Datasheet

1103
SAM9M10 [DATASHEET]
6355FATARM12-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:
“LCD Control Register 1” on page 1081
“LCD Control Register 2” on page 1082
“LCD Timing Configuration Register 1” on page 1084
“LCD Timing Configuration Register 2” on page 1085
“LCD Frame Configuration Register” on page 1086
“LCD FIFO Register” on page 1087
“LCDMOD Toggle Rate Value Register” on page 1088
“Dithering Pattern DP1_2 Register” on page 1089
“Dithering Pattern DP4_7 Register” on page 1089
“Dithering Pattern DP3_5 Register” on page 1090
“Dithering Pattern DP2_3 Register” on page 1090
“Dithering Pattern DP5_7 Register” on page 1091
“Dithering Pattern DP3_4 Register” on page 1091
“Dithering Pattern DP4_5 Register” on page 1092
“Dithering Pattern DP6_7 Register” on page 1092
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.
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
76543210
———————WPEN