Datasheet

Channel FIFO fulfilled
Start FIFOed Conversion
n
The n
th
AD
channel fetch
The n
th
AD
result store
0 max
max = AFDEP
Software Triggered Single Conversion
COCO = 1
Conversions Completed
Channel FIFO fulfilled
Start FIFOed Conversion
n
The n
th
AD
channel fetch
The n
th
AD
result store
0 max
max = AFDEP
Software Triggered Continuous Conversion
ADC_SC1[COCO] = 1
Conversions Completed
Channel FIFO fulfilled
Start FIFOed Conversion
n
The n
th
AD
channel fetch
The n
th
AD
result store
0 max
max = AFDEP
Hardware Triggered Single Conversion
ADC_SC1[COCO] = 1
Conversions Completed
n0 max n0 max
Channel FIFO fulfilled
Start FIFOed Conversion
The n
th
AD
channel fetch
The n
th
AD
result store
max = AFDEP
Hardware Triggered Continuous Conversion
COCO = 1
Conversions Completed
max n0n0
when 1st hardware trigger occurs
when n hardware trigger occurs
when last hardware trigger occurs
when hardware trigger occurs
(Only need one hardware trigger)
If new trigger occurs, the new set conversions will be generated
Figure 19-13. ADC FIFO conversion sequence
Chapter 19 Analog-to-digital converter (ADC)
MC9S08PA60 Reference Manual, Rev. 1, 9/2012
Freescale Semiconductor, Inc. 545