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PDF LC749870W Data sheet ( Hoja de datos )
| Número de pieza | LC749870W | |
| Descripción | NTSC/PAL/SECAM Digital Video Decoder | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LC749870W (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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www.DataSheet.co.kr
Ordering number : ENA1957
LC749870W
CMOS IC
Silicon gate
NTSC/PAL/SECAM Digital
Video Decoder
Overview
The LC749870W is a digital video decoder that converts NTSC, PAL and SECAM video signals into digital
component video signals. Digital video data can be output easily by inputting NTSC, PAL and SECAM video signals.
The output data format is compatible with ITU-R BT.656.
Features
• Supports NTSC (M, 4.43), PAL (B, D, G, H, I, M, N, 60), and SECAM video signal inputs.
• On-chip video switch that supports 4 video inputs
• 10-bit ADC (sampling at 27MHz)
• Automatic gain control (AGC) function
• Digital clamp circuit
• Digital automatic color control (ACC) circuit
• Sync separation circuit
• Signal-to-noise (S/N) detection capabilities
• Non-standard signal detection function
• No signal detection function
• Adaptive two-dimensional Y/C separation circuit
• NTSC/PAL/SECAM demodulator circuit
• Clock rate conversion circuit
• Picture quality improvement (sharpness, contrast, brightness, CTI, UV gain, HUE)
• 8-bit ITU-R BT.656 output format
ITU-R BT.656 (8bit YCbCr 4:2:2 with SAV/EAV)
8bit YCbCr 4:2:2 with Syncs
• I2C control (100k/400kbps, 2 types of slave address selectable)
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
62911HKPC 20110419-S00002 No.A1957-1/45
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Continued from preceding page.
Pin No. Pin symbol
I/O Type
I/O Type
51 XVSS
52 DVSS
53 FIELD
P
P
I/O G
54 DVDD11
P
55 GPIO2
I/O G
56 DE
I/O G
57 HS
I/O G
58 CK13
OF
59 VS
I/O G
60 GPIO1
I/O G
61 DVSS
62 GPIO3
P
I/O G
63 DVDD11
64 DVDD33
P
P
LC749870W
Connected to
GND
GND
CMOS
Core voltage
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
GND
CMOS
Core voltage
I/O voltage
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Digital
Notes
Field signal
For test
Data enable signal
Horizontal sync signal
Clock output (13.5MHz)
Vertical sync signal
For test
For test
No.A1957-5/45
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Continued from preceding page.
Sub-
address
Bit
Name
7
6
5
4
06H
3
2
1
0
-
7
6
5
4
07H
3
2
1
0
1 I2C_IOSEL2
08H
0 I2C_IOSEL1
09H
to -
0FH
-
7 I2C_SRST
10H
0
-
7:6
11H
1:0
-
-
12H 0 I2C_CKINV
6:4
13H
2:0
-
-
14H 7:0
15H 7:0
16H 7:0
-
-
-
LC749870W
Bit-
Size
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Function Name
Functions
For test
Clock output
current drive capability
Signal output
current drive capability
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
For test
Normally set to 0H
Clock output current drive capability switching
0: 4mA 1: 8mA
Signal output current drive capability switching
0: 2mA 1: 4mA
- --
Software reset of digital video signal processing block
1 Soft reset
0: Reset ON 1: Reset OFF
For test
1 For test
Normally set to 0H
For test
2 For test
Normally set to 0H
For test
2 For test
Normally set to 0H
Clock output
Clock output (CKO) invert control
1
invert
0: Normal 1: Invert
For test
3
Normally set to 0H
For test
3
Normally set to 0H
For test
8 For test
Normally set to 0H
For test
8
Normally set to 0H
For test
8
Normally set to 0H
Initial
value
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
0H
-
0H
0H
0H
0H
0H
0H
0H
00H
00H
00H
No.A1957-11/45
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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