M52340SP datasheet(28/44 Pages) MITSUBISHI

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PAL/NTSC SYSTEM SHINGLE-CHIP COLOR TV SIGNAL PROCESSOR

M52340SP

MITSUBISHI ICs (TV)

INPUT SIGNAL PARAMETERS INCLUDING INPUT SIGNALS

1. Input signal name is four alphanumeric characters.

Ex.)

S S 4 P

Standard Signal 4.43MHz PAL system

Fourth character

Third character

Second character

First character

First character:

Standard=S, Nonstandard=V (Modified parts should be specified.)

Second character:

Meaning of signal

Third character:

Frequency of burst and chroma

4(4.433619MHz), 3(3.579545MHz) (In case of "S", SECAM standard signal is applied.)

Fourth character:

Color system

N(NTSC), P(PAL)

2. Structure of input color signal

The following figure shows the structure of color signal.

eb(n)

ec(n)

eb(n+1)

ec(n+1)

H.sync

500mVP-P

1. When S (standard) is used as the first character, the standard color bar signal of each system is

applied. H.sync should be added for input clamp. (The frequency of H.sync is fixed according to the

fourth character. P:50Hz, N:60Hz)

2. Amplitude and frequency of burst are represented as eb. In case of standard signal, the amplitude is

285mVP-P and the frequency is shown by the third character.

3. Amplitude and frequency of chroma are represented as ec. In case of standard signal, the amplitude

is 570mVP-P and the frequency is shown by the third character.

4. The following figure shows the phase of a PAL system signal.

ec(n)

ec(n+1)

eb(n+1)

eb(n)

R-Y

B-Y

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