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PDF M61280M8-XXXFP Data sheet ( Hoja de datos )
| Número de pieza | M61280M8-XXXFP | |
| Descripción | NTSC TV Signal Processor | |
| Fabricantes | Hitachi | |
| Logotipo |  |
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M61280M8-xxxFP
NTSC TV Signal Processor with MCU
Features
• 3 line composite video signal inputs and 1 line S video signal input are available
• Built-in 3 input audio switch with ATT output
• Correspond to digital OSD
• H output of emitter follower type (L at stopping, same as M61250BFP)
• Selectable of ACL/ABCL
• Built-in H OSC resonator
• Built-in vertical saw tooth generator
• Correspond to fsc clock output
• Built-in 5V & 8V regulator
• Built-in MCU reset circuit
• Built-in 8bit MCU
• ROM: 32kByte, RAM: 1152byte
Applications
• NTSC color television receivers
Pin Configuration
REJ03F0053-0100Z
Rev.1.0
Sep.23.2003
Rev.1.0, Sep.23.2003, page 1 of 53
Package: 80P6U
1 page  
M61280M8-xxxFP
I2C Bus Table
1. Slave Address = BAH (WRITE), BBH (READ)
A6 A5 A4 A3 A2 A1 A0 R/W
1 0 1 1 1 0 1 1/0
2. Write Table (input bytes)
3. Read Table (output byts)
D7
KILLERB
D6
2WIN WIDEB
D5
VFREEB
D4
VCONIB
D3
0
D2
0
D1
HCOINB
D0
1
Rev.1.0, Sep.23.2003, page 5 of 53
5 Page 
M61280M8-xxxFP
Setup Instructions for Evaluation PCB
1. Horizontal Blanking Pulse Adjustment
The horizontal blanking pulse timing and pulse width are adjusted using the variable resistances of a one-shot
multivibrator, as shown below.
The timing is adjusted to 8 µs using the pin 15 variable resistance of the M74LS221P TTL IC. Also, the pulse width is
adjusted to 12 µs using the pin 7 variable resistance.
2. H VCO Adjustment
Prior to measurement of the M61280Mx-xxxFP, the following method is used for H VCO adjustment.
1. The H VCO control I2C bus data (1 CH D0-D2) is adjusted, and the pin 46 (H OUT) frequency is set to approx.
15.734 kHz.
Rev.1.0, Sep.23.2003, page 11 of 53
11 Page | ||
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