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BIT1612 10-Bit Digital Video Decoder with OSD and T-CON
37
6.26.2 Pre-Processing Brightness/Contrast Adjustment
BIT1612 針對 Y Domain 提供 Brightness 和 Contrast 的調整。其輸入對輸出曲線及相對應設定如下所
示。
Table 6-30 Color Adjustment Register
Mnemonic Address R/W Bits Description Default
R_BRIGHTNESS 0x082[7:0] RW 8
Brightness Value (-128 ~ +127)
0x00=-128, 0x80=0, 0xFF=+127
0x80
R_CONTRAST 0x083[7:0] RW 8
Contrast Value for Middle Range
Adjustment Range (0.0 ~ 1.9922)
0x00=0.0, 0x80 = 1, 0xFF=1.9922
0x80
R_WHITE_SLOPE 0x084[7:0] RW 8
Contrast Value for White Range
Adjustment Range (0.0 ~ 1.9922)
0x00=0.0, 0x80 = 1, 0xFF=1.9922
0x80
R_BLACK_SLOPE 0x085[7:0] RW 8
Contrast Value for Black Range
Adjustment Range (0.0 ~ 1.9922)
0x00=0.0, 0x80 = 1, 0xFF=1.9922
0x80
R_WHITE_START 0x086[4:0] RW 5
White Range Start Position
Range : 0xE0 ~ 0xFF
0x00=0xE0, 0x3F=0xFF
0x00
R_BLACK_START 0x087[4:0] RW 5
Black Range Start Position
Range : 0x00 ~ 0x1F
0x00=0x00, 0x1F=0x1F
0x00
6.26.3 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 6-31 Sharpness and Smoothness Process Register
Mnemonic Address R/W Bits Description Default
R_UNSHARP_VAL 0x08A[6:0] RW 7
Sharpness Value (0~127)
0x00: Least Sharpness
0x7F: Most Sharpness
0x00
Sharpness Enable
0: Disable
R_UNSHARP_EN 0x08A[7] RW 1
1: Enable
0
R_UNSHARP_THD 0x08B[5:0] RW 6 Sharpness Threshold Value 0x00
6.26.4 Saturation and Kill Color Process
BIT1612 針對 UV Domain Data 提供 Saturation 和 Kill Color 的處理，可讓使用者依喜好調到較佳的
色彩影像，其相對應設定如下所示。
Table 6-32 UV Domain Register
Mnemonic Address R/W Bits Description Default
R_SAT_U 0x08C[6:0] RW 7
U Saturation Value (0.0 ~ 1.9843)
0x00=0.0, 0x40=1.0, 0x7F=1.9843
0x40
R_SAT_V 0x08D[6:0] RW 7
V Saturation Value (0.0 ~ 1.9843)
0x00=0.0, 0x40=1.0, 0x7F=1.9843
0x40
V Saturation Value Reference with
R_SAT_U
0: Disable
R_SAT_MODE 0x08C[7] RW 1
1: Simultaneously Adjust R_SAT_U and
R_SAT_V (From R_SAT_U)
1
Control Kill Color Enable
0: Disable
R_KILL_COLOR 0x090[6] RW 1
1: Enable
0
- BIT1612 1
- Content 2
- 1 General Description 11
- 2 Features 11
- 3 Order Information 13
- 4 Block Diagram 13
- 5 Pin Definition 14
- 6 Functional Description 18
- 6.4 Pad Type Setup 22
- 6.6 System Enable and Reset 23
- 6.7 Clock Domain Systems 24
- Panel Active Window 26
- Blank Range 26
- HSYNC Output 26
- VSYNC Output 26
- 6.9 Output Data Path 27
- 6.10 Special Output Setup 28
- Input VSYNC 29
- Output VSYNC 29
- 6.12 TCON Function 30
- 6.15 Background 2 33
- 6.17 Auto Blank Screen 34
- Input Image Window 35
- HSYNC Input 35
- VSYNC Input 35
- (Internal VD) 36
- R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 37
- G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 37
- B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 37
- 6.20.7 RGB565 38
- 6.21 Input Mode Selection 39
- Background 41
- 6.24 Scaling Engine 42
- 6.25 Timing Adjustment 45
- Pre-Image Enhancement 46
- Post-Image Enhancement 46
- 6.26.3 Sharpness Process 47
- 6.26.7 LUT Gamma Correction 48
- 6.26.8 Dither 48
- Factor 0x80 49
- 6.27 PWM Function 50
- R_PWM_REF 51
- Base on panel clock 51
- R_PWM_FREQ 51
- R_PWM_DUTY 51
- Base on reference clock 51
- 6.28.5 VBI Data Slicer 55
- 6.28.6 Source Detection 55
- 6.28.7 Luminance Process 56
- 6.28.8 Chroma Process 57
- 6.28.9 Comb Filter Process 58
- 6.28.10 AGC and ACC Process 60
- 6.28.11 AFE and PLL Control 63
- 6.30 Serial RGB Output 68
- 6.31 BIT1690 Interface 68
- 6.32 OSD Function 69
- 6.32.2 OSD Memory Mapping 70
- R_Wx_INDEXS 71
- R_Wx_INDEXE 71
- R_BANK_SEL = 000 72
- If Display RAM 72
- {0x503[4],0x403[6:0]} = 72
- {0x501[4],0x401[6:0]} 73
- R_Wx_INDEX_S 76
- R_OSD_LAYER[2:0] = 001 77
- 6.32.7 OSD Clock Control 79
- 6.33 Timer 80
- 6.34 IR Decoder Function 81
- 6.35 GPI and KEY Function 82
- 6.36 PLL and OSC Pads 82
- 6.37 Auto Detection 83
- 01: From VSYNC1 Pin 85
- 10: From HSYNC2 Pin 85
- 11: From VSYNC2 Pin 85
- 7 User Interface 86
- 7.2.1 Architecture 89
- 7.2.2 Instruction Set 91
- 7.2.3 Start and Interrupt 94
- 7.2.6 Watch Dog Timer 95
- 7.2.8 TWSI Write/Read 96
- 7.2.9 SPI Interface 96
- 7.2.10 Debug Mode 96
- 7.3 Slave Mode 97
- 7.3.2 TWSI Protocol 98
- From Pin 104 Setting 100
- From Pin 105 Setting 100
- 8 Timing Diagram 101
- 9 Electrical Characteristic 103
- 10 Soldering Information 104
- 11 Package Information 105
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