at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 942

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

44.5.8
Name: 2DGC_LPR
Access: Read/Write
Reset Value: 0x00000000
• LPT: Line Pattern
Sets 16-bit 1D pattern or 4 x 4-bit 2D pattern for line drawing or polygon fill.
In 1D pattern drawing, LPT[0] is the starting point of the pattern. After each operation, LPT will rotate one bit to the right. In
2D pattern drawing, the bit pattern does not rotate. The operation is determined on the last 2 bits of X and Y addresses as
shown below.
942
Y[1:0]=0
Y[1:0]=0
Y[1:0]=0
Y[1:0]=0
31
23
15
–
–
7
AT91SAM9263 Preliminary
Line Pattern Register
30
22
14
–
–
6
X[1:0]=0
LPT[12]
LPT[8]
LPT[4]
LPT[0]
29
21
13
–
–
5
X[1:0]=1
LPT[13]
LPT[9]
LPT[5]
LPT[1]
28
20
12
–
–
4
LPT
LPT
27
19
11
–
–
3
X[1:0]=2
LPT[14]
LPT[10]
LPT[6]
LPT[2]
26
18
10
–
–
2
25
17
–
–
9
1
X[1:0]=3
LPT[15]
LPT[11]
LPT[7]
LPT[3]
6249D–ATARM–20-Dec-07
24
16
–
–
8
0