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| 型号： | CY28447LFXCT |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 17/22页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK CALISTOGA CK410M 72QFN |
| 标准包装： | 2,000 |
| 类型： | 时钟/频率发生器 |
| PLL： | 是 |
| 主要目的： | Intel CPU 服务器 |
| 输入： | LVTTL，晶体 |
| 输出： | HCSL，LVCMOS |
| 电路数： | 1 |
| 比率 - 输入:输出： | 3:21 |
| 差分 - 输入:输出： | 无/是 |
| 频率 - 最大： | 200MHz |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 72-VFQFN 裸露焊盘 |
| 供应商设备封装： | 72-QFN（10x10） |
| 包装： | 带卷 (TR) |
CY28447
........................ Document #: 38-07724 Rev *C Page 4 of 22
Table 3. Block Read and Block Write Protocol
Block Write Protocol
Block Read Protocol
Bit
Description
Bit
Description
1Start
1
Start
8:2
Slave address – 7 bits
8:2
Slave address – 7 bits
9
Write
9
Write
10
Acknowledge from slave
10
Acknowledge from slave
18:11
Command Code – 8 bits
18:11
Command Code – 8 bits
19
Acknowledge from slave
19
Acknowledge from slave
27:20
Byte Count – 8 bits
(Skip this step if I2C_EN bit set)
20
Repeat start
28
Acknowledge from slave
27:21
Slave address – 7 bits
36:29
Data byte 1 – 8 bits
28
Read = 1
37
Acknowledge from slave
29
Acknowledge from slave
45:38
Data byte 2 – 8 bits
37:30
Byte Count from slave – 8 bits
46
Acknowledge from slave
38
Acknowledge
....
Data Byte/Slave Acknowledges
46:39
Data byte 1 from slave – 8 bits
....
Data Byte N – 8 bits
47
Acknowledge
....
Acknowledge from slave
55:48
Data byte 2 from slave – 8 bits
....
Stop
56
Acknowledge
....
Data bytes from slave / Acknowledge
....
Data Byte N from slave – 8 bits
....
NOT Acknowledge
....
Stop
Table 4. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Bit
Description
Bit
Description
1Start
8:2
Slave address – 7 bits
8:2
Slave address – 7 bits
9Write
10
Acknowledge from slave
10
Acknowledge from slave
18:11
Command Code – 8 bits
18:11
Command Code – 8 bits
19
Acknowledge from slave
19
Acknowledge from slave
27:20
Data byte – 8 bits
20
Repeated start
28
Acknowledge from slave
27:21
Slave address – 7 bits
29
Stop
28
Read
29
Acknowledge from slave
37:30
Data from slave – 8 bits
38
NOT Acknowledge
39
Stop
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY28506OC | 制造商:Rochester Electronics LLC 功能描述:FTG FOR MOTHERBOARDS - Bulk |
| CY28506OCT | 制造商:Rochester Electronics LLC 功能描述:CLOC - Tape and Reel |
| CY28507ZC-3 | 功能描述:时钟缓冲器 PacketClockClk RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| CY28508OCT | 制造商:Cypress Semiconductor 功能描述: |
| CY28508OXC | 功能描述:时钟发生器及支持产品 Power PC RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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