Renesas R61509V User Manual
Page 122
R61509V
Target
Spec
Rev. 0.11 April 25, 2008, page 122 of 181
Polarities of VSYNCX, HSYNCX, ENABLE, and DOTCLK Signals
The polarities of VSYNCX, HSYNCX, ENABLE, and DOTCLK signals can be changed by setting the
DPL, EPL, HSPL, and VSPL bits, respectively for convenience of system configuration.
㪧
㪝
㪟
㫉
㪻
㪘
㪟
㪧
㪙
㪟
㪺
㫅
㫐
㫊
㪟
㪭㫊㫐㫅㪺
㪙㪧
㪭㪙㪧
㪭㪘㪻㫉
㪭㪝㪧
㪝㪧
Valid data period
Figure 43
Table 63
Parameters
Symbols
Min.
Typ.
Max.
Step
Unit
Horizontal Synchronization
Hsync
2
10
16
1
DOTCLKCYC
Horizontal Back Porch
HBP
2
20
24
1
DOTCLKCYC
Horizontal Address
HAdr
－
240
－
1
DOTCLKCYC
Horizontal Front Porch
HFP
2
10
16
1
DOTCLKCYC
Vertical Synchronization
Vsync
1
2
4
1
Line
Vertical Back Porch
VBP 1
2
－
1
Line
Vertical Address
VAdr
－
432
－
1
Line
Vertical Front Porch
VFP 3
4
－
1
Line
Note:
The values of typ. are based on the following conditions; the panel resolution is QVGA (240
×
432), the clock frequency is 7.39MHz, and the frame frequency is about 60Hz.)
Vsync
+ VBP = BP. VFP = FP. Vadr = NL.
(Number of clocks per 1H)
≥ (Number of RTN clocks) × (1/1 div.) × (PCDIVL + PCDIVH)
The setting example is shown in the following page.