CD2231 Intel Corporation, CD2231 Datasheet - Page 60

• Manufacturer Part Number: CD2231
• Description: CD2231 Intelligent Two-channel Lan And Wan Communications Controller
• Manufacturer: Intel Corporation

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