参数资料
型号: SCD223110QCD
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 2 CHANNEL(S), 256K bps, SERIAL COMM CONTROLLER, PQFP100
封装: METRIC, QFP-100
文件页数: 136/178页
文件大小: 2247K
代理商: SCD223110QCD
CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
60
Datasheet
1
0
External clock
1
Reserved
(RCOR)
1
Receive clock
(TCOR)
Table 5.
Bit Rate Constants, CLK = 20 MHz
Bit Rate
Divisor
Clock
Error
50
c2
Clk 4
0.16%
110
58
Clk 4
0.25%
150
40
Clk 4
0.16%
300
81
Clk 3
0.16%
600
40
Clk 3
0.16%
1200
81
Clk 2
0.16%
2400
40
Clk 2
0.16%
3600
ad
Clk 1
0.22%
4800
81
Clk 1
0.16%
7200
56
Clk 1
0.22%
9600
40
Clk 1
0.16%
19200
81
Clk 0
0.16%
38400
40
Clk 0
0.16%
56000
2c
Clk 0
0.80%
64000
26
Clk 0
0.16%
NOTE: All divisors are in hexadecimal.
Table 6.
Bit Rate Constants, CLK = 25 MHz (Sheet 1 of 2)
Bit Rate
Divisor
Clock
Error
50
f3
Clk 4
0.06%
110
6e
Clk 4
0.02%
150
50
Clk 4
0.47%
300
a2
Clk 3
0.15%
600
50
Clk 3
0.47%
1200
a2
Clk 2
0.15%
2400
50
Clk 2
0.47%
3600
d8
Clk 1
0.01%
4800
a2
Clk 1
0.15%
7200
6c
Clk 1
0.45%
9600
50
Clk 1
0.47%
Table 4.
Clock Source Select (Sheet 2 of 2)
ClkSel2
ClkSel1
ClkSel0
Select
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