參數(shù)資料
型號: ML9620GAZ210
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44
封裝: 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 30/79頁
文件大?。?/td> 449K
代理商: ML9620GAZ210
ML9620 User’s Manual
Chapter 2
Register Descriptions
2 – 19
TxIE
Transmit Interrupt Enable
0
IntPnd will be left unchanged after a successful transmission of a frame.
1
IntPnd will be set after a successful transmission of a frame.
An interrupt will
be generated while the IE bit is ‘1’.
IntPnd
Interrupt Pending
0
This message object is not the source of an interrupt.
1
This message object is the source of an interrupt.
The Interrupt Identifier in the
Interrupt Register will point to this message object if there is no other interrupt
source with higher priority.
RmtEn
Remote Enable
0
At the reception of a Remote Frame, TxRqst is left unchanged.
1
At the reception of a Remote Frame, TxRqst is set.
TxRqst
Transmit Request
0
This Message Object is not waiting for transmission.
1
The transmission of this Message Object is requested and is not yet done.
DLC
Data Length Code
0-8
Data Frame has 0-8 data bytes.
9-15
Data Frame has 8 data bytes.
Note
The Data Length Code of a Message Object must be defined the same as in all the corresponding objects with
the same identifier at other nodes.
When the Message Handler stores a data frame, it will write the DLC to
the value given by the received message.
Data 0
1st data byte of a CAN Data Frame
Data 1
2nd data byte of a CAN Data Frame
Data 2
3rd data byte of a CAN Data Frame
Data 3
4th data byte of a CAN Data Frame
Data 4
5th data byte of a CAN Data Frame
Data 5
6th data byte of a CAN Data Frame
Data 6
7th data byte of a CAN Data Frame
Data 7
8th data byte of a CAN Data Frame
Note
Byte Data 0 is the first data byte shifted into the shift register of the CAN Control during a reception, byte Data
7 is the last.
When the Message Handler stores a Data Frame, it will write all the eight data bytes into a
Message Object.
If the Data Length Code is less than 8, the remaining bytes of the Message Object will be
overwritten by non specified values.
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