Chapter 13 Analog-to-Digital Converter (ADC12B16CV1)
MC9S12XE-Family Reference Manual , Rev. 1.19
512
Freescale Semiconductor
13.3.2.5
ATD Control Register 4 (ATDCTL4)
Writes to this register will abort current conversion sequence.
Read: Anytime
Write: Anytime
Table 13-11. Conversion Sequence Length Coding
S8C
S4C
S2C
S1C
Number of Conversions
per Sequence
0
0
0
0
16
0
0
0
1
1
0
0
1
0
2
0
0
1
1
3
0
1
0
0
4
0
1
0
1
5
0
1
1
0
6
0
1
1
1
7
1
0
0
0
8
1
0
0
1
9
1
0
1
0
10
1
0
1
1
11
1
1
0
0
12
1
1
0
1
13
1
1
1
0
14
1
1
1
1
15
Table 13-12. ATD Behavior in Freeze Mode (Breakpoint)
FRZ1
FRZ0
Behavior in Freeze Mode
0
0
Continue conversion
0
1
Reserved
1
0
Finish current conversion, then freeze
1
1
Freeze Immediately
Module Base + 0x0004
7
6
5
4
3
2
1
0
R
SMP2
SMP1
SMP0
PRS[4:0]
W
Reset
0
0
0
0
0
1
0
1
Figure 13-7. ATD Control Register 4 (ATDCTL4)
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