The parameters are defined as seen in the following illustration.
- +----------+-------------------------------------+----------+-------+
- | | ^ | | |
- | | |vback_porch | | |
- | | v | | |
- +----------#######################################----------+-------+
- | # ^ # | |
- | # | # | |
- | hback # | # hfront | hsync |
- | porch # | hactive # porch | len |
- |<-------->#<-------+--------------------------->#<-------->|<----->|
- | # | # | |
- | # |vactive # | |
- | # | # | |
- | # v # | |
- +----------#######################################----------+-------+
- | | ^ | | |
- | | |vfront_porch | | |
- | | v | | |
- +----------+-------------------------------------+----------+-------+
- | | ^ | | |
- | | |vsync_len | | |
- | | v | | |
- +----------+-------------------------------------+----------+-------+
+ +-------+----------+-------------------------------------+----------+
+ | | | ^ | |
+ | | | |vsync_len | |
+ | | | v | |
+ +-------+----------+-------------------------------------+----------+
+ | | | ^ | |
+ | | | |vback_porch | |
+ | | | v | |
+ +-------+----------#######################################----------+
+ | | # ^ # |
+ | | # | # |
+ | hsync | hback # | # hfront |
+ | len | porch # | hactive # porch |
+ |<----->|<-------->#<-------+--------------------------->#<-------->|
+ | | # | # |
+ | | # |vactive # |
+ | | # | # |
+ | | # v # |
+ +-------+----------#######################################----------+
+ | | | ^ | |
+ | | | |vfront_porch | |
+ | | | v | |
+ +-------+----------+-------------------------------------+----------+
The following is the panel timings shown with time on the x-axis.