參數(shù)資料
型號: TC94A04AFG
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP60
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-60
文件頁數(shù): 18/42頁
文件大?。?/td> 701K
代理商: TC94A04AFG
TC94A04AFG/AFDG
2005-09-28
25
Command-4Dh (0100 1101): DAC-CS (1F1Fh*)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
ATTC
4
ATTC
3
ATTC
2
ATTC
1
ATTC
0
ATTS
4
ATTS
3
ATTS
2
ATTS
1
ATTS
0
Bit
Name
Description
Value
Operation
D15
to
D13
Fixed to 0 (zero)
D12
to
D8
ATTC
[4:0]
DAC C-ch attenuator value
00h
to
1Fh*
Code
: 00h
01h
02h
18h
19h
1Fh
ATT (dB) : 0
1
2
24 ca.60
ca.
60
Initial value: 1Fh
D7
to
D5
Fixed to 0 (zero)
D4
to
D0
ATTS
[4:0]
DAC-Sch attenuator value
00h
to
1Fh*
Code
: 00h
01h
02h
18h
19h
1Fh
ATT (dB) : 0
1
2
24 ca.60
ca.
60
Initial value: 1Fh
Command-4Eh (0100 1110): DF-ATT (007Fh*)
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
ATL6
ATL5
ATL4
ATL3
ATL2
ATL1
ATL0
Bit
Name
Description
Value
Operation
D15
to
D7
Fixed to 0 (zero)
D6
to
D0
ATL
[6:0]
DF attenuator value
00h
to
7Fh*
Initial value: 7Fh (level
= ∞)
LEVEL
= 20 × log (ATL/128)
Code
ATL
Level
00h
7Fh
0.00dB
01h
7Eh
0.14dB
02h
7Dh
0.21dB
to
0Dh
72h
1.01dB
1Ah
65h
2.06dB
25h
5Ah
3.06dB
to
3Fh
40h
6.02dB
to
7Dh
02h
36.12dB
7Eh
01h
42.14dB
7Fh
00h
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