
BIT1612 10-Bit Digital Video Decoder with OSD and T-CON
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6.24.3 Vertical Scaling Engine
BIT1612 可依據Auto Switch Mode所選擇的模式 (Mode 0/Mode 1),自動切換適合的參數,針對影像
垂直方向分別做放大或縮小處理,以符合panel解析度。其相關設定請參考
Table 6-27。
Table 6-27 Vertical Scale-Down Register
Mnemonic Address R/W Bits Description Default
R_SCYE_START_M0
0x06C[1:0],
0x068[7:0]
RW 10
Vertical Start Value for EVEN Field
on Switch Mode 0
0x07A
R_SCYO_START_M0
0x06C[3:2],
0x069[7:0]
RW 10
Vertical Start Value for ODD Field
on Switch Mode 0
0x09E
R_SCY_SHIFT_M0 0x06C[4], 0x06A[7:0] RW 9
Vertical Shift Value on Switch
Mode 0
0x130
R_SCY_FIX_M0
0x06C[6:5],
0x06B[7:0]
RW 10
Vertical Fix Value on Switch Mode
0
0x000
Vertical Scaling Mode
0: Scaling Down Mode
R_UPDN_SEL_M0 0x06C[7] RW 1
1: Scaling Up Mode
0
Vertical Scaling Function Enable
on Switch Mode 0
0: Disable (Bypass Mode)
R_SCY_EN_M0 0x06D[0] RW 1
1: Enable (Scale Mode)
1
Vertical Scaling Filter Enable
0: Disable
R_SCY_FILTER_EN_M0 0x06D[1] RW 1
1: Enable
1
Vertical Scaling Filter Type on
Switch Mode 0
0: Bi-Linear Filter
R_SCY_FILTER_M0 0x06D[2] RW 1
1: Box Filter
0
Vertical Pre-Scaling Down Enable
on Auto Switch Mode 0
0: Disable
R_LINE_CUT_M0 0x06D[5] RW 1
1: Enable
0
Vertical Pre-Scaling Down Mode
on Auto Switch Mode 0
0: EVEN Line
R_CUT_MODE_M0 0x06D[6] RW 1
1: ODD Line
0
Vertical Pre-Scaling Change Mode
on Auto Switch Mode 0
0: Manual (R_CUT_MODE)
R_CUT_AUTO_M0 0x06D[7] RW 1
1: Auto (EVEN/ODD)
0
R_SCYE_START_M1
0x072[1:0],
0x06E[7:0]
RW 10
Vertical Start Value for EVEN Field
on Switch Mode 1
0x01B
R_SCYO_START_M1
0x072[3:2],
0x06F[7:0]
RW 10
Vertical Start Value for ODD Field
on Switch Mode 1
0x01B
R_SCY_SHIFT_M1 0x072[4], 0x070[7:0] RW 9
Vertical Shift Value on Switch
Mode 1
0x0FF
R_SCY_FIX_M1 0x072[6:5], 0x071[7:0] RW 10
Vertical Fix Value on Switch Mode
1
0x089
Vertical Scaling Mode on Switch
Mode 1
0: Scaling Down Mode
R_UPDN_SEL_M1 0x072[7] RW 1
1: Scaling Up Mode
0
Vertical Scaling Function Enable
on Switch Mode 1
0: Disable (Bypass Mode)
R_SCY_EN_M1 0x073[0] RW 1
1: Enable (Scale Mode)
1
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