PRE-LINE-IN (IF Input Selection and Audio Matrix Gain Control)

Address

: 07

Type

: R/W

Reset

: 0000 1000

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

IF SWITCH

AGC SWITCH OFF

0

0

LINE INPUTS GAIN

IF SWITCH

: IF Input Switch

controls the IF input selection (0 = IF1).

AGC SWITCH OFF

: can be used to switch-off the AGC amplifier..

LINE INPUTS GAIN : allow the levels of the analog line inputs (SCART1, SCART2 and MONO) to be

adjusted simultaneously.

1000

0010

1110

0dB

-6dB

+6dB

(default setting)

(step size = 1dB, range =

±6dB)

AUD-MX-CNT (Audio Matrix Control)

Address

: 08

Type

: R/W

Reset

: 0010 0010

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

MOUT1

S1 O/P SELECT

MOUT0

S2 O/P SELECT

These 8 bits are used to control the audio matrix configuration (see Figure 1).

Data bits

Actual Function Selected

7

654

321

0

Reset : AO1 and AO2 = DAC and MOUT = (L1+R1)/2

X

XXXX

0

0

0

AO2 = Muted

X

XXXX

0

0

1

AO2 = Muted

X

XXXX

0

1

0

AO2 = AO1 (reset state)

X

XXXX

0

1

1

AO2 = LI1 (Scart 1 input)

X

XXXX

1

0

0

AO2 = Muted

X

XXXX

1

0

1

AO2 = Muted

X

XXXX

1

1

0

AO2 = Muted

X

XXXX

1

1

1

AO2 = Muted

X

0

0

0

X

X

X

X

AO1 = Muted

X

0

0

1

X

X

X

X

AO1 = MIN

X

0

1

0

X

X

X

X

AO1 = DAC (reset state)

X

0

1

1

X

X

X

X

AO1 = Muted

X

1

0

0

X

X

X

X

AO1 = LI2 (Scart 2 input)

X

1

0

1

X

X

X

X

AO1 = Muted

X

1

1

0

X

X

X

X

AO1 = Muted

X

1

1

1

X

X

X

X

AO1 = Muted

0

X

X

X

0

X

X

X

MOUT = (L1+R1)/2 (reset state)

0

XXX

1

XXX

MOUT = R1

1

XXX

0

XXX

MOUT = L1

1

X

X

X

1

X

X

X

Not used

PROGRAMMING THE DEVICE (continued)

STV8203

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