Datasheet

ADC_SC1 field descriptions
Field Description
7
COCO
Conversion Complete Flag
Conversion Complete Flag. The COCO flag is a read-only bit set each time a conversion is completed
when the compare function is disabled (ADC_SC2[ACFE] = 0). When the compare function is enabled
(ADC_SC2[ACFE] = 1), the COCO flag is set upon completion of a conversion only if the compare result is
true. When the FIFO function is enabled (ADC_SC4[AFDEP] > 0), the COCO flag is set upon completion
of the set of FIFO conversion. This bit is cleared when ADCSC1 is written or when ADC_RL is read.
0 Conversion not completed.
1 Conversion completed.
6
AIEN
Interrupt Enable
AIEN enables conversion complete interrupts. When COCO becomes set while AIEN is high, an interrupt
is asserted.
0 Conversion complete interrupt disabled.
1 Conversion complete interrupt enabled.
5
ADCO
Continuous Conversion Enable
ADCO enables continuous conversions.
0 One conversion following a write to the ADCSC1 when software triggered operation is selected, or
one conversion following assertion of ADHWT when hardware triggered operation is selected. When
the FIFO function is enabled (AFDEP > 0), a set of conversions are triggered.
1 Continuous conversions are initiated following a write to ADCSC1 when software triggered operation
is selected. Continuous conversions are initiated by an ADHWT event when hardware triggered
operation is selected. When the FIFO function is enabled (AFDEP > 0), a set of conversions are loop
triggered.
4–0
ADCH
Input Channel Select
The ADCH bits form a 5-bit field that selects one of the input channels.
00000-01111 AD0-AD15
10000-10011 V
SS
10100-10101 Reserved
10110 Temperature Sensor
10111 Bandgap
11000-11100 Reserved
11101 V
REFH
11110 V
REFL
11111 Module disabled
NOTE: Reset FIFO in FIFO mode.
Chapter 19 Analog-to-digital converter (ADC)
MC9S08PA60 Reference Manual, Rev. 1, 9/2012
Freescale Semiconductor, Inc. 527