Zoom V3 1612 Manual do Utilizador descarregar pdf (Página 35)

BIT1612 10-Bit Digital Video Decoder with OSD and T-CON

6.18 Input Image Window Setup

設定Input Image Window，BIT1612 將針對此區域內的資料進行Scaling運算。其相關Registers設定請參考

Table 6-20，相對應之示意圖請參考 Figure 6-10。

Table 6-20 Input Crop Register

Mnemonic Address R/W Bits Description Default

Auto Switch Mode 0 Input Widows Setup

R_IS_XS_M0

0x040[1:0],

0x03E[7:0]

RW 10 Input Window horizontal Start Position 0x09A

R_IS_XW_M0

0x040[7:4],

0x03F[7:0]

RW 12 Input Window horizontal End Position 0x346

R_IS_YS_M0

0x043[1:0],

0x041[7:0]

RW 10 Input Window vertical Start Position 0x018

R_IS_YW_M0

0x043[6:4],

0x042[7:0]

RW 11 Input Window vertical End Position 0x133

Auto Switch Mode 1 Input Windows Setup

R_IS_XS_M1

0x046[1:0],

0x044[7:0]

RW 10 Input Window horizontal Start Position 0x08C

R_IS_XW_M1

0x046[7:4],

0x045[7:0]

RW 12 Input Window horizontal End Position 0x33C

R_IS_YS_M1

0x049[1:0],

0x047[7:0]

RW 10 Input Window vertical Start Position 0x015

R_IS_YW_M1

0x049[6:4],

0x048[7:0]

RW 11 Input Window vertical End Position 0x100

Input Image Window

Blank Range

(0,0)

R_IS_XS

R_IS_XW

R_IS_YS

R_IS_YW

HSYNC Input

VSYNC Input

Figure 6-10 Input Window Setup

6.19 Input Data Path Setup

BIT1612 可針對輸入的Data Bus分別做Invert、Rotate 和 Swap 的處理，其相關Registers設定請參考

Table 6-21，相對應之方塊圖請參考 Figure 6-11。

Table 6-21 Input Data Path Register

Mnemonic Address R/W Bits Description Default

R_POL_RIN 0x04A[0] RW 1 R Data input Polarity Î 0: Normal 1: Invert 0

R_POL_GIN 0x04A[1] RW 1 G Data input Polarity Î 0: Normal 1: Invert 0

R_POL_BIN 0x04A[2] RW 1 B Data input Polarity Î 0: Normal 1: Invert 0

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 114 115

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