MMC2114CFCAG33 Freescale Semiconductor, MMC2114CFCAG33 Datasheet - Page 521
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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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MMC2114CFCAG33
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MMC2114CFCAG33
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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19.11.7 Analog Input Pins
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
MOTOROLA
V
R
SRC
SRC
= Source voltage
= Source impedance
SOURCE
V
SRC
R
SRC
EXTERNAL FILTER
Figure 19-53. Electrical Model of an A/D Input Pin
Analog inputs should have low ac impedance at the pins. Low ac
impedance can be realized by placing a capacitor with good high
frequency characteristics at the input pin of the part. Ideally, that
capacitor should be as large as possible (within the practical range of
capacitors that still have good high-frequency characteristics). This
capacitor has two effects:
Series resistance can be used with the capacitor on an input pin to
implement a simple RC filter. The maximum level of filtering at the input
pins is application dependent and is based on the bandpass
characteristics required to accurately track the dynamic characteristics
of an input. Simple RC filtering at the pin may be limited by the source
impedance of the transducer or circuit supplying the analog signal to be
measured. (See
cases, the size of the capacitor at the pin may be very small.
Figure 19-53
model in the following discussion of the interaction between the external
circuitry and the circuitry inside the QADC.
R F
•
•
Freescale Semiconductor, Inc.
C
F
For More Information On This Product,
Queued Analog-to-Digital Converter (QADC)
R
C
It helps attenuate any noise that may exist on the input.
It sources charge during the sample period when the analog signal
source is a high-impedance source.
F
F
= Filter impedance
= Filter capacitor
INTERNAL CIRCUIT MODEL
Go to: www.freescale.com
is a simplified model of an input channel. Refer to this
S1
19.11.7.2 Error Resulting from
C
P
AMP
C
C
V
P
I
SAMP
= Internal voltage source during sample and hold
= Internal parasitic capacitance
= Sample capacitor
Queued Analog-to-Digital Converter (QADC)
S2
Pin Connection Considerations
C
SAMP
Leakage.) In some
S3
Advance Information
V
I
521
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