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参数资料
| 型号： | IMISG570CYB |
| 厂商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 12/14页 |
| 文件大小： | 176K |
| 代理商： | IMISG570CYB |
SG570
I
2C Frequency Clock Generator w/ EMI Reduction Spread Spectrum Technology
for Pentium Processor Based Designs.
Preliminary
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.1
3/23/98
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 7 of 14
SERIAL CONTROL REGISTERS(Continued)
Byte 6: Reserved Register
Bit
@Pup
Pin#
Description
7x
-
Reserved
6x
-
Reserved
5x
-
Reserved
4x
-
Reserved
3x
-
Reserved
2x
-
Reserved
1x
-
Reserved
0x
-
Reserved
Byte 7: Frequency Control
At power up, bit2 of this Byte defaults to “1”, the frequency is controlled by the SEL pin 18. If bit2 is forced
to a zero “0”, then the CPU/SDRAM clock frequencies become 33 MHz and the PCI clock frequencies will
be 16.6MHz. The IC is set to doze mode.
Bit
@Pup
Description
7
x
Reserved
6
x
Reserved
5
x
Reserved
4
x
Reserved
3
x
Reserved
2
1
Doze (see description above)
1
x
Reserved
0
x
Reserved
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相关代理商/技术参数 |
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| IMISG571DTB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
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| IMISG577CYB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
| IMISG745BYB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:CPU System Clock Generator |
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