Information

12.2.6 System Options Register 7 (SIM_SOPT7)
Address: SIM_SOPT7 is 4004_7000h base + 1018h offset = 4004_8018h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
ADC1ALTTRGEN
0
ADC1PRETRGSEL
ADC1TRGSEL
ADC0ALTTRGEN
0
ADC0PRETRGSEL
ADC0TRGSEL
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SIM_SOPT7 field descriptions
Field Description
31–16
Reserved
This read-only field is reserved and always has the value zero.
15
ADC1ALTTRGEN
ADC1 alternate trigger enable
Enable alternative conversion triggers for ADC1.
0 PDB trigger selected for ADC1
1 Alternate trigger selected for ADC1 as defined by ADC1TRGSEL.
14–13
Reserved
This read-only field is reserved and always has the value zero.
12
ADC1PRETRGSEL
ADC1 pre-trigger select
Selects the ADC1 pre-trigger source when alternative triggers are enabled through ADC1ALTTRGEN.
0 Pre-trigger A selected for ADC1.
1 Pre-trigger B selected for ADC1.
11–8
ADC1TRGSEL
ADC1 trigger select
Selects the ADC1 trigger source when alternative triggers are functional.
NOTE: Not all trigger sources are available in Stop and VLPS modes.
0000 PDB external trigger pin input (PDB0_EXTRG)
Table continues on the next page...
Chapter 12 System integration module (SIM)
K10 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 265