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參數資料
| 型號： | W48S101-04 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Spread Spectrum Motherboard Frequency Generator(寬頻譜主板頻率發生器) |
| 中文描述： | 擴頻主板頻率發生器（寬頻譜主板頻率發生器） |
| 文件頁數： | 7/12頁 |
| 文件大小： | 143K |
| 代理商： | W48S101-04 |
W48S101-04
PRELIMINARY
7
Note:
2.
CPU and PCI frequency selections are listed in
Table 1
and
Table 5
.
Table 5. Additional Frequency Selections through Serial Data Interface Data Bytes
Input Conditions
Data Byte 3, Bit 3 = 1
Bit 6
SEL_2
SEL_1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
Output Frequency
CPU, SDRAM
Clocks (MHz)
68.5
75
83.3
66.8
103
112
133.3
100
PCI Clocks
(MHz)
34.25
37.5
41.6
33.4
34.33
37.33
44.43
33.3
Spread Percentage
with Spread Spectrum
turned on
± 0.5% Center
± 0.5% Center
± 0.5% Center
± 0.5% Center
± 0.5% Center
± 0.5% Center
± 0.5% Center
± 0.5% Center
Bit 5
Bit 4
SEL_0
0
1
0
1
0
1
0
1
Table 6. Select Function for Data Byte 3, Bits 0:1
Function
Input Conditions
Data Byte 3
Bit 1
0
0
1
Output Conditions
CPU0:3
Note 2
X1/2
Note 2,
55%±0.5
Hi-Z
PCI_F, PCI1:7
Note 2
CPU/2, 3, or 4
Note 2,
55%±0.5
Hi-Z
REF0:2,
IOAPIC0:1
14.318 MHz
X1
14.318 MHz
48MHZ
48 MHz
X1/2
48 MHz
24MHZ
24 MHz
X1/4
24 MHz
Bit 0
0
1
0
Normal Operation
Test Mode
Spread Spectrum On
Three-state
1
1
Hi-Z
Hi-Z
Hi-Z
相關PDF資料 |
PDF描述 |
|---|---|
| W48S101 | Spread Spectrum Motherboard Frequency Generator |
| W48S111-14 | Spread Spectrum Desktop/Notebook System Frequency Generator(寬頻譜桌上型/筆記本系統頻率發生器) |
| W48S111 | Spread Spectrum Desktop/Notebook System Frequency Generator |
| W48S87-04 | Spread Spectrum 3 DIMM Desktop Clock(寬頻譜3 DIMM桌上型PC機時鐘) |
| W48S87-72H | CPU System Clock Generator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W48S111 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Spread Spectrum Desktop/Notebook System Frequency Generator |
| W48S111-14 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Spread Spectrum Desktop/Notebook System Frequency Generator |
| W48S87 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Desktop/Notebook Frequency Generator |
| W48S87-04 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Spread Spectrum 3 DIMM Desktop Clock |
| W48S87-72 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Desktop/Notebook Frequency Generator |
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