R01UH0823EJ0100 Rev.1.00
Page 459 of 1823
Jul 31, 2019
RX23W Group
22. Multi-Function Pin Controller (MPC)
22.2.3
P1n Pin Function Control Registers (P1nPFS) (n = 4 to 7)
—: Do not specify this value.
Address(es): P14PFS 0008 C14Ch, P15PFS 0008 C14Dh, P16PFS 0008 C14Eh, P17PFS 0008 C14Fh
b7
b6
b5
b4
b3
b2
b1
b0
ASEL
ISEL
—
PSEL[4:0]
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b4 to b0
Pin Function Select
These bits select the peripheral function. For individual pin functions,
see the tables below.
R/W
b5
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
b6
Interrupt Function Select
0: Not used as IRQn input pin
1: Used as IRQn input pin
P14: IRQ4 input switch (85/56 pins)
P15: IRQ5 input switch (85/56 pins)
P16: IRQ6 input switch (85/56 pins)
P17: IRQ7 input switch (85/56 pins)
R/W
b7
Analog Function Select
0: Used other than as analog pin
1: Used as analog pin
P14: CVREFB2 (85/56 pins)
P15: CMPB2 (85/56 pins)
R/W
Table 22.3
Register Settings for Input/Output Pin Function in 85-Pin and 56-Pin
PSEL[4:0]
Settings
Pin
P14
P15
P16
P17
00000b
(initial value)
Hi-Z
00001b
MTIOC3A
MTIOC0B
MTIOC3C
MTIOC3A
00010b
MTCLKA
MTCLKB
MTIOC3D
MTIOC3B
00011b
TIOCB5
TIOCB2
TIOCB1
TIOCB0
00100b
TCLKA
TCLKB
TCLKC
TCLKD
00101b
TMRI2
TMCI2
TMO2
TMO1
00111b
—
—
RTCOUT
POE8#
01001b
—
—
ADTRG0#
—
01010b
—
RXD1
SMISO1
SSCL1
TXD1
SMOSI1
SSDA1
SCK1
01011b
CTS1#
RTS1#
SS1#
—
—
—
01101b
—
—
MOSIA
MISOA
01111b
—
—
SCL
SDA
10000b
CTXD0
CRXD0
—
CMPOB2
10001b
USB0_OVRCURA
—
USB0_VBUS
—
10010b
—
—
USB0_VBUSEN
—
10011b
—
—
USB0_OVRCURB
—
10111b
—
—
—
SSITXD0
11001b
TS13
TS12
—
—