R01UH0823EJ0100 Rev.1.00 Page 466 of 1823
Jul 31, 2019
RX23W Group 22. Multi-Function Pin Controller (MPC)
22.2.10 PEn Pin Function Control Registers (PEnPFS) (n = 0 to 4)
—: Do not specify this value.
Address(es): PE0PFS 0008 C1B0h, PE1PFS 0008 C1B1h, PE2PFS 0008 C1B2h, PE3PFS 0008 C1B3h,
PE4PFS 0008 C1B4h
b7 b6 b5 b4 b3 b2 b1 b0
ASEL ISEL — PSEL[4:0]
Value after reset:
00000000
Bit Symbol Bit Name Description R/W
b4 to b0 PSEL[4:0] 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 ISEL Interrupt Input Function Select 0: Not used as IRQn input pin
1: Used as IRQn input pin
PE2: IRQ7 input switch (85/56 pins)
R/W
b7 ASEL Analog Function Select 0: Not used as an analog pin
1: Used as an analog pin
PE0:AN016 (85 pins)
PE1:AN017 (85 pins)
PE2:AN018 (85/56 pins)
PE3:AN019 (85/56 pins)
PE4:AN020 (85/56 pins)
R/W
Table 22.11 Register Settings for Input/Output Pin Function in 85-Pin
PSEL[4:0]
Settings
Pin
PE0 PE1 PE2 PE3 PE4
00000b
(initial value)
Hi-Z
00001b — MTIOC4C MTIOC4A MTIOC4B MTIOC4D
00010b — — — — MTIOC1A
00111b — — — POE8# —
01001b — — — CLKOUT CLKOUT
01100b SCK12 TXD12
TXDX12
SIOX12
SMOSI12
SSDA12
RXD12
RXDX12
SMISO12
SSCL12
CTS12#
RTS12#
SS12#
—
10111b — — — AUDIO_MCLK —
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