MMC2114CFCAG33 Freescale Semiconductor, MMC2114CFCAG33 Datasheet - Page 500
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MMC2114CFCAG33
Manufacturer Part Number
MMC2114CFCAG33
Description
IC MCU 32BIT 33MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Series
MCorer
Specifications of MMC2114CFCAG33
Core Processor
M210
Core Size
32-Bit
Speed
33MHz
Connectivity
EBI/EMI, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
67
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
MMC2114
Core
M-CORE
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SCI/SPI
Maximum Clock Frequency
33 MHz
Number Of Programmable I/os
104
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
MCORE
No. Of I/o's
104
Ram Memory Size
32KB
Cpu Speed
33MHz
No. Of Timers
2
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MMC2114CFCAG33
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MMC2114CFCAG33
Manufacturer:
Freescale Semiconductor
Quantity:
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Queued Analog-to-Digital Converter (QADC)
19.10.7.1 Software-Initiated Continuous-Scan Mode
Advance Information
500
between the last queue conversion and the first queue conversion
requires one additional CCW fetch cycle. Continuous samples are not
coherent at this boundary.
In addition, the time from trigger to first conversion cannot be
guaranteed, because it is a function of clock synchronization,
programmable trigger events, queue priorities, and so on.
When software-initiated continuous-scan mode is selected, the trigger
event is generated automatically by the QADC. Queue execution begins
immediately. If a pause is encountered, another trigger event is
generated internally, and execution continues without pausing. When
the end-of-queue is reached, another internal trigger event is generated
and queue execution restarts at the beginning of the queue.
While the time to internally generate and act on a trigger event is very
short, the queue status field can be read as momentarily indicating that
the queue is idle. The trigger overrun flag is never set while in
software-initiated continuous-scan mode.
The software-initiated continuous-scan mode keeps the result registers
updated more frequently than any of the other queue operating modes.
The result table can always be read to get the latest converted value for
each channel. The channels scanned are kept up to date by the QADC
without software involvement.
The software-initiated continuous-scan mode may be chosen for either
queue, but is normally used only with queue 2. When software-initiated
continuous-scan mode is chosen for queue 1, that queue operates
continuously and queue 2, being lower in priority, never gets executed.
The short interval of time between a queue 1 completion and the
subsequent trigger event is not sufficient to allow queue 2 execution to
begin.
The software-initiated continuous-scan mode is a useful choice with
queue 2 for converting channels that do not need to be synchronized to
anything or for slow-to-change analog channels. Interrupts are normally
not used with the software-initiated continuous-scan mode. Rather, the
Freescale Semiconductor, Inc.
For More Information On This Product,
Queued Analog-to-Digital Converter (QADC)
Go to: www.freescale.com
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
MOTOROLA
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