參數(shù)資料
型號: PNX3000N3
廠商: NXP Semiconductors N.V.
英文描述: Analog front end for digital video processors
中文描述: 模擬前端數(shù)字視頻處理器
文件頁數(shù): 21/51頁
文件大?。?/td> 285K
代理商: PNX3000N3
2004 Oct 04
21
Philips Semiconductors
Preliminary specification
Analog front end for digital video
processors
PNX3000
Table 57
Selection of LINE audio output
Table 58
Microphone input 2 gain
Table 59
Microphone input 1 gain
Table 60
Microphone amplifiers on/off
Table 61
Selection of SCART2 audio output
Table 62
IRQ mask bits for status byte 0
Note
1.
The IRQ output is always activated if status bit
POR = 1.
AMX
A0S2
A0S1
A0S0
SELECTED
SIGNAL
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
AMint
LR1
LR2
LR3
LR4
LR5
DSND1
DSND2
AMext
M2G
GAIN
0
1
low
high
M1G
GAIN
0
1
low
high
MICON
MODE
0
1
microphone amplifiers not active
normal operation
AMX
A2S2
A2S1
A2S0
SELECTED
SIGNAL
0
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
AMint
LR1
LR2
LR3
LR4
LR5
DSND1
DSND2
AMext.
IM6 TO IM0
IRQ OUTPUT
(1)
0
1
IRQ output not activated
IRQ output is activated when the
corresponding status bit changes
value
8.2
Output status registers
Table 63
Output status registers; subaddresses must not be sent, they are automatically incremented
FUNCTION
SUB
ADDR
DATA BYTE
D7
D6
D5
D4
D3
D2
D1
D0
Status byte 0
Status byte 1
Reserved
Status byte 3
00
01
02
03
POR
0
0
ID7
MSUP
0
0
ID6
ASUP
0
0
ID5
ROK
0
0
ID4
LOCK
0
0
ID3
VID
DCF
0
ID2
AFA
0
0
ID1
AFB
AGC
0
ID0
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