MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 225

• Manufacturer Part Number: MC9S12Q
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

8.2
The ATD10B8C has a total of 12 external pins.
8.2.1
This pin serves as the analog input channel 7. It can be configured to provide an external trigger for the
ATD conversion. It can be configured as general-purpose digital I/O.
8.2.2
This pin serves as the analog input channel 6. It can be configured as general-purpose digital I/O.
8.2.3
This pin serves as the analog input channel 5. It can be configured as general-purpose digital I/O.
8.2.4
This pin serves as the analog input channel 4. It can be configured as general-purpose digital I/O.
8.2.5
This pin serves as the analog input channel 3. It can be configured as general-purpose digital I/O.
8.2.6
This pin serves as the analog input channel 2. It can be configured as general-purpose digital I/O.
8.2.7
This pin serves as the analog input channel 1. It can be configured as general-purpose digital I/O.
8.2.8
This pin serves as the analog input channel 0. It can be configured as general-purpose digital I/O.
8.2.9
V
8.2.10
These pins are the power supplies for the analog circuitry of the ATD10B8C block.
Freescale Semiconductor
RH
is the high reference voltage and V
Signal Description
AN7 / ETRIG / PAD7
AN6 / PAD6
AN5 / PAD5
AN4 / PAD4
AN3 / PAD3
AN2 / PAD2
AN1 / PAD1
AN0 / PAD0
V
V
RH
DDA
, V
, V
RL
SSA
RL
is the low reference voltage for ATD conversion.
MC9S12Q128
Rev 1.09
Chapter 8 Analog-to-Digital Converter (ATD10B8C) Block Description
225