参数资料
型号: TB1274BFG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: 10 X 14 MM, 0.80 MM PITCH, QFP-48
文件页数: 8/37页
文件大小: 839K
代理商: TB1274BFG
TB1274BFG
2005-08-18
16
FUNCTION DESCRIPTION
VIDEO SELECT,
AUTO-SW
1) “AUTO-SW” = (1) Manual select
When “AUTO-SW” is (1) Manual select, input signal is selected by the BUS as Fig. 1 and Table 1.
Mainly, CVBS-OUT(pin 3) is used for the comb filter input, and Yvi-OUT(pin 11) is used for
synchronization(pin 2). Besides, on chroma line from video SW to main route, the peak detection is done
during the burst period. The result is responded to the Read BUS data, C ID.
CVBS1/Y1-IN
Main Y (to Y section)
Main C (to C section)
CVBS2/Y2-IN
CVBS3/Y3-IN
A
B
MIX
C1-IN
C2-IN
C3-IN
6dB
0dB
(from Comb filter) COMB Y-IN
(from Comb filter) COMB C-IN
CVBS-OUT (to Comb filter)
Yvi-OUT (to SYNC-IN)
Chroma ID
VIDEO-SW SECTION
SW1
SW3
SW2
SW4
SW5
SW6
Y
C
A
B
C
A
B
C
A
B
A
B
A
Fig. 1 Signal route at Video SW section
Table 1 Selected input and pin 3/11 output from Video SW section
SW mode
To Y/C section
Output from V-SW
BUS
DATA
1
2
3
4
5
6
Main Y
Main C
CVBS-out
Yvi-out
0000
A
CVBS1
0001
B
A
CVBS2
0010
C
A
CVBS3
0100
A
B
A
Y1
C1
Y1+C1
Y1
0101
B
A
Y2
C2
Y2+C2
Y2
0110
C
B
A
Y3
C3
Y3+C3
Y3
1000
A
B
COMB Y
COMB C
CVBS1
COMB Y
1001
B
A
B
COMB Y
COMB C
CVBS2
COMB Y
1010
C
A
B
COMB Y
COMB C
CVBS3
COMB Y
others
Don’t use.
相关PDF资料
PDF描述
TB1305FG SYNC SEPARATOR IC, PQFP48
TB1308FG SYNC SEPARATOR IC, PQFP48
TB1308FG SYNC SEPARATOR IC, PQFP48
TB1305FG SYNC SEPARATOR IC, PQFP48
TB1311AFG SYNC SEPARATOR IC, PQFP80
相关代理商/技术参数
参数描述
TB12A 制造商:Lenline 功能描述:
TB12A6C 制造商:STMicroelectronics 功能描述:TB12A6C - Rail/Tube
TB12C6CM 制造商:STMicroelectronics 功能描述:TB12C6CM - Rail/Tube
TB13 制造商:Curtis Industries 功能描述:
TB-13.000MBD-T 功能描述:标准时钟振荡器 13.00MHz 3.3V 25ppm -40C to 85C RoHS:否 制造商:AVX 产品:Standard Clock Oscillators 封装 / 箱体:7 mm x 5 mm 频率:75 MHz 频率稳定性:50 PPM 电源电压:2.5 V 负载电容: 端接类型:SMD/SMT 最小工作温度:0 C 最大工作温度:+ 70 C 输出格式:LVDS 尺寸: 封装:Reel 系列: