."

→ Go to flash E/W enable mode

6.5 Programming the Internal Flash Memory

32182 Datasheet(PDF) 155 Page - Renesas Technology Corp