TVP6000C datasheet(38/57 Pages) TI

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2–26

The RCV2 symbols and signal descriptions are listed in Table 2–16.

Table 2–16. RCV2 Symbols and Signal Descriptions

SYMBOL

SIGNAL DESCRIPTION

HSO

Horizontal synchronization output. As an output, RCV2 is asserted between BRCV and ERCV in every line

including VBI.

HSI

As an input, RCV2 is used for horizontal synchronization. Retriggers the horizontal counter.

CBNO

As an output, RCV2 is asserted between BRCV and ERCV from line FAL to LAL excluding VBI.

CBNI

As an input, RCV2 is used for composite blanking.

NLO

Output only, RCV2 generates a 4 LLC clock wide new line indicator at the beginning of a line to indicate to

the external logic to advance to the next line.

2.11.21 RCM_L21

Subadress: 6D Deault: 0x00

CRCM2

CBLFM2

ORCM2

PRCM2

RCM1A

RCM1B

L21ENA

L21ENB

Where:

CRCM2

CREF modulation enable

CREF modulation is disabled

CREF modulation is enabled

When RCM2 is programmed as an active video output (ORCM2 = 1), CREF

modulation is enabled (CRCM2 = 1), and a 16-bit video input port is used, RCM2

is modulated by the internal CREF signal. The modulation is performed

before polarity control.

CBLFM2

See Table 2–18 for programming information.

ORCM2

I/O setting of RCM2

RCM2 is set as an input pin (default).

RCM2 is set as an output pin.

PRCM2

Polarity setting of RCM2

RCM2 polarity is active high (default).

RCM2 polarity is active low.

RCM1A

Determines which signal is output to pin RCM1. Refer to Table 2–17.

RCM1B

Determines which signal is output to pin RCM1. Refer to Table 2–17.

L21ENA

This bit controls the extended service closed caption encoding. See Table 2–19 for

progamming information.

L21ENB

This

bit

controls

the

closed

caption

encoding.

See

Table

2–19

for

progamming information.

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