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M32C/86 Fiches technique(PDF) 434 Page - Renesas Technology Corp

No de pièce M32C/86
Description  RENESAS 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES
PDF  505 Pages
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M32C/86 Fiches technique(HTML) 434 Page - Renesas Technology Corp

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Block is not locked
Write "xxD016" to the highest-
order block address
Start
Block is locked
YES
NO
Write the command code "xx7116"
FMR00=1?
YES
NO
FMR16=0?
NOTES:
1. Write the command code and data to even addresses.
Figure 25.12 Read Lock Bit Status Command
25.3.5.8 Read Lock Bit Status Command
The read lock bit status command reads the lock bit state (the lock bit data) of a specified block.
By writing command code "xx7116" in the first bus cycle and "xxD016" to the highest-order even ad-
dress of a block in the second bus cycle, the FMR16 bit in the FMR1 register stores information on
whether or not the lock bit of a specified block is locked. Read the FMR16 bit after the FMR00 bit in the
FMR0 register is set to "1" (ready).
Figure 25.12 shows a flow chart of the read lock bit status command programming.



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