參數(shù)資料
型號(hào): SAA7348GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: All Compact Disc Engine ACE
中文描述: 8-BIT, MROM, 35 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù): 31/60頁
文件大?。?/td> 205K
代理商: SAA7348GP
1997 Jul 11
31
Philips Semiconductors
Preliminary specification
All Compact Disc Engine (ACE)
SAA7348GP
8.1.9
M
OTOR
G
AIN
QCLV R
EGISTER
(address 0XFAH)
The motor_gain_QCLV register is used to set the gain of
the motor control signal. It can be used in quasi as well as
in CLV mode. Only the 6 least significant bits are used (see
Table 23 for values). The actual gain depends on the filter
in the config register (Cnf_filter). If the filtering is switched
on, the gain is reduced by a factor of 8. The register is byte
addressable; R/W.
Table 23
Loop gain
SFR SETTING
GAIN
FILTER ON
FILTER OFF
00000000
00111111
00111110
00111101
00111100
00111011
00111010
00111001
00111000
00110111
00110110
00110101
00110100
00110011
00110010
00110001
00110000
00101111
00101110
00101101
00101100
00101011
00101010
00101001
00101000
00100111
00100110
00100101
00100100
00100011
00100010
00100001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
0.125
0.25
0.375
0.5
0.625
0.75
0.875
1
1.125
1.25
1.375
1.5
1.625
1.75
1.875
2
2.125
2.25
2.375
2.5
2.625
2.75
2.875
3
3.125
3.25
3.375
3.5
3.625
3.75
3.875
4
00100000
00011111
00011110
00011101
00011100
00011011
00011010
00011001
00011000
00010111
00010110
00010101
00010100
00010011
00010010
00010001
00010000
00001111
00001110
00001101
00001100
00001011
00001010
00001001
00001000
00000111
00000110
00000101
00000100
00000011
00000010
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
4.125
4.25
4.375
4.5
4.625
4.75
4.875
5
5.125
5.25
5.375
5.5
5.625
5.75
5.875
6
6.125
6.25
6.375
6.5
6.625
6.75
6.875
7
7.125
7.25
7.375
7.5
7.625
7.75
7.875
SFR SETTING
GAIN
FILTER ON
FILTER OFF
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