Altera cyclone V Technical Reference page 3442

25-230
IF2MCTR
Bit
14
MsgLst
13
IntPnd
12
UMask
11
TxIE
Altera Corporation
Name
Message Lost
Value
0x0
0x1
Interrupt Pending
Value
0x0
0x1
Use Acceptance Mask
Value
0x0
0x1
Transmit Interrupt Enable
Value
0x0
0x1
Description
Description
No message lost since last time this bit was
reset by the CPU.
The Message Handler stored a new message
into this object when NewDat was still set,
the CPU has lost a message.
Description
This message object is not the source of an
interrupt.
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.
Description
Acceptance formula1: (RTRRx == ~DIR) &&
(IDERx == IDE) && (IDRx == ID)
(Msk28-0, MXtd, and MDir) for acceptance
filtering, formula: ((RTRRx & MDIR) ==
(~DIR & MDIR)) && ((IDERx & MXtd) ==
(IDE & MXtd)) && ((IDRx & Msk) == (ID &
Msk)) Note: If the UMask bit is set to one, the
Message Object's mask bits have to be
programmed during initialization of the
Message Object before MsgVal is set to one.
Description
IntPnd will be left unchanged after the
successful transmission of a frame.
IntPnd will be set after a successful transmis‐
sion of a frame.
cv_5v4
2016.10.28
Access Reset
RW 0x0
RW 0x0
RW 0x0
RW 0x0
CAN Controller
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