参数资料
型号: 94228BFLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 233.33 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封装: 0.300 INCH, LEAD FREE, MO-118, SSOP-48
文件页数: 16/19页
文件大小: 189K
代理商: 94228BFLF
6
ICS94228
0447E—05/07/04
Byte0: Functionality and Frequency Select Register (default = 0)
Serial Configuration Command Bitmap
Bit5
Bit4
Bit3 Bit2 Bit1 Bit0
SSB1 SSB0 FS3 FS2 FS1 FS0
0
0000
233.33
77.78
38.88
+/- 0.25% Center Spread
0
0001
220.00
73.33
36.67
+/- 0.25% Center Spread
0
0010
210.00
70.00
35.00
+/- 0.25% Center Spread
0
0011
200.00
66.67
33.33
+/- 0.25% Center Spread
0
0100
190.00
76.00
38.00
+/- 0.25% Center Spread
0
0101
180.00
72.00
36.00
+/- 0.25% Center Spread
0
0110
170.00
68.00
34.00
+/- 0.25% Center Spread
0
0111
150.00
75.00
37.50
+/- 0.25% Center Spread
0
1000
140.00
70.00
35.00
+/- 0.25% Center Spread
0
1001
120.00
60.00
30.00
+/- 0.25% Center Spread
0
1010
110.00
66.00
33.00
+/- 0.25% Center Spread
0
1011
66.67
33.33
+/- 0.25% Center Spread
0
1100
200.00
66.67
33.33
+/- 0.25% Center Spread
0
1101
166.67
66.67
33.33
+/- 0.25% Center Spread
0
1110
100.00
66.67
33.33
+/- 0.25% Center Spread
0
1111
133.33
66.67
33.33
+/- 0.25% Center Spread
0
1
0000
200.00
66.67
33.33
0 to -0.5% Down Spread
0
1
0001
166.67
66.67
33.33
0 to -0.5% Down Spread
0
1
0010
100.00
66.67
33.33
0 to -0.5% Down Spread
0
1
0011
133.33
66.67
33.33
0 to -0.5% Down Spread
1
0
0100
200.00
66.67
33.33
+/- 0.50% Center Spread
1
0
0101
166.67
66.67
33.33
+/- 0.50% Center Spread
1
0
0110
100.00
66.67
33.33
+/- 0.50% Center Spread
1
0
0111
133.33
66.67
33.33
+/- 0.50% Center Spread
1
1000
200.00
66.67
33.33
+/- 0.75% Center Spread
1
1001
166.67
66.67
33.33
+/- 0.75% Center Spread
1
1010
100.00
66.67
33.33
+/- 0.75% Center Spread
1
1011
133.33
66.67
33.33
+/- 0.75% Center Spread
1
0
1100
200.00
66.67
33.33
0 to +0.5% Up Spread
1
0
1101
166.67
66.67
33.33
0 to +0.5% Up Spread
1
0
1110
100.00
66.67
33.33
0 to +0.5% Up Spread
1
0
1111
133.33
66.67
33.33
0 to +0.5% Up Spread
Bit 6: 0 = Hardware select; 1 = I
2C select. Default is OFF.
Bit 7: 0 = Spread off; 1 = Spread spectrum enable. Default is OFF
CPUCLK AGPCLK
PCICLK
Spread Percentage
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