M30622M4 MITSUBISHI [Mitsubishi Electric Semiconductor], M30622M4 Datasheet - Page 245
M30622M4
Manufacturer Part Number
M30622M4
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M30622M4.pdf
(276 pages)
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M30622M4A-462GP D3
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CPU Rewrite Mode (Flash Memory Version)
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
245
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