MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 443
MC9S12G
Manufacturer Part Number
MC9S12G
Description
Ignores external trigger. Performs one conversion sequence and stops.
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12G.pdf
(1160 pages)
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13.4.2.2
Each ATD input pin can be switched between analog or digital input functionality. An analog multiplexer
makes each ATD input pin selected as analog input available to the A/D converter.
The pad of the ATD input pin is always connected to the analog input channel of the analog mulitplexer.
Each pad input signal is buffered to the digital port register.
This buffer can be turned on or off with the ATDDIEN register for each ATD input pin.
This is important so that the buffer does not draw excess current when an ATD input pin is selected as
analog input to the ADC10B16C.
13.5
At reset the ADC10B16C is in a power down state. The reset state of each individual bit is listed within
the Register Description section (see
and their bit-field.
13.6
The interrupts requested by the ADC10B16C are listed in
related vector address and priority.
See
Freescale Semiconductor
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
Section 13.3.2, “Register Descriptions”
Resets
Interrupts
General-Purpose Digital Port Operation
Sequence Complete Interrupt
Compare Interrupt
Interrupt Source
MC9S12G Family Reference Manual, Rev.1.01
Table 13-24. ATD Interrupt Vectors
Section 13.3.2, “Register
for further details.
Mask
CCR
I bit
I bit
Table
ACMPIE in ATDCTL2
Descriptions”) which details the registers
ASCIE in ATDCTL2
13-24. Refer to MCU specification for
Local Enable
Analog-to-Digital Converter (ADC10B16CV2)
443
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