SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 87
Version 1.1
7:6
URXD1[1:0]
Pin to be assigned as URXD1.
00: P1.8
01: P2.3
10: P1.17
11: Reserved
R/W
0
5:4
UTXD1[1:0]
Pin to be assigned as UTXD1.
00: P1.9
01: P2.2
10: P1.16
11: P3.6
R/W
0
3:2
URXD0[1:0]
Pin to be assigned as URXD0.
00: P0.11
01: P2.0
10: P3.2
11: Reserved
R/W
0
1:0
UTXD0[1:0]
Pin to be assigned as UTXD0.
00: P0.10
01: P2.1
10: P3.1
11: Reserved
R/W
0
6.4.4 PFPA for I2S register (PFPA_I2C)
Address offset: 0x0C
Bit
Name
Description
Attribute
Reset
31:8
Reserved
R
0
7:6
SCL1[1:0]
Pin to be assigned as SCL1.
00: P1.10
01: P1.13
10: P0.1
11: P1.8
R/W
0
5:4
SDA1[1:0]
Pin to be assigned as SDA1.
00: P1.11
01: P1.14
10: P0.2
11: P1.9
R/W
0
3:2
SCL0[1:0]
Pin to be assigned as SCL0.
00: P0.6
01: P1.4
10: P0.10
11: P1.1
R/W
0
1:0
SDA0[1:0]
Pin to be assigned as SDA0.
00: P0.7
01: P1.5
10: P0.11
11: P1.2
R/W
0
6.4.5 PFPA for SPI register (PFPA_SPI)
Address offset: 0x10
Bit
Name
Description
Attribute
Reset
31:16
Reserved
R
0
15:14
SEL1[1:0]
Pin to be assigned as SEL1.
00: P1.12
01: P1.9
10: P1.5
11: P0.13
R/W
0
13:12
SCK1[1:0]
Pin to be assigned as SCK1.
00: P1.13
R/W
0