R01UH0823EJ0100 Rev.1.00
Page 463 of 1823
Jul 31, 2019
RX23W Group
22. Multi-Function Pin Controller (MPC)
22.2.7
PBn Pin Function Control Registers (PBnPFS) (n = 0, 1, 3, 5, 7)
—: Do not specify this value.
—: Do not specify this value.
Address(es): PB0PFS 0008 C198h, PB1PFS 0008 C199h, PB3PFS 0008 C19Bh, PB5PFS 0008 C19Dh,
PB7PFS 0008 C19Fh
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 the tables below.
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
PB1: IRQ4 (85/56 pins)
R/W
b7
—
Reserved
This bit is read as 0. The write value should be 0.
R/W
Table 22.7
Register Settings for Input/Output Pin Function in 85-Pin
PSEL[4:0]
Settings
Pin
PB0
PB1
PB3
PB5
PB7
00000b
(initial value)
Hi-Z
00001b
—
MTIOC0C
MTIOC0A
MTIOC2A
MTIOC3B
00010b
—
MTIOC4C
MTIOC4A
MTIOC1B
—
00011b
TIOCA3
TIOCB3
TIOCD3
TIOCB4
TIOCB5
00100b
—
—
TCLKD
—
—
00101b
—
TMCI0
TMO0
TMRI1
—
00111b
—
—
POE3#
POE1#
—
01101b
RSPCKA
—
—
—
—
10001b
—
—
—
USB0_VBUS
—
11010b
SDHI_CMD
SDHI_CLK
SDHI_WP
SDHI_CD
SDHI_D2
Table 22.8
Register Settings for Input/Output Pin Function in 56-Pin
PSEL[4:0]
Settings
Pin
PB0
PB1
PB7
00000b
(initial value)
Hi-Z
00001b
—
MTIOC0C
MTIOC3B
00010b
—
MTIOC4C
—
00011b
TIOCA3
TIOCB3
TIOCB5
00101b
—
TMCI0
—
01101b
RSPCKA
—
—