Fujitsu FR81S User Manual
CHAPTER 41: CAN
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: CAN
FUJITSU SEMICONDUCTOR CONFIDENTIAL
50
4.5.2. CAN Data Update Registers : NEWDT1 to NEWDT4
The bit configuration of the CAN data update registers is shown.
Displays the NewDat bit of all message objects. It is possible to check which message objects data has been
updated by reading the NewDat bit.
CAN Data Update Register 4 (upper byte): Address Base + 94
H
(Access: Byte,
Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
NewDat64 to NewDat57
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 Data Update Register 4 (lower byte): Address Base + 95
H
(Access: Byte,
Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
NewDat56 to NewDat49
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 Data Update Register 3 (upper byte): Address Base + 96
H
(Access: Byte,
Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
NewDat48 to NewDat41
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 Data Update Register 3 (lower byte): Address Base + 97
H
(Access: Byte,
Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
NewDat40 to NewDat33
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
1743