cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 394

• Manufacturer Part Number: cs5535
• Description: Geode Cs5535 Companion Multi-function South Bridge
• Manufacturer: National Semiconductor Corporation

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UART/IR Controller Register Descriptions
DFR[4:0]
DFR[4:0]
00011
01000
01011
DFR[4:0]
xxxxx
00011
00100
00101
00110
00111
01000
01001
01011
01100
01101
01111
10000
10010
10011
10101
10111
11010
11011
11101
Table 5-47. Consumer IR High Speed Demodulator (RXHSC = 1) (Frequency Ranges in kHz)
Table 5-46. CEIR, Low Speed Demodulator (RXHSC = 0) (Frequency Ranges in kHz)
381.0
436.4
457.7
480.0
Min
Min
28.6
29.3
30.1
31.7
32.6
33.6
34.6
35.7
36.9
38.1
39.4
40.8
42.3
44.0
45.7
47.6
49.7
51.9
54.4
Min
001
001
001
421.1
480.0
505.3
533.3
Max
Max
Table 5-48. Sharp-IR Demodulator (Frequency Ranges in kHz)
Max
31.6
32.4
33.2
35.1
36.0
37.1
38.3
39.5
40.7
42.1
43.6
45.1
46.8
48.6
50.5
52.6
54.9
57.4
60.1
363.6
417.4
436.4
457.1
Min
Min
27.3
28.0
28.7
30.3
31.1
32.0
33.0
34.1
35.2
36.4
37.6
39.0
40.4
42.0
43.6
45.5
47.4
49.5
51.9
Min
010
010
010
444.4
505.3
533.3
564.7
Max
Max
Max
33.3
34.2
35.1
37.0
38.1
39.2
40.4
41.7
43.0
44.4
45.9
47.6
49.4
51.3
53.3
55.6
57.9
60.6
63.4
DBW[2:0] Bits (Bits [7:5] of IRRXDC)
DBW[2:0] Bits (Bits [7:5] of IRRXDC)
347.8
400.0
417.4
436.4
Min
Min
DBW[2:0] Bits (Bits [7:5] of IRRXDC)
26.1
26.7
27.4
29.0
29.8
30.7
31.6
32.6
33.7
34.8
36.0
37.3
38.6
40.1
41.7
43.5
45.3
47.4
49.7
Min
011
011
011
470.6
533.3
564.7
600.0
394
Max
Max
(Continued)
Max
35.3
36.2
37.1
39.2
40.3
41.5
42.8
44.1
45.5
47.1
48.6
50.4
52.3
54.3
56.5
58.8
61.4
64.1
67.2
333.3
384.0
400.0
417.4
Min
Min
25.0
25.6
26.3
27.8
28.5
29.4
30.3
31.3
32.3
33.3
34.5
35.7
37.0
38.5
40.0
41.7
43.5
45.4
47.6
Min
100
100
100
500.0
564.7
600.0
640.0
Max
Max
Max
37.5
38.4
39.4
41.7
42.8
44.1
45.4
46.9
48.4
50.0
51.7
53.6
55.6
57.7
60.0
62.5
65.2
68.1
71.4
320.0
369.2
384.0
400.0
Min
Min
24.0
24.6
25.2
26.7
27.4
28.2
29.1
30.0
31.0
32.0
33.1
34.3
35.6
36.9
38.4
40.0
41.7
43.6
45.7
Min
101
101
101
533.3
600.0
640.0
685.6
Max
Max
Max
40.0
41.0
42.1
44.4
45.7
47.0
48.5
50.0
51.6
53.3
55.1
57.1
59.3
61.5
64.0
66.7
69.5
72.7
76.1
307.7
355.6
369.9
384.0
Min
Min
23.1
23.7
24.3
25.6
26.3
27.1
28.0
28.8
29.8
30.8
31.8
33.0
34.2
35.5
36.9
38.5
40.1
41.9
43.9
Min
110
110
110
Revision 0.8
571.4
640.0
685.6
738.5
Max
Max
Max
42.9
43.9
45.1
47.6
48.9
50.4
51.9
53.6
55.3
57.1
59.1
61.2
63.5
65.9
68.6
71.4
74.5
77.9
81.6