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32186 Datasheet(PDF) 175 Page - Renesas Technology Corp

Part # 32186
Description  MCU
PDF  1032 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

32186 Datasheet(HTML) 175 Page - Renesas Technology Corp

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6
INTERNAL MEMORY
6-33
32185/32186 Group Hardware Manual
Rev.1.10 REJ09B0235-0110 May 15, 07
Figure 6.6.6 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) FENTRY bit to 0
Set the Flash Control Register in SFR area
(FCNT1) 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(Note 2)
OK
NO
END
Note 1: For details about each command, see Section 6.6.3, "Procedure for Programming/Erasing
the Internal Flash Memory."
Note 2: Checked by FPMOD bit in FMOD register and MOD0DT and MOD1DT bits in P8DATA register
Go to flash E/W enable mode
6.6 Programming Internal Flash Memory



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