P1N Pin Function Control Register (P1Npfs) (N = 0, 1) - Renesas RX100 Series User Manual

RX13T Group
18.2.2

P1n Pin Function Control Register (P1nPFS) (n = 0, 1)

Address(es): P10PFS 0008 C148h, P11PFS 0008 C149h
b7 b6
ASEL ISEL
0 0
Value after reset:
Bit Symbol Bit Name
b4 to b0 PSEL[4:0] Pin Function Select
b5 — Reserved
b6 ISEL Interrupt Input Function Select
b7 ASEL Analog Input Function Select
The Pmn pin function control register (PmnPFS) selects the pin function.
Bits PSEL[4:0] select the peripheral function assigned to each port pin.
The ISEL bit is set when a pin is used as an IRQ input pin. This setting can be used with the combination of the
peripheral function, though IRQn (external pin interrupt) of the same number should not be enabled by two or more pins.
The ISEL bit to which IRQn is not specified is reserved.
Table 18.2 Register Settings for Input/Output Pin Function in 48-/32-pin
Register/Pin
P10PFS
PSEL[4:0] Settings P10
00000b (Initial value) Hi-Z
00001b —
00010b MTCLKB
00111b —
—: Do not specify this value.
R01UH0822EJ0100 Rev.1.00
Jul 31, 2019
b5 b4 b3 b2
— PSEL[4:0]
0 0 0 0
Description
These bits select the peripheral function. For individual pin functions,
see Table 18.2.
This bit is read as 0. The write value should be 0.
0: Not used as IRQn input pin
1: Used as IRQn input pin
P10: IRQ0 (48-pin)
P11: IRQ1 (48-/32-pin)
0: Used other than as analog pin
1: Used as analog pin
P11: CVREFC0 (48-/32-pin)
P11PFS
P11
MTIOC3A
MTCLKA
POE8#
18. Multi-Function Pin Controller (MPC)
b1 b0
0 0
R/W
R/W
R/W
R/W
R/W
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