Renesas R61509V Manuel D’Utilisation
R61509V
Target
Spec
Rev. 0.11 April 25, 2008, page 46 of 181
Display Control 2 (R008h)
FP[7:0]: Sets the number of lines for front porch period (a blank period made after the end of display).
BP[7:0]: Sets the number of lines for back porch period (a blank period made before the beginning of
display).
display).
In external display interface operation, a back porch (BP) period starts on the falling edge of the VSYNCX
signal and the display operation starts after the back porch period. After the front porch period, a blank
period continues until next VSYNCX input is detected.
signal and the display operation starts after the back porch period. After the front porch period, a blank
period continues until next VSYNCX input is detected.
Table 13
FP [7:0]
BP [7:0]
BP [7:0]
Number of front porch line
Number of back porch line
8’h00
Setting inhibited
Setting inhibited
8’h01 Setting
inhibited
Setting
inhibited
8’h02 Setting
inhibited
2
lines
8’h03
3 lines
3 lines
8’h04
4 lines
4 lines
8’h05
5 lines
5 lines
8’h06
6 lines
6 lines
8’h07
7 lines
7 lines
8’h08
8 lines
8 lines
8’h09
9 lines
9 lines
8’h0A 10
lines
10
lines
8’h0B 11
lines
11
lines
8’h0C 12
lines
12
lines
8’h0D 13
lines
13
lines
8’h0E 14
lines
14
lines
8’h0F 15
lines
15
lines
：
：
：
8’h7F 127
lines
127
lines
8’h80 128
lines
128
lines
8’h81 Setting
inhibited
Setting
inhibited
：
：
：
8’hFF Setting
inhibited
Setting
inhibited
R/W RS IB15 IB14 IB13 IB12 IB11 IB10
IB9
IB8
IB7
IB6
IB5
IB4
IB3 IB2 IB1 IB0
R/W 1
FP
[7]
[7]
FP
[6]
[6]
FP
[5]
[5]
FP
[4]
[4]
FP
[3]
[3]
FP
[2]
[2]
FP
[1]
[1]
FP
[0]
[0]
BP
[7]
[7]
BP
[6]
[6]
BP
[5]
[5]
BP
[4]
[4]
BP
[3]
[3]
BP
[2]
[2]
BP
[1]
[1]
BP
[0]
[0]
Default
0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0