參數(shù)資料
型號(hào): OX16C954-PCC60-B
廠商: Electronic Theatre Controls, Inc.
英文描述: High Performance Quad UART with 128-byte FIFOs Intel / Motorola Bus Interface
中文描述: UART的高性能四路128字節(jié)的FIFO英特爾/摩托羅拉總線接口
文件頁數(shù): 35/54頁
文件大小: 529K
代理商: OX16C954-PCC60-B
Data Sheet Revision 1.0
Page 35
OX16C954 rev B
OXFORD SEMICONDUCTOR LTD.
Clock
Frequency
(MHz)
1.8432
7.3728
14.7456
18.432
32.000
33.000
40.000
50.000
60.000
CPR value
Effective
crystal
frequency
1.8432
1.8432
1.8432
1.8432
1.8417
1.8462
1.8391
1.8433
1.8824
Error from
1.8432MHz
(%)
0.00
0.00
0.00
0.00
0.08
0.16
0.22
0.01
2.13
Max. Baud rate
with CPR = 1,
TCR = 16
115,200
460,800
921,600
1,152,000
2,000,000
2,062,500
2,500,000
3,125,000
3,750,000
Max. Baud rate
with CPR = 1,
TCR = 4
460,800
1,843,200
3,686,400
4,608,000
8,000,000
8,250,000
10,000,000
12,500,000
15,000,000
0x08 (1)
0x20 (4)
0x40 (8)
0x50 (10)
0x8B (17.375)
0x8F (17.875)
0xAE (21.75)
0xD9 (27.125)
0xFF (31.875)
Table 17: Example clock options and their associated maximum baud rates
System Clock (MHz)
18.432
1.152M
Sampling
Clock
TCR
Value
1.8432
7.372
14.7456
921,600
983,040 1,228,800 2,133,333 2,666,667 3,333,333
526,571 1,053,257 1,316,571 2,285,714 2,857,143 3,571,429 4,285,714
567,077 1,134,277 1,417,846 2,461,538 3,076,923 3,846,154 4,615,384
614,333 1,228,800 1,536,000 2,666,667 3,333,333 4,166,667
670,182 1,340,509 1,675,636 2,909,091 3,636,364 4,545,455 5,454545
737,200 1,474,560 1,843,200
3.20M
819,111 1,638,400 2,048,000 3,555,556 4,444,444 5,555,556 6,666,667
921,500 1,843,200 2,304,000
4.00M
0x07 263,314 1,053,143 2,106,514 2,633,143 4,571,429 5,714,286 7,142,857 8,571428
0x06 307,200 1,228,667 2,457,600 3,072,000 5,333,333 6,666,667 8,333,333
0x05 368,640 1,474,400 2,949,120 3,686,400
0x04 460,800 1,843,000 3,686,400 4,608,000
32
40
50
60
16
15
14
13
12
11
10
9
8
7
6
5
4
0x00 115,200
0x0F 122,880
0x0E 131,657
0x0D 141,785
0x0C 153,600
0x0B 167,564
0x0A 184,320
0x09 204,800
0x08 230,400
460,750
491,467
2.00M
2.50M
3.125M
3.75M
4.00M
5.00M
4.00M
5.00M
6.00M
5.00M
6.25M
7.50M
10.00M
12.00M
15.00M
6.40M
8.00M
8.00M
10.00M
10.00M
12.50M
Table 18: Maximum Baud Rates Available at all ‘TCR’ Sampling Clock Values
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