M16C Datasheet, PDF (239/262 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Preliminary Specifications REV.B
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M16C / 6N Group
Parallel I/O Mode
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Read Lock Bit Status Command (7116)
After the "7116" command code is written for the first bus cycle and the address block of a given block is
specified in the second bus cycle, the lock status of the specified block is output as data I/O pin bit 6 (D6).
Figure 24-6 shows an example of flowchart of the read lock bit status.
Star
t
Write 7116
Write block address
(Note)
NO
D6 = 0?
YES
Block locked
Note: Data bus bit 6.
Figure 24-5. Lock bit program flowchart
Block
unlocked
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