X64-AN Quad User's Manual
Theory of Operation
37
Horizontal
Back Porch
HD
Horizontal
Sync
Video
Out
Horizontal
Front
Porch
Time Delta
HD vs. HS
Figure 19: Master Mode Timing - HD relation to HS
Sapera parameters for Sync on Internal Sync:
CORACQ_PRM_SYNC = CORACQ_VAL_SYNC_INT_SYNC
CORACQ_PRM_MASTER_MODE =
CORACQ_VAL_MASTER_MODE_HSYNC_VSYNC
CORACQ_PRM_MASTER_MODE_HSYNC_POLARITY = {
CORACQ_VAL_ACTIVE_LOW, CORACQ_VAL_ACTIVE_HIGH}
CORACQ_PRM_MASTER_MODE_VSYNC_POLARITY = {
CORACQ_VAL_ACTIVE_LOW, CORACQ_VAL_ACTIVE_HIGH}
CORACQ_PRM_HSYNC: Size of horizontal sync pulse
CORACQ_PRM_HBACK_PORCH: Size of horizontal back porch
CORACQ_PRM_HACTIVE: Number of valid pixels per line
CORACQ_PRM_HFRONT_PORCH: Size of horizontal front porch
CORACQ_PRM_VSYNC: Size of vertical sync pulse
CORACQ_PRM_VBACK_PORCH: Size of vertical back porch
CORACQ_PRM_VACTIVE: Number of valid line from camera
CORACQ_PRM_VFRONT_PORCH: Size of vertical front porch