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參數(shù)資料
| 型號(hào)： | CY28349BOC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | FTG for Intel Pentium 4 CPU and Chipsets |
| 中文描述： | 200.4 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁(yè)數(shù)： | 6/22頁(yè) |
| 文件大?。?/td> | 174K |
| 代理商： | CY28349BOC |
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CY28349B
Document #: 38-07454 Rev. *A
Page 6 of 22
Data Byte Configuration Map
9
Write
Acknowledge from slave
Command Code
–
8 bits
‘
1xxxxxxx
’
stands for byte operation
bit[6:0] of the command code represents the offset
of the byte to be accessed
Acknowledge from slave
Data byte
–
8 bits
Acknowledge from slave
Stop
9
10
Write
Acknowledge from slave
Command Code
–
8 bits
‘
1xxxxxxx
’
stands for byte operation
bit[6:0] of the command code represents the offset
of the byte to be accessed
Acknowledge from slave
Repeat start
Slave address
–
7 bits
Read
Acknowledge from slave
Data byte from slave
–
8 bits
Not Acknowledge
Stop
10
11:18
11:18
19
19
20
20:27
28
29
21:27
28
29
30:37
38
39
Table 3. Byte Read and Byte Write Protocol
(continued)
Byte Write Protocol
Bit
Byte Read Protocol
Description
Bit
Description
Data Byte 0
Bit
Pin#
–
–
–
Name
Description
Power On
Default
0
0
0
Bit 7
Bit 6
Bit 5
Spread Select2
Spread Select1
Spread Select0
‘
000
’
= OFF
‘
001
’
= Reserved
‘
010
’
= Reserved
‘
011
’
= Reserved
‘
100
’
= ± 0.25%
‘
101
’
=
–
0.5%
‘
110
’
= ±0.5%
‘
111
’
= ±0.38%
SW Frequency selection bits. See
Table 4
.
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
–
–
–
–
–
SEL4
SEL3
SEL2
SEL1
SEL0
0
0
0
0
0
Data Byte 1
Bit
Pin#
38, 37
41, 40
22
23
27
28
30
31
Name
Description
Power On
Default
1
1
1
1
1
1
1
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CPU1, CPU1#
CPU0, CPU0#
48MHz
24_48MHz
3V66_3
3V66_2
3V66_1
3V66_0
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY28349BOCT | FTG for Intel Pentium 4 CPU and Chipsets |
| CY28378 | FTG for Pentium 4 and Intel 845 Series Chipset |
| CY28378OC | FTG for Pentium 4 and Intel 845 Series Chipset |
| CY28378OCT | FTG for Pentium 4 and Intel 845 Series Chipset |
| CY28400 | 100-MHz Differential Buffer for PCI Express and SATA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY28349BOCT | 制造商:Rochester Electronics LLC 功能描述:FTG FOR INTEL 830M AND 845 CHIPSETS (CK-408) - Bulk |
| CY28349BOXC | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets |
| CY28349BOXCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets |
| CY28349OC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY28349OCT | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:FTG for Intel㈢ Pentium㈢ 4 CPU and Chipsets |
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