MMC2114CFCAG33 Freescale Semiconductor, MMC2114CFCAG33 Datasheet - Page 477
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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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19.9.3.6 Comparator
19.9.3.7 Bias
19.9.3.8 Successive Approximation Register
19.9.3.9 State Machine
MMC2114 • MMC2113 • MMC2112 — Rev. 1.0
MOTOROLA
The DAC array provides a mechanism for the successive approximation
A/D conversion.
Resolution begins with the most significant bit (MSB) and works down to
the least significant bit (LSB). The switching sequence is controlled by
the comparator and SAR logic. The sample capacitor samples and holds
the voltage to be converted.
During the approximation process, the comparator senses whether the
digitally selected arrangement of the DAC array produces a voltage level
higher or lower than the sampled input. The comparator output feeds
into the SAR which accumulates the A/D conversion result sequentially,
beginning with the MSB.
The bias circuit is controlled by the STOP signal to power-up and
power-down all the analog circuits.
The input of the SAR is connected to the comparator output. The SAR
sequentially receives the conversion value one bit at a time, starting with
the MSB. After accumulating the 10 bits of the conversion result, the
SAR data is transferred to the appropriate result location, where it may
be read by user software.
The state machine generates all timing to perform an A/D conversion. An
internal start-conversion signal indicates to the A/D converter that the
desired channel has been sent to the MUX. IST[1:0] denotes the desired
sample time. BYP determines whether to bypass the sample amplifier.
Once the end of conversion has been reached a signal is sent to the
queue control logic indicating that a result is available for storage in the
result RAM.
Freescale Semiconductor, Inc.
For More Information On This Product,
Queued Analog-to-Digital Converter (QADC)
Go to: www.freescale.com
Queued Analog-to-Digital Converter (QADC)
Functional Description
Advance Information
477
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