Datasheet

Appendix B Internal I/O Registers
Rev.6.00 Sep. 27, 2007 Page 1187 of 1268
REJ09B0220-0600
PFCR2—Port Function Control Register 2 H'FFAC Ports
0
1
CS
2
, CS
3
, CS
4
, and CS
5
output disabled
(can be used as I/O ports)
CS
2
, CS
3
, CS
4
, and CS
5
output enabled
CS25 Enable
0
1
CS
1
, CS
6
, and CS
7
output disabled
(can be used as I/O ports)
CS
1
, CS
6
, and CS
7
output enabled
CS167 Enable
0
1
BREQO output is PF
2
pin
BREQO output is P5
3
pin
BREQO Pin Select
0
1
WAIT input is PF
2
pin
WAIT input is P5
3
pin
WAIT Pin Select
7
WAITPS
0
R/W
6
BREQOPS
0
R/W
5
CS167E
1
R/W
4
CS25E
1
R/W
3
ASOD
R/W
0
—
0
R
2
—
0
R
1
—
0
R
Bit
Initial value
Read/Write
:
:
:
0
1
PF
6
is designated as AS output pin
PF
6
is designated as I/O port, and
does not function as AS output pin
AS Output Disable
Note: This bit is valid in modes 4 to 6.
Note: Clear the DDR bits to 0 before changing
the CS25E setting.
Note: Clear the DDR bits to 0 before changing
the CS167E setting.
Note: Set BREQOPS before setting
the BREQOE bit in BCRL to 1.
Note: Set WAITPS before setting
the WAITE bit in BCRL to 1.