參數(shù)資料
型號: MSM9225GA-2K
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44
封裝: 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 74/74頁
文件大?。?/td> 487K
代理商: MSM9225GA-2K
Semiconductor
MSM9225
9/73
2. Identifier 0 (X1hex)
This register sets the data length code and a part of the identifier.
Set this register for each message.
The bit configuration is as follows:
(1) Format setting: IDFM
The microcontroller sets the message format.
At reset, the IDFM bit is undefined.
IDFM
Operation
0
Standard format (ID = 11 bits)
Extended format (ID = 29 bits)
I
(2) Data length code: DLC3 to DLC0
This is control field data to set the number of bytes of a data field. 0 to 8 can be set.
At reset, these bits are undefined.
(3) Identifier: IDB28 to IDB26
These bits set the identifier field.
For standard format (IDFM = 0), the higher 3 bits of the 11 bits are set.
For extended format (IDFM = 1), the higher 3 bits (ID28 to ID26) of the 29 bits (ID28 to
ID0) are set.
At reset, these bits are undefined.
76543210
Address MSB
1h
LSB
IDB26 :
IDB27 :
IDB28 :
DLC0 :
DLC1 :
DLC2 :
DLC3 :
IDFM : Format setting
Identifier
Data length code
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