
BIT1612 10-Bit Digital Video Decoder with OSD and T-CON
42
6.28.2 Video Decoder Architectures
Figure 6-27 Video Decoder Block Diagram
6.28.3 Video Decoder Adjustment
BIT1612 針對內建之 Video Decoder 提供多樣的處理機制,使用者可依據需求針對影像作調整,以獲
得最佳之顯示效果。相關架構請參考下列小節。
6.28.3.1 Brightness and Contrast
BIT1612 針對 Y Domain 做 Brightness 和 Contrast 的調整。其相對應設定如下所示。
Table 6-40 Color Adjustment Register
Mnemonic Address R/W Bits Description Default
R_BRIGHTNESS_VD 0x0A8[7:0] RW 8 Brightness Value 0x8A
R_CONTRAST_VD 0x0A9[7:0] RW 8 Contrast Value 0x71
R_BLACKLEVEL_VD 0x0AA[7:0] RW 8 Black Level Value 0x80
6.28.3.2 Sharpness Process
BIT1612 針對 Y Domain Data 提供 Sharpness 處理,可強化影像之銳利度,其相對應設定如下
所示。
Table 6-41 Sharpness and Smoothness Process Register
Mnemonic Address R/W Bits Description Default
R_UNSHARP_VAL_VD 0x0B1[6:0] RW 7
Sharpness value (0~127)
0x00: Least sharpness
0x7F: Most sharpness
0x00
Sharpness Enable
0: Disable
R_UNSHARP_EN_VD 0x0B1[7] RW 1
1: Enable
0
R_UNSHARP_THD_VD 0x0B2[5:0] RW 6 Sharpness Threshold Value 0x00
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