PNX3000 데이터 시트보기 (PDF) - Philips Electronics

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PNX3000

Analog front end for digital video processors

Philips Electronics 

Philips Semiconductors

Analog front end for digital video

processors

Preliminary specification

PNX3000

Table 57 Selection of LINE audio output

AMX

0

0

0

0

0

0

0

0

1

A0S2

0

0

0

0

1

1

1

1

0

A0S1

0

0

1

1

0

0

1

1

0

A0S0

0

1

0

1

0

1

0

1

0

SELECTED

SIGNAL

AMint

LR1

LR2

LR3

LR4

LR5

DSND1

DSND2

AMext

Table 58 Microphone input 2 gain

M2G

0 low

1 high

GAIN

Table 59 Microphone input 1 gain

M1G

0 low

1 high

GAIN

Table 60 Microphone amplifiers on/off

MICON

MODE

0 microphone amplifiers not active

1 normal operation

Table 61 Selection of SCART2 audio output

AMX

0

0

0

0

0

0

0

0

1

A2S2

0

0

0

0

1

1

1

1

0

A2S1

0

0

1

1

0

0

1

1

0

A2S0

0

1

0

1

0

1

0

1

0

SELECTED

SIGNAL

AMint

LR1

LR2

LR3

LR4

LR5

DSND1

DSND2

AMext.

Table 62 IRQ mask bits for status byte 0

IM6 TO IM0

IRQ OUTPUT(1)

0

IRQ output not activated

1

IRQ output is activated when the

corresponding status bit changes

value

Note

1. The IRQ output is always activated if status bit

POR = 1.

8.2 Output status registers

Table 63 Output status registers; subaddresses must not be sent, they are automatically incremented

FUNCTION

Status byte 0

Status byte 1

Reserved

Status byte 3

SUB

DATA BYTE

ADDR D7

D6

D5

D4

D3

D2

D1

00 POR MSUP ASUP ROK LOCK VID AFA

01

0

0

0

0

0 DCF 0

02

0

0

0

0

0

0

0

03 ID7 ID6 ID5 ID4 ID3 ID2 ID1

D0

AFB

AGC

0

ID0

2004 Oct 04

21

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