
BIT1612 10-Bit Digital Video Decoder with OSD and T-CON
38
6.26.5 Chroma Transient Improvement (CTI)
BIT1612 提供Chroma Transient Improvement (CTI),相關Registers請參考 Table 6-33。
Table 6-33 Chroma Transient Improvement Register
Mnemonic Address R/W Bits Description Default
R_CTI_THD 0x08E[7:0] RW 8 CTI Process Threshold Value 0x01
R_CTI_U_SEL 0x08F[2:0] RW 3
CTI Level Selection for U Domain
000: Least CTI Enhancement
111: Most CTI Enhancement
111
R_CTI_V_SEL 0x08F[6:4] RW 3
CTI Level Selection for V Domain
000: Least CTI Enhancement
111: Most CTI Enhancement
111
CTI Enable
0: Disable
R_CTI_EN 0x08F[7] RW 1
1: Enable
0
6.26.6 Color Space Conversion
BIT1612 提供兩種 Color Space Conversion,用以轉換YUV Color Domain to RGB Color Domain相
關Registers請參考
Table 6-34。
Table 6-34 Color Space Converter Register
Mnemonic Address R/W Bits Description Default
Color Space Conversion
0: No Gamma-Correction
R_Y2R_SEL 0x090[7] RW 1
1: Gamma-Correction
0
6.26.7 LUT Gamma Correction
BIT1612 內建LUT-base Gamma Correction Function,其相關記憶體對應為 0x200~0x2FF,相關
Registers請參考 Table 6-35。
Table 6-35 LUT Gamma Register
Mnemonic Address R/W Bits Description Default
GAMMA LUT Enable
0: Gamma RAM R/W Mode
R_GAMMA_EN 0x090[2] RW 1
1: Gamma Correction Mode
0
GAMMA LUT RAM R/W Selection
00: Red
01: Green
10: Blue
R_GAMMA_SEL 0x090[4:3] RW 2
11: Write RGB, Read Forbiddance
00
6.26.8 Dither
BIT1612 內建 User Programmable Dither Function 能使 6 Bits Panel Display 得到更佳的顯示品質,
相關 Registers 請參考下表。
Table 6-36 Dither Register
Mnemonic Address R/W Bits Description Default
Dither Function Enable
0: Disable
R_DITHER_EN 0x090[1] RW 1
1: Enable
0
R_DITHER_EVEN 0x091[7:0] RW 8 EVEN Field Dither Factor 0x87
R_DITHER_ODD 0x092[7:0] RW 8 ODD Field Dither Factor 0x78
OSD Area Dither Mask Enable
0: Disable
R_DITHER_MASK 0x090[5] RW 1
1: Enable
1
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