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M61250BFP Schematic ( PDF Datasheet ) - Renesas

Teilenummer M61250BFP
Beschreibung NTSC 1 chip TV signal processor
Hersteller Renesas
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Gesamt 30 Seiten
M61250BFP Datasheet, Funktion
M61250BFP
NTSC 1 chip TV signal processor
REJ03F0088-0100Z
Rev.1.0
Sep.23.2003
Description
The M61250BFP is a single-chip semiconductor integrated circuit that contains the signal processing for NTSC color
television.
All of the signal processing circuits for video intermediate frequencies, vocal intermediate frequencies, video, color,
and polarization, as well as I2C bus control, are built in, and television sets ranging from popular-class to medium-grade
sets are supported. Moreover, the M37150 8-bit microcomputer for the television and the interconnection pin are
opposite each other, so that less space is required for mounting.
Features
No VCO coil for VIF required
Internal unregulated vocal demodulator
PLL-SPLIT SIF system for FM radio
Fsc output
ACL or ABCL can be selected
Internal horizontal oscillation probe
Internal perpendicular sawtooth wave generator
Internal self-diagnosis function
Internal black peak hold, AFC2, killer filter
H & V pulse output for OSD
Internal reset circuit and clock output for microcomputer use
Internal 5 V and 8 V regulators
Applications
NTSC color television receivers
Recommended Operating Conditions
Power supply voltage range:
4.75 V to 5.25 (Pins 3, 4, 39, 40)
7.6 V to 8.4 V (Pins 12, 44)
8.3 V to 9.1 V (Pin 42)
Recommended power supply voltage:
5.0 V (Pins 3, 4, 39, 40)
8.0 V (Pins 12, 44)
8.7 V (Pin 42)
Rev.1.0, Sep.23.2003, page 1 of 49






M61250BFP Datasheet, Funktion
M61250BFP
Pin Explanations (cont)
Pin No.
21
22
23
Name
B IN
G IN
R IN
Pin peripheral circuit
24 FAST BLK
25 CLK CONTROL
26 SDA
DC voltage (V)
(1) Digital OSD
VIL: 0.0 V
VIH: 3.0 V
(2) Analog OSD
0.7 Vp-p
0.0-0.5 V: INT RGB
1.5-3.0 V: H TONE
4.0-5.0 V: EXT RGB
VTH: 3.0 V
VIL: 0.75 V
VIH: 4.25 V
Rev.1.0, Sep.23.2003, page 6 of 49

6 Page









M61250BFP pdf, datenblatt
M61250BFP
Pin Explanations (cont)
Pin No.
55
Name
VIF VCO
FEEDBACK
Pin peripheral circuit
56 SIF GND
57 VIF GND
58 VIDEO OUT
59 RF AGC OUT
60 VIF APC
FILTER
DC voltage (V)
3.0 V
2.7 V
0.3 to 4.7 V
3.0 V
Rev.1.0, Sep.23.2003, page 12 of 49

12 Page





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