Fujitsu FR81S User Manual
CHAPTER 11: I/O PORTS
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : I/O PORTS
FUJITSU SEMICONDUCTOR CONFIDENTIAL
38
4.6.15.
Extended Port Function Register 65 to 70 :
EPFR65 to 70
EPFR65 to 70
The bit configuration of extended port function register 65 to 70 is shown.
These registers are used to enable serial chip select output.
EPFR65 : Address 01B9
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
SCSO40E
SCSO3E
Reserved SCSO2E
SCSO1E
Initial value
0
0
0
0
1
0
0
0
Attribute
R/W
R/W
R/W
R/W
R1,WX
R/W
R/W
R/W
SCSO1E[1:0] : serial chip select 1 input/output select
SCSO2E
SCSO2E
: serial chip select 2 output select
SCSO3E[1:0] : serial chip select 3 input/output select
SCSO40E[1:0] : serial chip select 40 input/output select
SCSO40E[1:0] : serial chip select 40 input/output select
EPFR66 : Address 01BA
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
SCSO43E
SCSO42E
SCSO41E
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
SCSO41E[1:0] : serial chip select 41 output select
SCSO42E[1:0] : serial chip select 42 output select
SCSO43E[1:0] : serial chip select 43 output select
SCSO42E[1:0] : serial chip select 42 output select
SCSO43E[1:0] : serial chip select 43 output select
EPFR67 : Address 01BB
H
(Access: Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
SCSO53
E
SCSO52
E
SCSO51
E
SCSO50
E
Initial value
1
1
1
1
0
0
0
0
Attribute R1,WX
R1,WX
R1,WX
R1,WX
R/W
R/W
R/W
R/W
SCSO50E
: serial chip select 50 output select
SCSO51E
: serial chip select 51 output select
SCSO52E
: serial chip select 52 output select
SCSO53E
: serial chip select 53 output select
MB91520 Series
MN705-00010-1v0-E
433