Zoom V3 1612 Manual de usuario descargar pdf (Pagina 65)

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

Y/C Mode:

Y Signal Input from AIN2

C Signal Input from AIN11

1 1 0 1 0

Y/C Mode:

Y Signal Input from AIN2

C Signal Input from AIN12

1 1 1 1 0

YPbPr Mode:

Y Signal Input from AIN2

Pb Signal Input from AIN11

Pr Signal Input from AIN12

1 1 0/1 1 1

6.28.13 Standard Setting and Detection

BIT1612 可以針對PAL、PAL60、PAL-N、SECAM、PAL-M、NTSC-443-50、NTSC-M、NTSC-443-60

和Black & White等Color Standard信號進行解碼，並提供自動、半自動和手動三種模式，以便使用者依據

其實際環境進行設定。相關架構示意圖請參考下圖，相關Registers設定請參考

Table 6-54。

Synchronize Process

50/60 Detection

Fast 50/60

Detection

MUX

R_FSEL

R_AUFD

50/60Hz

HSYNC

VSYNC

Figure 6-34 Field Type Selection

Figure 6-35 Color Standard Selection

Table 6-54 Standard Setting and Detection Register

Mnemonic Address R/W Bits Description Default

Auto 50/60Hz Detection

0: Manual 50/60Hz (Defined on 0x0F1[1])

R_AUFD 0x0F1[0] RW 1

1: Auto 50/60Hz Detection

R_FSEL 0x0F1[1] RW 1 Manual 50/60Hz Mode (R_AUFD=0) 0

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 114 115

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Zoom V3 1612 Manual de usuario Pagina 65