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| MC9S12C Datasheet, PDF (225/680 Pages) Motorola, Inc – 16-Bit Microcontroller | |||
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Chapter 8 Analog-to-Digital Converter (ATD10B8C) Block Description
8.2 Signal Description
The ATD10B8C has a total of 12 external pins.
8.2.1 AN7 / ETRIG / PAD7
This pin serves as the analog input channel 7. It can be conï¬gured to provide an external trigger for the
ATD conversion. It can be conï¬gured as general-purpose digital I/O.
8.2.2 AN6 / PAD6
This pin serves as the analog input channel 6. It can be conï¬gured as general-purpose digital I/O.
8.2.3 AN5 / PAD5
This pin serves as the analog input channel 5. It can be conï¬gured as general-purpose digital I/O.
8.2.4 AN4 / PAD4
This pin serves as the analog input channel 4. It can be conï¬gured as general-purpose digital I/O.
8.2.5 AN3 / PAD3
This pin serves as the analog input channel 3. It can be conï¬gured as general-purpose digital I/O.
8.2.6 AN2 / PAD2
This pin serves as the analog input channel 2. It can be conï¬gured as general-purpose digital I/O.
8.2.7 AN1 / PAD1
This pin serves as the analog input channel 1. It can be conï¬gured as general-purpose digital I/O.
8.2.8 AN0 / PAD0
This pin serves as the analog input channel 0. It can be conï¬gured as general-purpose digital I/O.
8.2.9 VRH, VRL
VRH is the high reference voltage and VRL is the low reference voltage for ATD conversion.
8.2.10 VDDA, VSSA
These pins are the power supplies for the analog circuitry of the ATD10B8C block.
Freescale Semiconductor
MC9S12C-Family / MC9S12GC-Family
225
Rev 01.23
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