Tegra 3 datasheet完全版

Tegra3_TRM_4Tegra 3 Technical Reference Manual Display Controller

Constraint 3: Constraint 4:

V_FRONT_PORCH + V_SYNC_WIDTH + V_BACK_PORCH > 1 (vertical blank). V_SYNC_WIDTH >= 1 H_SYNC_WIDTH >= 1

Constraint 5:

V_REF_TO_SYNC >= 1 H_REF_TO_SYNC >= 0

Constraint 6:

V_FRONT_PORCH >= (V_REF_TO_SYNC + 1) H_FRONT_PORCH >= (H_REF_TO_SYNC + 1)

Constraint 7:

H_DISP_ACTIVE >= 16 V_DISP_ACTIVE >= 16

Only the back porch can be a negative value, though it is typically positive. Note that the back porch is defined as the distance between the trailing edge of the sync and the beginning of the active area. Some LCD specifications define the back porch from the leading edge of the sync rather than the trailing edge. Front porch is defined as the distance between the end of the active area and the leading edge o