參數(shù)資料
型號(hào)： ML9620GAZ210
廠商： OKI ELECTRIC INDUSTRY CO LTD
元件分類(lèi)： 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(yè)數(shù)： 33/79頁(yè)
文件大?。?/td> 449K
代理商： ML9620GAZ210
ML9620 User’s Manual
Chapter 2
Register Descriptions
2 – 22
2.4.4 CAN Interrupt Pending n registers (CANIPENDn : n=1,2,3,4)
7
6
5
4
3
2
1
0
CANIPEND1
IntPnd [8:1]
CANIPEND2
IntPnd [16:9]
CANIPEND3
IntPnd [24:17]
CANIPEND4
IntPnd [32:25]
reset value
0
Address
: CAN Base + 0xA0, 0xA1, 0xA2, 0xA3
Access
: R
Access Size : 8 bits
Bit Descriptions
IntPnd [32:1]
Interrupt Pending Bits
These registers hold the IntPnd bits of the 32 Message Objects.
By reading out the IntPnd bits,
the MCU can check for which Message Object an interrupt is pending.
The IntPnd bit of a
specific Message Object can be set/reset by the MCU via the IFm Message Interface Registers or by
the Message Handler after reception or after a successful transmission of a frame.
This will also
affect the value of IntId in the Interrupt Register.
0
This message object is not the source of an interrupt.
1
This message object is the source of an interrupt.
2.4.5 CAN Message Valid n registers (CANMVALn : n=1,2,3,4)
7
6
5
4
3
2
1
0
CANMVAL1
MsgVal [8:1]
CANMVAL2
MsgVal [16:9]
CANMVAL3
MsgVal [24:17]
CANMVAL4
MsgVal [32:25]
reset value
0
Address
: CAN Base + 0xB0, 0xB1, 0xB2, 0xB3
Access
: R
Access Size : 8 bits
Bit Descriptions
MsgVal [32:1] Message Valid Bits
These registers hold the MsgVal bits of the 32 Message Objects.
By reading out the MsgVal bits,
the MCU can check which Message Object is valid.
The MsgVal bit of a specific Message Object
can be set/reset by the MCU via the IFm Message Interface Registers.
0
This Message Object is ignored by the Message Handler.
1
This Message Object is configured and should be considered by the Message
Handler.
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