Fujitsu FR81S User Manual
CHAPTER 11: I/O PORTS
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : I/O PORTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
41
4.6.16.
Extended Port Function Register 84, 85 : EPFR84,
85
85
The bit configuration of extended port function register 84, 85 is shown.
These registers are used to enable wave generator output and to select I/O pins. (I/O multiplexing and I/O
relocation )
EPFR84 : Address 01CC
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
RTO3E
RTO2E
RTO1E
RTO0E
Initial value
0
0
0
0
0
0
0
0
Attribute
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RTO0E[1:0]
: wave generator real time output ch.0 output pin select
RTO1E[1:0]
: wave generator real time output ch.1 output pin select
RTO2E[1:0]
: wave generator real time output ch.2 output pin select
RTO3E[1:0]
: wave generator real time output ch.3 output pin select
EPFR85 : Address 01CD
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
DTTI0E
RTO5E
RTO4E
Initial value
1
1
0
0
0
0
0
0
Attribute R1,WX
R1,WX
R/W
R/W
R/W
R/W
R/W
R/W
RTO4E[1:0]
: wave generator real time output ch.4 output pin select
RTO5E[1:0]
: wave generator real time output ch.5 output pin select
DTTI0E[1:0]
: wave generator ch.0 to ch.5 input pin select
Waveform generator output
RTOnE (n=0 to 5)
Operation
00
RTOn output disable (Initial value)
01
RTOn_0 output enable
1x
RTOn_1 output enable
Waveform generator input
DTTI0E
Operation
00
Input from the DTTI0_0 pin (Initial value)
01
Input from the DTTI0_1 pin
1x
Input from the DTTI0_2 pin
MB91520 Series
MN705-00010-1v0-E
436