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M30620FCAFP Datasheet(PDF) 248 Page - Renesas Technology Corp

Part # M30620FCAFP
Description  16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES
PDF  615 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M30620FCAFP Datasheet(HTML) 248 Page - Renesas Technology Corp

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CPU Rewrite Mode (Flash Memory Version)
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
1-229
Write 7116
Enter block address
D6 = 0?
NO
Blocks locked
Blocks not locked
YES
Start
(Note)
Note: Data bus bit 6.
Read Lock Bit Status Command (7116)
By writing the command code “7116” in the first bus cycle and then the block address of a flash
memory block in the second bus cycle that follows, the system reads out the status of the lock bit of
the specified block on to the data bus(D6).
Figure 1.26.7 shows an example of a read lock bit program flowchart.
Figure 1.26.7. Read lock bit status flowchart



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