
BIT1612 10-Bit Digital Video Decoder with OSD and T-CON
55
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
M
U
X
MUX
R_FSEL
R_FSEL
R_AUFD
50/60Hz
0
1
01
HSYNC
VSYNC
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
0
R_FSEL 0x0F1[1] RW 1 Manual 50/60Hz Mode (R_AUFD=0) 0
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