NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 134 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
DDR I/O Driving Strength Control Register (SYS_DDR_DSCTL)
Register
Offset
R/W
Description
Reset Value
SYS_DDR_DS
CTL
0x0F0
R/W
DDR I/O Driving Strength Control Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
DATA_DS
ADDR_DS
CTRL_DS
CLK_DS
Bits
Description
[31:8]
Reserved
Reserved.
[7:6]
DATA_DS
DDR Data I/O Driving Strength Selection
This bit controls the driving strength for DDR I/O used as data.
00 = Reserved.
01 = Reduced Strength.
10 = Reserved.
11 = Full Strength.
[5:4]
ADDR_DS
DDR Address I/O Driving Strength Selection
This bit controls the driving strength for DDR I/O used as address.
00 = Reserved.
01 = Reduced Strength.
10 = Reserved.
11 = Full Strength.
[3:2]
CTRL_DS
DDR Control I/O Driving Strength Selection
This bit controls the driving strength for DDR I/O used as control signals.
00 = Reserved.
01 = Reduced Strength.
10 = Reserved.
11 = Full Strength.