M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 261
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
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CPU Rewrite Mode (Flash Memory Version)
246
Figure 1.29.7. Read lock bit status flowchart
Read Lock Bit Status Command (71
By writing the command code “71
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 (D6).
Figure 1.29.7 shows an example of a read lock bit program flowchart.
Enter block address
Note: Data bus bit 6.
Blocks locked
Write 71
D6 = 0?
16
16
Start
(Note)
” in the first bus cycle and then the block address of a flash
)
YES
16
NO
Blocks not locked
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Mitsubishi microcomputers
M16C / 62 Group
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