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SAA7114H 参数 Datasheet PDF下载

SAA7114H图片预览
型号: SAA7114H
PDF下载: 下载PDF文件 查看货源
内容描述: PAL / NTSC / SECAM视频解码器具有自适应PAL / NTSC梳状滤波器, VBI数据限幅器和高性能的定标器 [PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC combfilter, VBI-data slicer and high performance scaler]
分类和应用: 解码器转换器色度信号转换器消费电路商用集成电路
文件页数/大小: 140 页 / 549 K
品牌: NXP [ NXP ]
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Philips Semiconductors  
Preliminary specification  
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC  
comb filter, VBI-data slicer and high performance scaler  
SAA7114H  
Table 94 Power save control; global set 88H[7:4]  
CONTROL BITS D7 TO D4(1)  
POWER SAVE CONTROL  
DPROG = 0 after reset  
CH4EN  
CH2EN SWRST(2) DPROG  
X
X
X
X
X
X
0
1
DPROG = 1 can be used to assign that the device has been  
programmed; this bit can be monitored in the scalers status byte,  
bit PRDON; if DPROG was set to logic 1 and PRDON status bit  
shows a logic 0 a power- or start-up fail has occurred  
Scaler path is reset to it’s idle state, software reset  
Scaler is switched back to operation  
X
X
X
X
0
X
X
0
0
1
X
X
X
X
X
X
AD1x analog channel is in power-down mode  
AD1x analog channel is active  
X
X
X
X
1
AD2x analog channel is in power-down mode  
AD2x analog channel is active  
X
X
1
Notes  
1. X = don’t care.  
2. Bit SWRST is now located here.  
15.5.4 SUBADDRESS 8FH (READ-ONLY REGISTER)  
Table 95 Status information scaler part; 8FH[7:0]  
I2C-BUS  
BIT  
FUNCTION(1)  
STATUS BIT  
D7  
D6  
D5  
D4  
D3  
D2  
XTRI  
ITRI  
status on input pin XTRI, if not used for 3-state control, usable as hardware flag for software use  
status on input pin ITRI, if not used for 3-state control, usable as hardware flag for software use  
status of the internal ‘FIFO almost filled’ flag  
FFIL  
FFOV  
status of the internal ‘FIFO overflow’ flag  
PRDON  
ERR_OF  
copy of bit DPROG, can be used to detect power-up and start-up fails  
error flag of scalers output formatter, normally set, if the output processing needs to be  
interrupted, due to input/output data rate conflicts, e.g. if output data rate is much too low and all  
internal FIFO capacity used  
D1  
D0  
FIDSCI  
status of the field sequence ID at the scalers input  
FIDSCO  
status of the field sequence ID at the scalers output, scaler processing dependent  
Note  
1. Status information is unsynchronized and shows the actual status at the time of I2C-bus read.  
2000 Mar 15  
116  
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