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參數(shù)資料
| 型號： | CY28405 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | CK409-Compliant Clock Synthesizer |
| 中文描述： | CK409兼容的時鐘合成器 |
| 文件頁數(shù)： | 8/19頁 |
| 文件大?。?/td> | 259K |
| 代理商： | CY28405 |
CY28405
Document #: 38-07512 Rev. *B
Page 8 of 19
Byte 8: Control Register 8
Bit
7
6
5
@Pup
0
1
1
Name
Description
CPU
PCIF
PCI
3V66
Spread Spectrum Selection
‘000’ = ±0.20% triangular
‘001’ = + 0.12, – 0.62%
‘010’ = + 0.25, – 0.75%
‘011’ = –0.05, – 0.45% triangular
‘100’ = ± 0.25%
‘101’ = + 0.00, – 0.50%
‘110’ = ± 0.5%
‘111’ = ± 0.38%
SW Frequency selection bits. See
Table 1
.
4
3
2
1
0
0
0
0
0
0
FSEL_4
FSEL_3
FSEL_2
FSEL_1
FSEL_0
Byte 9: Control Register 9
Bit
7
@Pup
0
Name
Description
PCIF
PCIF Clock Output Drive Strength Control
0 = Low Drive strength, 1 = High Drive strength
PCI Clock Output Drive Strength
0 = Low Drive strength, 1 = High Drive strength
3V66 Clock Output Drive Strength
0 = Low Drive strength, 1 = High Drive strength
REF Clock Output Drive Strength
0 = Low Drive strength, 1 = High Drive strength
Reserved
Reserved
Vendor Test Mode (always program to 0)
Vendor Test Mode (always program to 0)
6
0
PCI
5
0
3V66
4
1
REF
3
2
1
0
1
1
0
0
Reserved
Reserved
Reserved
Reserved
Byte 10: Control Register 10
Bit
7
6
@Pup
0
0
Name
Description
PCI_Skew1
PCI_Skew0
PCI skew control
00 = Normal
01 = –500 ps
10 = Reserved
11 = +500 ps
3V66 skew control
00 = Normal
01 = –150 ps
10 = +150 ps
11 = +300 ps
Reserved, Set = 1
Reserved, Set = 1
Reserved, Set = 1
Reserved, Set = 1
5
4
0
0
3V66_Skew1
3V66_Skew0
3
2
1
0
1
1
1
1
Reserved
Reserved
Reserved
Reserved
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28405OXCT | CK409-Compliant Clock Synthesizer |
| CY28405OC | CK409-Compliant Clock Synthesizer |
| CY28405OCT | Circular Connector; No. of Contacts:6; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:10; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:10-6 |
| CY28405OXC | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Crimp; Body Material:Aluminum; Series:PT06; No. of Contacts:3; Connector Shell Size:8; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight |
| CY28408 | Clock Synthesizer with Differential CPU Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28405-2 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs |
| CY28405-3 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs |
| CY28405OC | 制造商:Cypress Semiconductor 功能描述: |
| CY28405OC-2 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Clock Synthesizer with Differential SRC and CPU Outputs |
| CY28405OC-2T | 制造商:Rochester Electronics LLC 功能描述:FTG FOR INTEL 865 AND 875 CHIPSETS (CK409) - Bulk |
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