at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 909

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

43.11.24 Power Control Register
Name: PWRCON
Access: Read/Write
Reset value: 0x0000000e
• LCD_PWR: LCD module power control
0 = lcd_pwr signal is low, other lcd_* signals are low.
0->1 = lcd_* signals activated, lcd_pwr is set high with the delay of GUARD_TIME frame periods.
1 = lcd_pwr signal is high, other lcd_* signals are active.
1->0 = lcd_pwr signal is low, other lcd_* signals are active, but are set low after GUARD_TIME frame periods.
• GUARD_TIME
Delay in frame periods between applying control signals to the LCD module and setting LCD_PWR high, and between set-
ting LCD_PWR low and removing control signals from LCD module
• LCD_BUSY
Read-only field. If 1, it indicates that the LCD is busy (active and displaying data, in power on sequence or in power off
sequence).
6249D–ATARM–20-Dec-07
LCD_BUSY
31
23
15
–
–
7
30
22
14
–
–
–
6
29
21
13
–
–
–
5
GUARD_TIME
28
20
12
–
–
–
4
27
19
11
–
–
–
3
AT91SAM9263 Preliminary
26
18
10
–
–
–
2
25
17
–
–
9
–
1
LCD_PWR
24
16
–
–
8
–
0
909