參數(shù)資料
型號： CY28370
英文描述： Clocks and Buffers
中文描述： 時鐘和緩沖器
文件頁數(shù)： 4/17頁
文件大小： 240K
代理商： CY28370
CY28312B-2
Document #: 38-07596 Rev. **
Page 4 of 17
...
...
...
...
Data Byte N/Slave Acknowledge...
Data Byte N – 8 bits
Acknowledge from slave
Stop
39:46
47
48:55
56
...
...
...
...
Data byte from slave – 8 bits
Acknowledge
Data byte from slave – 8 bits
Acknowledge
Data bytes from slave/Acknowledge
Data byte N from slave – 8 bits
Not Acknowledge
Stop
Table 2. Word Read and Word Write Protocol
Word Write Protocol
Word Read Protocol
Bit
1
2:8
9
10
11:18
Description
Bit
1
2:8
9
10
11:18
Description
Start
Slave address – 7 bits
Write
Acknowledge from slave
Command Code – 8 bits
‘1xxxxxxx’ stands for byte or word operation
bit[6:0] of the command code represents the offset
of the byte to be accessed
Acknowledge from slave
Data byte low – 8 bits
Acknowledge from slave
Data byte high –- 8 bits
Acknowledge from slave
Stop
Start
Slave address – 7 bits
Write
Acknowledge from slave
Command Code – 8 bits
‘1xxxxxxx’ stands for byte or word 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 low from slave – 8 bits
Acknowledge
Data byte high from slave – 8 bits
NOT acknowledge
Stop
19
19
20
20:27
28
29:36
37
38
21:27
28
29
30:37
38
39:46
47
48
Table 3. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Bit
1
2:8
9
10
11:18
Description
Bit
1
2:8
9
10
11:18
Description
Start
Slave address – 7 bits
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
Start
Slave address – 7 bits
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
19
19
20
20:27
28
29
21:27
28
Table 1. Block Read and Block Write Protocol
(continued)
Block Write Protocol
Block Read Protocol
Bit
Description
Bit
Description
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