Datasheet

Chapter 13 Analog-to-Digital Converter (ADC12B16CV1)
MC9S12XE-Family Reference Manual Rev. 1.25
514 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
00 0 0 16
00 0 1 1
00 1 0 2
00 1 1 3
01 0 0 4
01 0 1 5
01 1 0 6
01 1 1 7
10 0 0 8
10 0 1 9
10 1 0 10
10 1 1 11
11 0 0 12
11 0 1 13
11 1 0 14
11 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
76543210
R
SMP2 SMP1 SMP0 PRS[4:0]
W
Reset 0 0 0 00101
Figure 13-7. ATD Control Register 4 (ATDCTL4)