Chapter 10 Analog-to-Digital Converter (ADC12B_LBA_V1)
S12ZVHY/S12ZVHL Family Reference Manual Rev. 1.05
Freescale Semiconductor
373
For a detailed description of all conversion flow control bit scenarios please see also
“The two conversion flow control Mode Configurations
Section 10.5.3.2.5, “The four ADC conversion
Section 10.5.3.2.6, “Conversion flow control in case of conversion sequence control
Table 10-10. Summary of Conversion Flow Control Bit Scenarios
RSTA
TRIG
SEQA
LDOK
Conversion Flow
Control Mode
Conversion Flow Control
Scenario
0
0
0
0
Both Modes
Valid
0
0
0
1
Both Modes
Can Not Occur
0
0
1
0
Both Modes
Valid
0
0
1
1
Both Modes
Can Not Occur
0
1
0
0
Both Modes
Valid
0
1
0
1
Both Modes
Can Not Occur
0
1
1
0
Both Modes
Can Not Occur
0
1
1
1
Both Modes
Can Not Occur
1
0
0
0
Both Modes
Valid
1
0
0
1
Both Modes
Valid
1
0
1
0
Both Modes
Valid
1
0
1
1
Both Modes
Valid
1
1
0
0
“Restart Mode”
Error flag TRIG_EIF set
“Trigger Mode”
Valid
1
1
0
1
“Restart Mode”
Error flag TRIG_EIF set
“Trigger Mode”
Valid
1
1
1
0
“Restart Mode”
Error flag TRIG_EIF set
“Trigger Mode”
Valid
1
1
1
1
“Restart Mode”
Error flag TRIG_EIF set
“Trigger Mode”
Valid
(1)
(2)
(3)
(4)
(5)
(6)
1. Swap CSL buffer
2. Start conversion sequence
3. Prevent RSTA_EIF and LDOK_EIF
4. Load conversion command from top of CSL
5. Abort any ongoing conversion, conversion sequence and CSL
6. Bit TRIG set automatically in Trigger Mode