Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK データシート
製品コード
AT91SAM9M10-G45-EK
1103
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
45.12.35 LCD Write Protect Mode Register
Name:
LCD_WPMR
Access:
Read-write
• WPEN: Write Protect Enable
0 = Disables the Write Protect if WPKEY corresponds to0x4C4344 ("LCD" in ASCII).
1 = Enables the Write Protect if WPKEY corresponds to0x4C4344 ("LCD" in ASCII).
Protects the registers:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• WPKEY: Write Protect KEY
Should be written at value 0x4C4344 ("LCD" in ASCII). Writing any other value in this field aborts the write operation of the
WPEN bit. Always reads as 0.
WPEN bit. Always reads as 0.
31
30
29
28
27
26
25
24
WPKEY
23
22
21
20
19
18
17
16
WPKEY
15
14
13
12
11
10
9
8
WPKEY
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
WPEN