HD6432633 Datasheet, PDF (153/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

3.2.3 Pin Function Control Register (PFCR)
Bit
:
7
6
5
4
3
2
1
0
CSS07 CSS36 BUZZE LCASS AE3
AE2
AE1
AE0
Initial value :
0
0
0
0
1/0
1/0
0
1/0
R/W
: R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PFCR is an 8-bit readable-writable register that carries out CS selection control for PG4 and PG1
pins, LCAS selection control for PF2 and PF6 pins, and address output control during extension
modes with ROM.
PFCR is initialized by H'0D/H'00 by a power-on reset or a hardware standby mode. The
immediately previous state is maintained in manual reset or software standby mode.
Bit 7—CS0/CS7 Select (CSS07): Selects the CS output content for PG4 pin. In modes 4 to 6, the
selected CS is output by setting the corresponding DDR to 1.
Bit 7
CSS07
0
1
Description
Select CS0
Select CS7
(Initial value)
Bit 6—CS3/CS6 Select (CSS36): Selects the CS output content for PG1 pin. In modes 4 to 6, the
selected CS is output by setting the corresponding DDR to 1.
Bit 6
CSS36
0
1
Description
Select CS3
Select CS6
(Initial value)
99