ox16c954 ETC-unknow, ox16c954 Datasheet - Page 35
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ox16c954
Manufacturer Part Number
ox16c954
Description
High Performance Quad Uart With 128-byte Fifos Intel / Motorola Bus Interface
Manufacturer
ETC-unknow
Datasheet
1.OX16C954.pdf
(54 pages)
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Quantity
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Part Number:
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Manufacturer:
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Quantity:
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Data Sheet Revision 1.0
OXFORD SEMICONDUCTOR LTD.
Sampling
Clock
Frequency
16
15
14
13
12
11
10
9
8
7
6
5
4
14.7456
1.8432
7.3728
18.432
32.000
33.000
40.000
50.000
60.000
Clock
(MHz)
Value
0x0E
0x0D
0x0C
0x0B
0x0A
0x00
0x0F
0x09
0x08
0x07
0x06
0x05
0x04
TCR
Table 18: Maximum Baud Rates Available at all ‘TCR’ Sampling Clock Values
Table 17: Example clock options and their associated maximum baud rates
0xAE (21.75)
0xD9 (27.125)
0x8B (17.375)
0x8F (17.875)
0xFF (31.875)
115,200
122,880
131,657
141,785
153,600
167,564
184,320
204,800
230,400
263,314 1,053,143 2,106,514 2,633,143 4,571,429 5,714,286 7,142,857 8,571428
307,200 1,228,667 2,457,600 3,072,000 5,333,333 6,666,667 8,333,333
368,640 1,474,400 2,949,120 3,686,400
460,800 1,843,000 3,686,400 4,608,000
CPR value
0x50 (10)
1.8432
0x08 (1)
0x20 (4)
0x40 (8)
460,750
491,467
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
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
7.372
frequency
Effective
crystal
1.8432
1.8432
1.8432
1.8432
1.8417
1.8462
1.8391
1.8433
1.8824
921,600
983,040 1,228,800 2,133,333 2,666,667 3,333,333
14.7456
1.8432MHz
Error from
System Clock (MHz)
0.00
0.00
0.00
0.00
0.08
0.16
0.22
0.01
2.13
(%)
1.152M
18.432
Max. Baud rate
with CPR = 1,
2.00M
3.20M
4.00M
6.40M
8.00M
1,152,000
2,000,000
2,062,500
2,500,000
3,125,000
3,750,000
TCR = 16
115,200
460,800
921,600
32
10.00M
2.50M
4.00M
5.00M
8.00M
40
Max. Baud rate
with CPR = 1,
3.125M
10.00M
12.50M
5.00M
6.25M
10,000,000
12,500,000
15,000,000
1,843,200
3,686,400
4,608,000
8,000,000
8,250,000
TCR = 4
460,800
50
OX16C954 rev B
10.00M
12.00M
15.00M
3.75M
4.00M
5.00M
6.00M
7.50M
60
Page 35