STV2118B datasheet(8/25 Pages) STMICROELECTRONICS

8 / 25 page

2C BUS SPECIFICATION (continued)

Input Signals (Write Mode) (continued)

OTHERS

Address

Dec (HEX)

Description

Data

(Bits)

Comments

15 (0F)

Volume

XX00 0000 = 0.5V

XX11 1111 = 5V

16 (10)

Mute

XXXX XXXS

0 = Mute not active

1 = Mute active

16 (10)

IF Standard / AV Switch

XXXX XSSX

00 = INT/FM (negative)

01 = INT/AM (positive)

10 = EXT/AM (positive)

11 = EXT/FM (negative)

16 (10)

Not Used

XXXX SXXX

S = 0 default value

16 (10)

Cut-off Pulse Position

XXXS XXXX

0 = lines 23/24/25 in50Hz, lines 18/19/20 in

60Hz

1 = lines 23/24/25 both in 50Hz and 60Hz

17 (11)

Only for Test

XXSS SSSS

00 0000 = Test mode not active

Output Signals (Read Mode)

READ REGISTER

Description

Data (Bits)

Comments

Field Frequency

XXXX XXXS

1 = 50Hz

0 = 60Hz

Video Identification

XXXX XXSX

1 = No Identification

0 = Video Identification

SVHS Status

XXXX XSXX

1 = No SVHS

0 = SVHS

Standard Status

XXSS SXXX

111 = PAL/XTAL1 (4.43MHz)

110 = NTSC/XTAL1

101 = SECAM/XTAL1

011 = PAL/XTAL2 (3.58MHz)

010 = NTSC/XTAL2

X00 = Color off

Circuit Identification

SSXX XXXX

11 = STV2118B/2116/2112

10 = STV2116A

01 = STV2112A

00 = STV2216

STV2118B

8/25

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