NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 112 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
GPIOE Low Byte Multiple Function Control Register (SYS_GPE_MFPL)
Register
Offset
R/W
Description
Reset Value
SYS_GPE_MFP
L
0x090
R/W
GPIOE Low Byte Multiple Function Control Register
0x0000_0000
31
30
29
28
27
26
25
24
MFP_GPE7
MFP_GPE6
23
22
21
20
19
18
17
16
MFP_GPE5
MFP_GPE4
15
14
13
12
11
10
9
8
MFP_GPE3
MFP_GPE2
7
6
5
4
3
2
1
0
MFP_GPE1
MFP_GPE0
Bits
Description
[31:28]
MFP_GPE7
Pin PE.7 Multi Function Selection
0000 = PE.7.
0001 = RMII1_REFCLK.
0110 = SD1_DATA3.
1001 = UR1_DSR.
Others = PE.7.
[27:24]
MFP_GPE6
Pin PE.6 Multi Function Selection
0000 = PE.6.
0001 = RMII1_TXEN.
0110 = SD1_DATA2.
1001 = UR1_DTR.
Others = PE.6.
[23:20]
MFP_GPE5
Pin PE.5 Multi Function Selection
0000 = PE.5.
0001 = RMII1_TXDATA1.
0110 = SD1_DATA1.
1001 = UR1_CTS.
1111 = CLK_OUT.
Others = PE.5.
[19:16]
MFP_GPE4
Pin PE.4 Multi Function Selection
0000 = PE.4.
0001 = RMII1_TXDATA0.
0110 = SD1_DATA0.
1001 = UR1_RTS.
Others = PE.4.