42 peripheral module select register 1 (p1mselr) – Renesas SH7781 User Manual
Page 1473
28. General Purpose I/O Ports (GPIO)
Rev.1.00 Jan. 10, 2008 Page 1443 of 1658
REJ09B0261-0100
28.2.42
Peripheral Module Select Register 1 (P1MSELR)
P1MSELR is a 16-bit readable/writable register. This register can be used to select the module that
uses multiplexed pins. For details of pin multiplexing, see table 28.1.
This register is valid only when peripheral modules are selected by PACR to PHCR, PJCR to
PNCR, PPCR to PRCR of the GPIO.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
P1M
SEL2
P1M
SEL3
P1M
SEL0
P1M
SEL1
P1M
SEL9
P1M
SEL11
P1M
SEL10
P1M
SEL7
P1M
SEL8
P1M
SEL4
P1M
SEL5
P1M
SEL6
P1M
SEL12
P1M
SEL13
P1M
SEL15
P1M
SEL14
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
value R/W Description
15
P1MSEL15 0
R/W
Out of the modules STATUS and DMAC, selects the
one which uses the pins STATUS0/
DRAK0 and
STATUS1/
DRAK1.
0: STATUS
1: DMAC
14
P1MSEL14 0
R/W
Out of the modules INTC and FLCTL, selects the one
which uses the pins MODE3 to MODE0/
IRL7 to
IRL4/FD7 to FD4.
0: INTC
1: FLCTL
At power-on reset by the
PRESET pin, MODE3 to
MODE0 are selected.
13
P1MSEL13 0
R/W
Out of the modules DMAC and PCIC, selects the one
which uses the pins
DREQ2/INTB and DREQ3/INTC.
0: DMAC
1: PCIC