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參數(shù)資料
| 型號： | CY28378OXC |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 18/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK CK408/TITAN 845 48SSOP |
| 標準包裝： | 30 |
| 類型： | 時鐘/頻率發(fā)生器 |
| PLL： | 是 |
| 主要目的： | Intel CPU 服務器 |
| 輸入： | 晶體 |
| 輸出： | HCSL，LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:21 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 203MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-BSSOP（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 48-SSOP |
| 包裝： | 管件 |
CY28378
........................ Document #: 38-07519 Rev. ** Page 6 of 21
Byte Configuration Map
Table 5. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Bit
Description
Bit
Description
1
Start
1
Start
2:8
Slave address – 7 bits
2:8
Slave address – 7 bits
9
Write = 0
9
Write = 0
10
Acknowledge from slave
10
Acknowledge from slave
11:18
Command Code – 8 bits
'1xxxxxxx' stands for byte operation, bits[6:0] of
the command code represents the offset of the
byte to be accessed
11:18
Command Code – 8 bits
'1xxxxxxx' stands for byte operation, bits[6:0] of
the command code represents the offset of the
byte to be accessed
19
Acknowledge from slave
19
Acknowledge from slave
20:27
Data byte from master – 8 bits
20
Repeat start
28
Acknowledge from slave
21:27
Slave address – 7 bits
29
Stop
28
Read = 1
29
Acknowledge from slave
30:37
Data byte from slave – 8 bits
38
Not Acknowledge
39
Stop
Byte 0
Bit
@Pup
Name
Description
Bit 7
0
Spread Select2
‘000’ = OFF
‘001’ = +0.12, – 0.62%
‘010’ = +0.25, – 0.75%
‘011’ = +0.50, – 1.00%
‘100’ = ± 0.25%
‘101’ = +0.00, – 0.50%
‘110’ = ±0.5%
‘111’ = ±0.38%
Bit 6
0
Spread Select1
Bit 5
0
Spread Select0
Bit 4
0
SEL4
SW Frequency selection bits. See Table 2.
Bit 3
0
SEL3
Bit 2
0
SEL2
Bit 1
0
SEL1
Bit 0
0
SEL0
Byte 1
Bit
@Pup
Name
Description
Bit 7
1
CPUT1, CPUC1
(Active/Inactive)
Bit 6
1
CPUT0, CPUC0
Bit 5
1
48MHz
(Active/Inactive)
Bit 4
1
24_48MHz
(Active/Inactive)
Bit 3
1
3V66_3
(Active/Inactive)
Bit 2
1
3V66_2
(Active/Inactive)
Bit 1
1
3V66_1
(Active/Inactive)
Bit 0
1
3V66_0
(Active/Inactive)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY28378OXCT | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Sys Clk Pentium 4 & Intel Brookdale 845 RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| CY28381 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:High-Performance SiS645DX/648DX/650/651 Intel Pentium 4 Clock Synthesizer |
| CY28381OC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY28381OCT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:High-Performance SiS645DX/648DX/650/651 Intel Pentium 4 Clock Synthesizer |
| CY28400 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Differential Buffer for PCI Express and SATA |
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