Fujitsu FR81S User Manual
CHAPTER 41: CAN
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: CAN
FUJITSU SEMICONDUCTOR CONFIDENTIAL
56
4.5.4. CAN Message Valid Registers : MSGVAL1 to
MSGVAL4
The bit configuration of the CAN message valid registers is shown.
Displays the MsgVal bit of all message objects. It is possible to check which message object is valid by
reading the MsgVal bit.
CAN Message Valid Register 4 (upper byte): Address Base + B4
H
(Access:
Byte, Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
MsgVal64 to MsgVal57
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
CAN Message Valid Register 4 (lower byte): Address Base + B5
H
(Access:
Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
MsgVal56 to MsgVal49
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
CAN Message Valid Register 3 (upper byte): Address Base + B6
H
(Access:
Byte, Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
MsgVal48 to MsgVal41
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
CAN Message Valid Register 3 (lower byte): Address Base + B7
H
(Access:
Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
MsgVal40 to MsgVal33
Initial value
0
0
0
0
0
0
0
0
Attribute R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
R,WX
MB91520 Series
MN705-00010-1v0-E
1749