cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 382

• 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
5.12.4.2
These registers share the same address and are the same as the registers at I/O Offset 03h in Bank 0.
Link Control Register (LCR)
I/O Offset
Type
Reset Value
See Section 5.12.3.4 "Link Control/Bank Select Registers" on page 373 for bit descriptions.
Bank Selection Encoding Register (BSR)
I/O Offset
Type
Reset Value
See Section 5.12.3.4 "Link Control/Bank Select Registers" on page 373 for bit descriptions.
Prescaler Value
1500000
115200
230400
460800
750000
921600
14400
19200
28800
38400
57600
Baud
134.5
1200
1800
2000
2400
3600
4800
7200
9600
110
150
300
600
50
75
Link Control/Bank Select Register (LCR/BSR)
03h
RW
00h
03h
R/W
00h
Divisor
2304
1536
1047
857
768
384
192
96
64
58
48
32
24
16
12
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---
---
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8
6
4
3
2
1
Table 5-38. Baud Generator Divisor Settings
13
% Error
0.16%
0.16%
0.19%
0.10%
0.16%
0.16%
0.16%
0.16%
0.16%
0.53%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
---
---
---
---
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382
(Continued)
Divisor
18461
12307
8391
6863
6153
3076
1538
769
512
461
384
256
192
128
96
64
48
32
24
16
---
---
8
4
2
1
1.625
% Error
0.00%
0.01%
0.01%
0.00%
0.01%
0.03%
0.03%
0.03%
0.16%
0.12%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
---
---
Divisor
30000
20000
13636
11150
10000
5000
2500
1250
833
750
625
416
312
208
156
104
78
52
39
26
13
---
---
---
2
1
1
% Error
0.00%
0.00%
0.00%
0.02%
0.00%
0.00%
0.00%
0.00%
0.04%
0.00%
0.00%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.16%
0.00%
0.00%
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---
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Revision 0.8