CD2231

Manufacturer Part NumberCD2231
DescriptionCD2231 Intelligent Two-channel Lan And Wan Communications Controller
ManufacturerIntel Corporation
CD2231 datasheet
 
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CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
Table 4.
Clock Source Select (Sheet 2 of 2)
ClkSel2
ClkSel1
1
1
1
1
1
1
Table 5.
Bit Rate Constants, CLK = 20 MHz
Bit Rate
50
110
150
300
600
1200
2400
3600
4800
7200
9600
19200
38400
56000
64000
NOTE: All divisors are in hexadecimal.
Table 6.
Bit Rate Constants, CLK = 25 MHz (Sheet 1 of 2)
Bit Rate
50
110
150
300
600
1200
2400
3600
4800
7200
9600
60
ClkSel0
Select
0
External clock
1
Reserved
1
Receive clock
Divisor
Clock
c2
Clk 4
58
Clk 4
40
Clk 4
81
Clk 3
40
Clk 3
81
Clk 2
40
Clk 2
ad
Clk 1
81
Clk 1
56
Clk 1
40
Clk 1
81
Clk 0
40
Clk 0
2c
Clk 0
26
Clk 0
Divisor
Clock
f3
Clk 4
6e
Clk 4
50
Clk 4
a2
Clk 3
50
Clk 3
a2
Clk 2
50
Clk 2
d8
Clk 1
a2
Clk 1
6c
Clk 1
50
Clk 1
(RCOR)
(TCOR)
Error
0.16%
0.25%
0.16%
0.16%
0.16%
0.16%
0.16%
0.22%
0.16%
0.22%
0.16%
0.16%
0.16%
0.80%
0.16%
Error
0.06%
0.02%
0.47%
0.15%
0.47%
0.15%
0.47%
0.01%
0.15%
0.45%
0.47%
Datasheet