M52393FP データシートの表示（PDF） - Mitsumi

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M52393FP

EDTV2 IDENTIFICATION SIGNAL DETECTOR

Mitsumi 

MODE TABLE

Mode

COMP. 1 OFF

COMP. 2 OFF

COMP. 3 OFF

Line correlation SW

(Shown in Fig.1)

ON

OFF

Frame/Field SW

(Shown in Fig.2)

Frame

Field

TRICK MODE

MITSUBISHI ICs (AV COMMON)

M52393P/FP

EDTV2 IDENTIFICATION SIGNAL DETECTOR

Conditions

2

0 to 0.3V

4

0 to 0.3V

6

0 to 0.3V

7

0 to 0.5V

7

2 to 3V

(2.5V at open)

10

0 to 0.5V

10

2 to 3V

(2.5V at open)

14

39µH

47pF

500Ω

ON

Functions

Detector off at Bit 1 to 5, 24

Detector off at Bit 25 to 27

2.04MHz detector off at Bit 25 to 27

In a case an EDTV2 identification signal (or an equivarent

one) is detected a couple of times during three lines of 21

to 23 (line 284 to 286), the output will be Lo (a standard

signal).

On the other hand, the output will be Hi (an EDTV2 sig-

nal) through the ID signal is detected a couple of times

during the three lines.

The detection is performed once a field. The choice

between Odd or Even is difficult. (effective data : 8 fields/

8 frames)

The detection is performed in both fields. (effective data :

8 fields/4 frames )

The output state before the TRICK mode setting is kept

regardless of an input signal.

FUNCATIONAL DESCRIPTION

Input signal

7fsc

Bit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Video in pin15

Bit

Name

H.SYNC

1⋅2

Reference

22H/285H

3

Letter box

4

Parity

NRZ form

5

SQZ

4/7fsc

286mVP-P

(80/140IRE)

24

25⋅26⋅27

0

Sine wave for confirming

fsc in pin11

fsc, 0.3VP-P ±6dB, Sine wave (ansynchronous signals are permitted)

5

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