m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 428

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

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Figure 25.10 Read Lock Bit Status Command
2
0
1
9
C
3 .
B
8 /
0
1
25.3.5.8 Read Lock Bit Status Command
3
0
The read lock bit status command reads the lock bit state of a specified block.
By writing command code "xx71
ever, A
out to the data bus (D
Figure 25.10 shows a flow chart of the read lock bit status command programming.
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G
4
a
0 -
n
o r
3 .
1
u
, 1
3
p
1
0
2
(
=0) of a block in the second bus cycle, the lock bit state information of a specified block is read
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0
0
3
6
2
C
Page 405
8 /
, 3
M
3
6
2
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highest-order block address
4
3
8
) T
Read the value in the
8
Write command code
Blocks are locked
16
" in the first bus cycle and reading the highest-order address (how-
"xx71
D
Start
6
= 0?
YES
16
"
NO
No block is locked
25. Flash Memory Version