參數(shù)資料
型號: LM4550VHX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 X 1.40 MM, LQFP-48
文件頁數(shù): 8/30頁
文件大小: 611K
代理商: LM4550VHX/NOPB
LM4550
Register
Map
REG
Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
00h
Reset
X
00011010
1
010000
0D50h
OutputVolume
02h
Master
Volume
Mute
X
ML4
ML3
ML2
ML1
ML0
X
MR4
MR3
MR2
MR1
MR0
8000h
04h
Headphone
Volume
Mute
X
ML4
ML3
ML2
ML1
ML0
X
MR4
MR3
MR2
MR1
MR0
8000h
06h
Mono
Volume
Mute
XXXXXXXX
X
M
4
M
3
M
2
M
1
M
0
8000h
InputVolume
0Ah
PC_Beep
Volume
Mute
XXXXXXXX
X
P
V
3
P
V
2
P
V
1
P
V
0
X
0000h
0Ch
Phone
Volume
Mute
XXXXXXXX
X
G
N
4
G
N
3
G
N
2
G
N
1
G
N
0
8008h
0Eh
Mic
Volume
Mute
XXXXXXXX
20dB
X
GN4
GN3
GN2
GN1
GN0
8008h
10h
Line
In
Volume
Mute
X
GL4
GL3
GL2
GL1
GL0
X
GR4
GR3
GR2
GR1
GR0
8808h
12h
CD
Volume
Mute
X
GL4
GL3
GL2
GL1
GL0
X
GR4
GR3
GR2
GR1
GR0
8808h
14h
Video
Volume
Mute
X
GL4
GL3
GL2
GL1
GL0
X
GR4
GR3
GR2
GR1
GR0
8808h
16h
Aux
Volume
Mute
X
GL4
GL3
GL2
GL1
GL0
X
GR4
GR3
GR2
GR1
GR0
8808h
18h
PCM
Out
Volume
Mute
X
GL4
GL3
GL2
GL1
GL0
X
GR4
GR3
GR2
GR1
GR0
8808h
ADCSources
1Ah
Record
Select
XXXXX
S
L
2
S
L
1
S
L
0
X
XXX
S
R
2
S
R
1
S
R
0
0000h
1Ch
Record
Gain
Mute
X
GL3
GL2
GL1
GL0
X
GR3
GR2
GR1
GR0
8000h
20h
General
Purpose
POP
X
3
D
X
MIX
MS
LPBK
X
XXXXXX
0000h
22h
3D
Control
(Read
Only)
X
00000010
0
000001
0101h
X
24h
Reserved
XXXXXXXXX
X
XXXXXX
0000h
26h
Powerdown
Ctrl/Stat
EAPD
PR6
PR5
PR4
PR3
PR2
PR1
PR0
X
REF
ANL
DAC
ADC
000Xh
28h
Extended
Audio
ID
ID1
ID0
XXXX
AMAP
0
X
0
X
0
VRA
X201h
2Ah
Extended
Audio
Control/Status
XXXXXXXXX
X
XXXXX
V
R
A
0000h
2Ch
PCM
DAC
Rate
SR15
SR14
SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
BB80h
32h
PCM
ADC
Rate
SR15
SR14
SR13
SR12
SR11
SR10
SR9
SR8
SR7
SR6
SR5
SR4
SR3
SR2
SR1
SR0
BB80h
X
5Ah
Vendor
Reserved
1
XXXXXXXXX
X
XXXXXX
0000h
74h
Chain-In
Control
XXXXXXXXX
X
XXXX
ID
1
ID
0
000Xh
X
7Ah
Vendor
Reserved
2
XXXXXXXXX
X
XXXXXX
0000h
7Ch
Vendor
ID1
010011100
1
010011
4E53h
7Eh
Vendor
ID2
010000110
1
010000
4350h
LM4550
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