D12320VF25V Datasheet, PDF (1068/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
PFCR2—Port Function Control Register 2
H'FFAC
Ports
Bit
:
7
6
5
4
3
2
⎯
⎯ CS167E CS25E ASOD ⎯
Initial value :
0
0
1
1
0
0
Read/Write : _{R/W R/W}
R/W
R/W R/W
R
1
0
⎯
⎯
0
0
R
R
Reserved
Only 0 should be
written to these bits
AS Output Disable^*
0 PF6 is designated as AS output pin
1 PF6 is designated as I/O port, and
does not function as AS output pin
Note: * This bit is valid in modes 4 to 6.
CS25 Enable^{*1 *2}
0 CS2, CS3, CS4, and CS5 output disabled
(can be used as I/O ports)
1 CS2, CS3, CS4, and CS5 output enabled
Notes: 1. This bit is valid in modes 4 to 6.
2. Clear the DDR bits to 0 before
changing the CS25E setting.
CS167 Enable^{*1 *2}
0 CS1, CS6, and CS7 output disabled
(can be used as I/O ports)
1 CS1, CS6, and CS7 output enabled
Notes: 1. This bit is valid in modes 4 to 6.
2. Clear the DDR bits to 0 before
changing the CS167E setting.
Rev.7.00 Feb. 14, 2007 page 1034 of 1108
REJ09B0089-0700