MMC2114 MOTOROLA [Motorola, Inc], MMC2114 Datasheet - Page 449
MMC2114
Manufacturer Part Number
MMC2114
Description
M CORE Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MMC2114.pdf
(654 pages)
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MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
MOTOROLA
PIE2 — Queue 2 Pause Software Interrupt Enable Bit
SSE2 — Queue 2 Single-Scan Enable Bit
MQ2[12:8] — Queue 2 Operating Mode Field
PIE2 enables an interrupt request when queue 2 enters the pause
state. The interrupt request is initiated when conversion is complete
for a CCW that has the pause bit set.
SSE2 enables a single-scan of queue 2 after a trigger event occurs.
SSE2 may be set during the same write cycle that sets the MQ2 bits
for one of the single-scan queue operating modes. The single-scan
enable bit can be written to 1 or 0, but is always read as a 0, unless
the QADC is in test mode. The QADC clears SSE2 when the
single-scan is complete.
The MQ2 field selects the operating mode for queue 2.
Table 19-5
queue 2 operating modes.
Freescale Semiconductor, Inc.
MQ2[12:8]
For More Information On This Product,
Queued Analog-to-Digital Converter (QADC)
1 = Enable the queue 2 pause interrupt.
0 = Disable the queue 2 pause interrupt.
1 = Allow a trigger event to start queue 2 in a single-scan mode.
0 = Trigger events are ignored for queue 2 single-scan modes.
00000
00001
00010
00100
00101
01000
01001
00011
00110
00111
Go to: www.freescale.com
shows the bits in the MQ2 field which enable different
Table 19-5. Queue 2 Operating Modes
Externally triggered falling edge single-scan mode
Disabled mode, conversions do not occur
Software triggered single-scan mode (started with SSE2)
Externally triggered rising edge single-scan mode
Interval timer single-scan mode: time = QCLK period x 2
Interval timer single-scan mode: time = QCLK period x 2
Interval timer single-scan mode: time = QCLK period x 2
Interval timer single-scan mode: time = QCLK period x 2
Interval timer single-scan mode: time = QCLK period x 2
Interval timer single-scan mode: time = QCLK period x 2
Queued Analog-to-Digital Converter (QADC)
Operating Modes
Register Descriptions
Advance Information
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