CXA1929M 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA1929M

TV RF MODULATOR/PLL

Sony Semiconductor 

CXA1929M

Software Application Notes

The minimum requirement to drive the CXA3050 and I2C bus drive is a 386/486 with 4 M bytes hard disk

space, 16 MHz clock speed and running DOS5.00 or above. Insert the disc into the drive and type TESTS and

at the prompt type iic. At this there should appear a single list of user friendly functional tests that can be

changed by keyboard manipulation. As an aid the test list is written below. Note Page up increments the

status, page down decrements the status.

Function

RF Output Power

Delta Sound

Fsound

Frequency mode

Mod depth

FM deviation

P/S Ratio

Over Mod

TPSG

OSC on.

Normal Status

1/0

1

0

2 to 8191

4

4

4

1/0

1/0

Comments

Turns RF Amp on/off

Fine tune audio carrier

Course adjust for

4.5 MHz (0)

5.5 MHz (1)

6.0 MHz (2)

6.5 MHz (3)

Check listing on page 10 for

frequency to hex conversation

Ranges mod depth from

72 % to (4)

Sensitivity adjustable

Programmable in 8 steps of 1 dB

Increase Video modulation ratio

Sets internal test pattern

generator ON/OFF

1/0

Turns oscillator ON/OFF

Attenuator Driver

1/0

Output logic ON/OFF

—5—

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