參數(shù)資料
型號(hào): AM79C32AJC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 數(shù)字傳輸電路
英文描述: Digital Subscriber Controller⑩ (DSC⑩) Circuit
中文描述: DATACOM, DIGITAL SLIC, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 28/101頁
文件大?。?/td> 1607K
代理商: AM79C32AJC
28
Am79C30A/32A Data Sheet
Programmable Gain Coefficients
The GER, GR, GX, and Sidetone gain coefficients are each 16 bits in length. Two consecutive register locations
correspond to one gain coefficient. The LSB is transferred first to (or from) the microprocessor. Sample coefficients
for the GER filter are listed in Table 24. The gain values are rounded off to the nearest 0.1 dB.
Table 24.
GER Gain Coefficients
Note:
The coefficient 0008 provides an attenuation of infinity when GER gain is enabled.
Gain (dB)
Hex Code
Gain (dB)
Hex Code
MSB
LSB
MSB
LSB
–10
AA
AA
4.0
31
DD
–9.5
9B
BB
4.5
44
1F
–9.0
79
AC
5.0
43
1F
–8.5
09
9A
5.5
33
1F
–8.0
41
99
6.0
40
DD
–7.5
31
99
6.5
11
DD
–7.0
9C
DE
7.0
44
0F
–6.5
9D
EF
7.5
41
1F
–6.0
74
9C
8.0
31
1F
–5.5
54
9D
8.5
55
20
–5.0
6A
AE
9.0
10
DD
–4.5
AB
CD
9.5
42
11
–4.0
AB
DF
10.0
41
0F
–3.5
74
29
10.5
11
1F
–3.0
64
AB
11.0
60
0B
–2.5
6A
FF
11.5
00
DD
–2.0
2A
BD
12.0
42
10
–1.5
BE
EF
12.5
40
0F
–1.0
5C
CE
13.0
11
0F
–0.5
75
CD
13.4
22
10
0.0
00
99
14.0
72
00
0.5
55
4C
14.5
42
00
1.0
43
DD
15.0
21
10
1.5
33
DD
15.5
10
0F
2.0
52
EF
15.9
22
00
2.5
77
1B
16.6
11
10
3.0
55
42
16.9
00
0B
3.5
41
DD
17.5
21
00
18.0
00
0F
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