R01UH0822EJ0100 Rev.1.00
Page 316 of 1041
Jul 31, 2019
RX13T Group
18. Multi-Function Pin Controller (MPC)
18.2.7
PAn Pin Function Control Register (PAnPFS) (n = 2, 3)
—: Do not specify this value.
Address(es): PA2PFS 0008 C192h, PA3PFS 0008 C193h
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 18.6.
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
PA2: IRQ4 input switch (48-pin)
R/W
b7
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
Table 18.6
Register Settings for Input/Output Pin Function in 48-pin
PSEL[4:0] Settings
Register/Pin
PA2PFS
PA3PFS
PA2
PA3
00000b (initial value)
Hi-Z
00001b
MTIOC1A
MTIOC1B
00011b
MTIOC2B
MTIOC2A
01010b
CTS5#
RTS5#
SS5#
—
01100b
—
CTS12#
RTS12#
SS12#