LM3S317 Datasheet, PDF (74/379 Pages) List of Unclassifed Manufacturers – Microcontroller

System Control
Register 9: LDO Power Control (LDOPCTL), offset 0x034
The VADJ field in this register adjusts the on-chip output voltage (V_OUT).
LDO Power Control (LDOPCTL)
Offset 0x034
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
VADJ
Type
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:6
5:0
Name
reserved
VADJ
Type
RO
R/W
Reset
0
0x0
Description
Reserved bits return an indeterminate value, and should
never be changed.
This field sets the on-chip output voltage. The programming
values for the VADJ field are provided in Table 6-2.
Table 6-2. VADJ to V_OUT
VADJ Value
0x1B
V_OUT (V)
2.75
0x1C
2.70
0x1D
2.65
0x1E
2.60
VADJ Value
0x1F
0x00
0x01
0x02
V_OUT (V)
2.55
2.50
2.45
2.40
VADJ Value
0x03
0x04
0x05
0x06-0x3F
V_OUT (V)
2.35
2.30
2.25
Reserved
74
May 4, 2007
Preliminary