PIN DESCRIPTION

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Name

Type

Description

1

YOUT

Analog Output This pin outputs the luma to allow the user to notch filter it. This pin may be

connected to the YIN input for minimum cost applications.

2

VIDEO IN

Analog Input

This is the CVBS input. An external capacitor is needed for clamp operation.

The STV5730 extracts the sync from this signal when the C7 control bit is set.

3

RES

Analog Pin

it must be tied to an external resistor to control the PLL f0 frequency.

4

FTR

Analog Pin

it must be tied to the line PLL loop filter.

Supply Pin

5V analog supply pin.

Supply Pin

5V digital supply pin.

7

CSYNC

Bidirectional

Pin

This pin inputs the mixed mode composite sync when the C7 control bit is

cleared. It outputs the video in extracted sync when the C7 control bit is set.

8

XTAL IN

Digital Input

This is the 4*fsc quartz input. The quartz may be started or stopped under

control of dedicated serial interface messages. Alternatively, a 4fsc clock can

be input directly. The stop message must not be used in this case.

9

XTAL OUT

Digital Output

This is the 4*fsc quartz output. The quartz may be started or stopped under

control of dedicated serial interface messages.

10

MUTE

Digital Output

This pin indicates if the CVBS input signal is present on VIDEO IN input pin.

It is forced low if the M2 mode bit is cleared.

11

DATA

Digital Input

This is the serial interface data input.

12

CLK

Digital Input

This is the serial interface clock input.

13

CSN

Digital Input

This is the serial interface chip select input.

14

R

Digital Output

This is the Red signal output. It is forced low during the horizontal and vertical

blanking intervals.

15

G

Digital Output

This is the Green signal output. It is forced low during the horizontal and

vertical blanking intervals.

16

B

Digital Output

This is the Blue signal output. It is forced low during the horizontal and vertical

blanking intervals.

17

FB

Digital Output

This is the fast blanking output. It is delivered to control an external R/G/B

switch for R/G/B or TV applications.

18

CO

Digital Output

This is the character activity output. It indicates if a character foreground is

being displayed, and can be used to control its intensity.

19

BAR

Digital Input

This input forces the PLL in free run mode when active. It is enabled if the M0

mode bit is set.

20

DGND

Supply Pin

0V digital ground.

21

AGND

Supply Pin

0V analog ground.

22

LECHAR

Analog Input

This pin determines the character intensity level in external bias mode (ie

when the C10 control bit is set). This level must be defined relative to the

internal black reference. A variable luminance signal may be entered. To be

grounded if not used.

23

LESCREEN

Analog Input

This pin determines the screen intensity level in external bias mode (ie when

the C10 control bit is set). This level must be defined relative to the internal

black reference. A variable luminance signal may be entered. To be grounded

if not used.

24

COUT

Analog Output This pin outputs the full page mode chroma for external filtering (and

attenuation if necessary). This pin may be connected to CIN for minimum cost

applications.

25

CIN

Analog Input

This pin inputs the filtered chroma.

26

VIDEO OUT2 Analog Output If the M7 mode bit is cleared : this pin is a CVBS output that delivers the

VIDEO IN signal. The sync is re-inserted if the M4 mode bit is set. The output

amplitude may be either 0dB or +6dB according to the M5 mode bit.

If the M7 mode bit is set : It outputs the currently active synchronism. The

signal amplitude is controlled by the M5 mode bit.

If the M8 mode bit is cleared : VIDEO OUT2 is in high impedance state.

27

VIDEO OUT1 Analog Output This is a CVBS output. It delivers the VIDEO IN + text in mixed mode and the

CVBS text in full page mode. The output signal amplitude may be either 0dB

or 6dB according to the M5 mode bit. The sync is re inserted if the M4 mode

bit is set.

28

YIN

Analog Input

This pin inputs the notch filtered luma.

STV5730

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