MMCCMB2107 Freescale, MMCCMB2107 Datasheet - Page 452

• Manufacturer Part Number: MMCCMB2107
• Manufacturer: Freescale

Specifications of MMCCMB2107

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Queued Analog-to-Digital Converter (QADC)
Technical Data
452
The queue operating mode selected for queue 1 determines what type
of trigger event causes the execution of each of the subqueues within
queue 1. Similarly, the queue operating mode for queue 2 determines
the type of trigger event required to execute each of the subqueues
within queue 2.
For example, when the external trigger rising edge continuous-scan
mode is selected for queue 1, and there are six subqueues within
queue 1, a separate rising edge is required on the external trigger pin
after every pause to begin the execution of each subqueue (refer to
Figure
The choice of single-scan or continuous-scan applies to the full queue,
and is not applied to each subqueue. Once a subqueue is initiated, each
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Freescale Semiconductor, Inc.
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For More Information On This Product,
Queued Analog-to-Digital Converter (QADC)
18-22).
CONVERSION COMMAND
BEGINNING OF QUEUE 1
BEGINNING OF QUEUE 2
Figure 18-22. QADC Queue Operation with Pause
WORD (CCW) TABLE
END OF QUEUE 1
END OF QUEUE 2
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PAUSE
PAUSE
PAUSE
PAUSE
PAUSE
PAUSE
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CHANNEL SELECT,
A/D CONVERSION
SAMPLE, HOLD,
RESULT WORD TABLE
MMC2107 – Rev. 2.0
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