Fujitsu FR81S User Manual
CHAPTER 41: CAN
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: CAN
FUJITSU SEMICONDUCTOR CONFIDENTIAL
48
CAN Transmission Request Register 2 (upper byte): Address Base + 80
H
(Access: Byte, Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
TxRqst32 to TxRqst25
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 Transmission Request Register 2 (lower byte): Address Base + 81
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
TxRqst24 to TxRqst17
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 Transmission Request Register 1 (upper byte): Address Base + 82
H
(Access: Byte, Half-word, Word)
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
TxRqst16 to TxRqst9
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 Transmission Request Register 1 (lower byte): Address Base + 83
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
TxRqst8 to TxRqst1
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
TxRqst64 to TxRqst1: Transmission request bits
TxRqst64 to
TxRqst1
Function
0
Indicates the transmission idle state (neither transmission is in progress nor in the
transmission wait state).
1
Indicates that transmission is in progress or in the transmission wait state.
MB91520 Series
MN705-00010-1v0-E
1741