Fujitsu FR81S User Manual
CHAPTER 11: I/O PORTS
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : I/O PORTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
29
4.6.6. Extended Port Function Register 86 : EPFR86
The bit configuration of extended port function register 86 is shown.
This register is used to enable CAN output and to select input pins. (I/O relocation and I/O multiplexing)
EPFR86 : Address 01CE
H
(Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
RX1E
TX2E
TX1E
TX0E
Initial value
1
1
1
0
0
0
0
0
Attribute R1,WX
R1,WX
R1,WX
R/W
R/W
R/W
R/W
R/W
TXnE (n=0 to 2) : CAN channel n transmission data output enabled
TXnE (n=1, 2)
Operation
0
CAN channel n output disabled (Initial value)
1
CAN channel n output enabled
TX0E[1:0]
Operation
00
CAN channel 0 output disabled (Initial value)
01
CAN channel TX0(128) output enabled
1x
CAN channel TX0_1 output enabled
RX1E CAN channel 1 reception data input pin select
RX1E
Operation
0
CAN channel RX1(64) input enabled (Initial value)
1
CAN channel RX1_1 input enabled
MB91520 Series
MN705-00010-1v0-E
424