參數(shù)資料
型號: CY28447LFXC
廠商: Silicon Laboratories Inc
文件頁數(shù): 17/22頁
文件大?。?/td> 0K
描述: IC CLOCK CALISTOGA CK410M 72QFN
標準包裝: 240
類型: 時鐘/頻率發(fā)生器
PLL:
主要目的: Intel CPU 服務器
輸入: LVTTL,晶體
輸出: HCSL,LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 3:21
差分 - 輸入:輸出: 無/是
頻率 - 最大: 200MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 72-VFQFN 裸露焊盤
供應商設備封裝: 72-QFN(10x10)
包裝: 托盤
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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