pc87307 National Semiconductor Corporation, pc87307 Datasheet - Page 161

• Manufacturer Part Number: pc87307
• Description: Plug And Play Compatible And Pc97 Compliant Superi/o
• Manufacturer: National Semiconductor Corporation

DFR Bits
4 3 2 1 0
0 0 0 1 0
0 0 0 1 1
0 0 1 0 0
0 0 1 0 1
0 0 1 1 0
0 0 1 1 1
0 1 0 0 0
0 1 0 0 1
0 1 0 1 0
0 1 0 1 1
0 1 1 0 0
0 1 1 0 1
0 1 1 1 0
1 0 0 1 0
1 0 0 1 1
1 0 1 0 1
1 0 1 1 1
1 1 0 1 0
1 1 0 1 1
1 1 1 0 1
TABLE 7-25. Consumer-IR, Low Speed Demodulator (RXHSC = 0) (Frequency Ranges in KHz)
min/max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
max
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
min
UART1 and UART2 (with IR) (Logical Devices 5 and 6)
26.66
29.47
28.57
31.57
29.28
32.37
30.07
33.24
31.74
35.08
32.60
36.00
33.57
37.10
34.61
38.26
35.71
39.47
36.85
40.73
38.10
42.10
39.40
43.55
40.81
45.11
42.32
46.78
43.95
48.58
45.71
50.52
47.62
52.63
49.66
54.90
51.90
57.36
54.38
60.10
0 0 1
DBW2-0 (Bits 7, 6 and 5 of IRRXDC)
25.45
27.27
33.33
27.95
34.16
28.68
35.05
30.30
37.03
31.13
38.05
32.04
39.16
33.04
40.38
34.09
41.66
35.18
43.00
36.36
44.44
37.59
45.94
38.95
47.61
40.40
49.37
41.95
51.27
43.63
53.33
45.45
55.55
47.40
57.94
49.54
60.55
51.90
63.44
0 1 0
31.11
161
24.34
32.94
26.08
35.29
26.73
36.17
27.43
28.98
39.21
29.78
40.29
30.65
41.47
31.60
42.76
32.60
33.65
45.52
34.78
47.05
36.00
48.64
37.26
50.41
38.64
52.28
40.13
54.29
41.74
56.47
43.47
58.82
45.34
61.35
47.39
49.65
67.17
0 1 1
37.11
44.11
64.11
23.33
35.00
25.00
37.50
25.62
38.43
26.29
39.43
27.77
41.66
28.54
42.81
29.37
44.06
30.29
45.43
31.25
46.87
32.25
48.37
33.33
50.00
34.45
51.68
35.70
53.56
37.03
55.55
38.45
57.68
40.00
60.00
41.66
62.50
43.45
65.18
45.41
68.12
47.58
71.37
1 0 0
22.40
37.33
24.00
40.00
24.60
41.00
25.24
42.06
26.66
44.44
27.40
45.66
28.20
47.00
29.08
48.46
30.00
50.00
30.96
51.60
32.00
53.33
33.08
55.13
34.28
57.13
35.55
59.25
36.92
61.53
38.40
64.00
40.00
66.66
41.72
69.53
43.60
72.66
45.68
76.13
1 0 1
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21.53
40.00
23.07
42.85
23.65
43.92
24.27
45.07
25.63
47.61
26.34
48.92
50.35
27.96
51.92
28.84
53.57
29.76
55.28
30.77
57.14
31.80
59.07
32.96
61.21
34.18
63.48
35.50
65.92
36.92
68.57
38.46
71.42
74.50
41.92
77.85
43.92
81.57
1 1 0
27.11
40.11