|
|
PDF M61251AFP Data sheet ( Hoja de datos )
| Número de pieza | M61251AFP | |
| Descripción | Single-chip NTSC TV signal processor | |
| Fabricantes | Renesas Technology | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de M61251AFP (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
|
No Preview Available !
www.DataSheet4U.com
M61251AFP
Single-chip NTSC TV signal processor
REJ03F0078-0100Z
Rev.1.0
Sep.22.2003
Description
The M61251AFP is a single-chip TV-signal processor IC for the NTSC format and is ideal for use in combination with
a microcomputer. Processing circuits for all signals, including intermediate-frequency video and audio, video, color, the
on-screen display of characters, and the deflection system are all included, and various functions are controllable via an
I2C bus. Furthermore, a reset circuit, clock circuit, and regulator are included for use with microcomputers.
Features
• Handling of VIF does not require a VCO coil
• Adjustment-free audio demodulator
• PLL-SPLIT SIF system with FM radio function
• Supports component video-signal input
• Fsc output available
• ACL or ABCL is selectable
• Built-in horizontal oscillator
• Built-in sawtooth waveform generator for vertical sync
• Self-diagnostic function
• Built-in black-peak hold, AFC2, color killer filter
• Horizontal / vertical pulse output for OSD
• Built-in microcomputer reset circuit
• Built-in microcomputer clock output
• Built-in 5- and 8-V regulators
Rev.1.0, Sep.22.2003, page 1 of 15
1 page  
www.DataSMh6ee1t245U1.cAomFP
Electrical characteristics (cont)
Function
Video
Block
Video switch
Chroma trap
Video tone
Delay line
Black stretch
Y SW OUT
Video mute
Parameter
TV / EXT crosstalk
Center frequency
Suppression at subcarrier
frequency (fsc)
Suppression at fsc+/-100 kHz
Suppression at fsc+/-500 kHz
Trap fine adjustment
Delay time
Peak frequency for emphasis
Control range
Delay-time adjustment
Delay fine adjustment
Start Point
End Stop
Max. effect
Gain
Y SW LPF cut-off frequency
Mute suppression (Y)
Chroma
Chroma BPF
ACC
VCXO
Center frequency
2 - MHz suppression
ACC range
Overload
fo
fsc out 1 level - 1
fsc out 1 level - 2
APC
Pull - IN
Color killer
detector
Demodulator
Color killer level
Suppression
Tint control
Demodulation angle
Carrier leakage
Demodulation ratio
Specification (typ.)
–55dB
3.58 MHz
–30dB
–25dB
–10dB
125 ns
2.5 MHz
–2.5 to +10dB
125 / 250 / 400 / 550nsec
0 / 80nsec
60 I RE
8 IRE
6dB (25 IRE)
6dB
700 KHz
–45dB
3.58 MHz
–22 dB
+6 to –22 dB
chroma 169%
3.579545 MHz
1Vpp
OFF
+ / –600 Hz
–45dB
–40dB
+/- 45deg
103deg / 95deg
–40dB
(B - Y) : (R –Y) = 1:0.55
Pin no.
31
–
–
–
–
31
14. 15.
16
–
–
14, 15,
16
29
14, 15,
16
–
–
Condition
at 5 MHz
I2C: 2bits
I2C: 6 bits
I2C: 2 bits
I2C: 1 bit
I2C “Y SW LPF” : 1
Pin25 CLK CONT :
High
Pin25 CLK CONT :
Low
APC Filter
1µF+4.7K//0.015µF
I2 C 7bit
I2 C”C Angle 95”
Rev.1.0, Sep.22.2003, page 5 of 15
5 Page 
www.DataSMh6ee1t245U1.cAomFP
Write (Cont)
Function
R Brightness control
G Drive (red)
B Drive (blue)
Cut-off (red)
Cut-off (green)
Cut-off (blue)
Blue background
White background
ABCL
ABCL gain
On-screen display
level
Halftone SW
Analog on-screen
display
Bit Sub-
Data
address
Description
Initial Note
value
8 0AH
D0 to D7 Brightness level control
80H V Latch
7 0BH
D0 to D6 Red-output level control
40H
7 0CH
D0 to D6 Blue-output level control
40H
8 0CH
D0 to D7 Red-output DC-level control
80H
8 0EH
D0 to D7 Green-output DC-level control
80H
8 0FH
D0 to D7 Blue-output DC-level control
80H
1 08H
D7
Blue-background screen on / off. 1: off,
1: blue background
0
1 10H
D7
White background on / off, 1: off, 1:
white background
0
1 02H
D2
ABCL on/off. 0: off, 1: ABCL on
0
1 04H
D7
ABCL sensitivity low / high. 0: low, 1:
high
0
1 15H
D5
On-screen display level (70 / 90%). 0:
70%, 1: 90%
0
1 09H
D4
Halftone on / off. 0: off, 1: on
0
1 15H
D4
On-screen display digital / analog input. 0
0: digital, 1: analog
Rev.1.0, Sep.22.2003, page 11 of 15
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet M61251AFP.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| M61251AFP | Single-chip NTSC TV signal processor | Renesas Technology |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |