M32C8A Datasheet, PDF (304/372 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 Series

M32C/8A Group
22. Programmable I/O Ports
Function Select Register A2
b7 b6 b5 b4 b3 b2 b1 b0
00 00
Symbol
PS2
Address
03B4h
After Reset
00X0 0000b
Bit Symbol
Bit Name
Function
RW
PS2_0
Port P8_0
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL2_0 bit
RW
PS2_1
Port P8_1
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL2_1 bit
RW
−
(b4-b2)
Reserved bits
Set to 0
RW
−
Unimplemented.
(b5)
Write 0. Read as undefined value.
−
−
(b7-b6)
Reserved bits
Set to 0
RW
Function Select Register A3⁽¹⁾
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PS3
Address
03B5h
After Reset
00h
Bit Symbol
Bit Name
Function
RW
PS3_0
Port P9_0
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL3_0 bit
RW
PS3_1
Port P9_1
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL3_1 bit
RW
PS3_2
Port P9_2
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL3_2 bit
RW
PS3_3
Port P9_3
output function select bit
0: I/O port/peripheral function input
1: RTS3
RW
PS3_4
Port P9_4
output function select bit
0: I/O port/peripheral function input
1: RTS4
RW
PS3_5
Port P9_5
output function select bit
0: I/O port/peripheral function input
1: CLK4 output
RW
PS3_6
Port P9_6
output function select bit
0: I/O port/peripheral function input
1: TXD4/SDA4 output
RW
PS3_7
Port P9_7
output function select bit
0: I/O port/peripheral function input
1: Select by the PSL3_7 bit
RW
NOTE:
1. Set the PS3 register immediately after the PRC2 bit in the PRCR register is set to 1 (write enable). Do not generate an interrupt
or a DMA or DMACII transfer between these two instructions.
Figure 22.8 PS2 Register, PS3 Register
Rev.1.00 Jul 15, 2007 Page 287 of 352
REJ09B0385-0100