參數(shù)資料
型號: MSM7662
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: NTSC/PAL Digital Video Decoder(NTSC/PAL制式數(shù)字視頻譯碼器)
中文描述: NTSC / PAL數(shù)字視頻解碼器(的NTSC / PAL制式數(shù)字視頻譯碼器)
文件頁數(shù): 28/48頁
文件大?。?/td> 369K
代理商: MSM7662
Semiconductor
MSM7662
28/47
I
2
C-bus Interface Input and Output Timing
Basic input and output timing of the I
2
C-bus interface is shown below.
1
2
7
8
9
ACK
1
t
C_SCL
2
3-8
9
ACK
S
Start Condition
P
Stop Condition
Data Line Stable: Data Valid Change of Data Allowed
SCL
SDA
MSB
I
2
C-bus Basic Input/Output Timing
I
2
C BUS FORMAT
The I
2
C-bus interface input format is shown below.
S
Slave Address
A
Subaddress
Data n
P
Description
Start condition
Slave address 1000001X, 8th bit is write signal ["0"] or read signal ["1"]
Acknowledge. Generated by slave
Subaddress byte
Data to write to address designated by subaddress.
Stop condition
Symbol
Slave Address
S
Subaddress
A
Data 0
A
A
......
Data n
A
P
As mentioned above, the write operation can be executed from subaddress to subaddress
continuously. When the write operation is executed at subaddresses discontinuously, the
Acknowledge and Stop condition formats are input repeatedly after Data 0.
If one of the following matters occurs, the decoder will not return "A" (Acknowledge).
The slave address does not match.
A non-existent subaddress is specified.
The write attribute of a register does not match "X" (read ["1"]/write ["0"] control bit).
The input timing is shown below.
S
Start Condition
P
SCL
SDA
2
1
8
ACK
Sub Address
2
1
8
ACK
Data
2
1
8
ACK
Stop Condition
Slave Address
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