R01UH0822EJ0100 Rev.1.00
Page 312 of 1041
Jul 31, 2019
RX13T Group
18. Multi-Function Pin Controller (MPC)
18.2.3
P2n Pin Function Control Register (P2nPFS) (n = 2 to 4)
—: Do not specify this value.
Address(es): P22PFS 0008 C152h, P23PFS 0008 C153h, P24PFS 0008 C154h
b7
b6
b5
b4
b3
b2
b1
b0
—
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 Table 18.3.
R/W
b5
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
b6
Interrupt Input Function Select
0: Not used as IRQn input pin
1: Used as IRQn input pin
P22: IRQ2 (48-pin)
P23: IRQ4 (48-pin)
P24: IRQ3 (48-pin)
R/W
b7
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
Table 18.3
Register Settings for Input/Output Pin Function in 48-pin
PSEL[4:0] Settings
Register/Pin
P22PFS
P23PFS
P24PFS
P22
P23
P24
00000b (Initial value)
Hi-Z
00001b
MTIC5W
MTIC5V
MTIC5U
00111b
—
CACREF
—
01010b
—
TXD5
SMOSI5
SSDA5
RXD5
SMISO5
SSCL5
11110b
COMP2
COMP1
COMP0