Chapter 23 Voltage Regulator (S12VREGL3V3V1)
MC9S12XE-Family Reference Manual , Rev. 1.19
820
Freescale Semiconductor
23.3.1
Module Memory Map
A summary of the registers associated with the VREG_3V3 sub-block is shown in
. Detailed
descriptions of the registers and bits are given in the subsections that follow
23.3.2
Register Descriptions
This section describes all the VREG_3V3 registers and their individual bits.
23.3.2.1
H
igh
T
emperature
Control Register (VREGHTCL)
The VREGHTCL register allows to configure the VREG temperature sense features.
Figure 23-2. Register Summary
Address
Name
Bit 7
6
5
4
3
2
1
Bit 0
0x02F0
VREGHTCL
R
0
0
VSEL
VAE
HTEN
HTDS
HTIE
HTIF
W
0x02F1
VREGCTRL
R
0
0
0
0
0
LVDS
LVIE
LVIF
W
0x02F2
VREGAPIC
L
R
APICLK
0
0
APIFES
APIEA
APIFE
APIE
APIF
W
0x02F3
VREGAPIT
R
R
APITR5
APITR4
APITR3
APITR2
APITR1
APITR0
0
0
W
0x02F4
VREGAPIR
H
R
APIR15
APIR14
APIR13
APIR12
APIR11
APIR10
APIR9
APIR8
W
0x02F5
VREGAPIR
L
R
APIR7
APIR6
APIR5
APIR4
APIR3
APIR2
APIR1
APIR0
W
0x02F6
Reserved
06
R
0
0
0
0
0
0
0
0
W
0x02F7
VREGHTTR
R
HTOEN
0
0
0
HTTR3
HTTR2
HTTR1
HTTR0
W
0x02F0
7
6
5
4
3
2
1
0
R
0
0
VSEL
VAE
HTEN
HTDS
HTIE
HTIF
W
Reset
0
0
0
1
0
0
0
0
= Unimplemented or Reserved
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages