MC9S12XHY-Family Reference Manual, Rev. 1.01
Freescale Semiconductor
315
Chapter 10
Analog-to-Digital Converter (ADC12B12CV1)
Block Description
Revision History
10.1
Introduction
The ADC12B12C is a 12-channel, 12-bit, multiplexed input successive approximation analog-to-digital
converter. Refer to device electrical specifications for ATD accuracy.
10.1.1
Features
•
8-, 10-, or 12-bit resolution.
•
Conversion in Stop Mode using internally generated clock
•
Automatic return to low power after conversion sequence
•
Automatic compare with interrupt for higher than or less/equal than programmable value
•
Programmable sample time.
•
Left/right justified result data.
•
External trigger control.
•
Sequence complete interrupt.
•
Analog input multiplexer for 8 analog input channels.
•
Special conversions for V
RH
, V
RL
, (V
RL
+V
RH
)/2.
Version
Number
Revision
Date
Effective
Date
Author
Description of Changes
V01.00
25 July 2007
25 July 2007
Initial version
V01.01
14 Sept 2007
14 Sept 2007
Added reserved registers at the end the memory map.
V01.02
1 Oct 2007
1 Oct 2007
Added following mention where applies:
(n conversion number, NOT channel number!)
V01.03
9 Oct 2007
9 Oct 2007
Modified table “Analog Input Channel Select Coding” due to
new customer feature (SPECIAL17).
V01.04
30 Apr 2008
30 Apr 2008
Updated document for 8 channels.
V01.05
1 Oct 2008
1 Oct 2008
Updated document for 12 channels.
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