EFM32G200F16 Energy Micro, EFM32G200F16 Datasheet - Page 343
EFM32G200F16
Manufacturer Part Number
EFM32G200F16
Description
MCU 32BIT 16KB FLASH 32-QFN
Manufacturer
Energy Micro
Series
Geckor
Datasheets
1.EFM32G200F16.pdf
(63 pages)
2.EFM32G200F16.pdf
(10 pages)
3.EFM32G200F16.pdf
(463 pages)
4.EFM32G200F16.pdf
(136 pages)
Specifications of EFM32G200F16
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IrDA, SmartCard, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.8 V
Data Converters
A/D 4x12b, D/A 1x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad
Processor Series
EFM32G200
Core
ARM Cortex-M3
Data Bus Width
32 bit
Data Ram Size
8 KB
Interface Type
I2C, UART
Maximum Clock Frequency
32 MHz
Number Of Programmable I/os
24
Number Of Timers
2
Operating Supply Voltage
1.8 V to 3.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- EFM32G200F16 PDF datasheet
- EFM32G200F16 PDF datasheet #2
- EFM32G200F16 PDF datasheet #3
- EFM32G200F16 PDF datasheet #4
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- Download datasheet (8Mb)
25.3.4.2 Temperature Measurement
25.3.5 Reference Selection
2010-09-06 - d0001_Rev1.00
The RC input filter configuration is given in Figure 25.3 (p. 343) . The resistance and capacitance values
are given in the electrical characteristics for the device, named R
Figure 25.3. ADC RC Input Filter Configuration
The ADC includes an internal temperature sensor. This sensor is characterized during production and the
temperature readout from the ADC at production temperature, ADC0_TEMP_0_READ_1V25, is given
in the Device Information (DI) page. The production temperature, CAL_TEMP_0, is also given in this
page. The temperature gradient, TGRAD_ADCTH (mV/degree Celsius), for the sensor is found in the
datasheet for the devices. By selecting 1.25 V internal reference and measuring the internal temperature
sensor with 12 bit resolution, the temperature can be calculated according to the following formula:
ADC Temperature Measurement
Note
The reference voltage can be selected from these sources:
• 1.25 V internal bandgap
• 2.5 V internal bandgap
• V
• 5 V internal differential bandgap
• External single ended input from pin 6
• Differential input, 2x(pin 6 - pin 7)
• Unbuffered 2xV
• The 2.5 V reference needs a supply voltage higher than 2.5 V.
• The differential 5 V reference needs a supply voltage higher than 2.75 V.
Since the 2xV
and more susceptible to supply noise. The V
mode.
If a differential reference with a larger range than the supply voltage is combined with single ended
measurements, for instance the 5 V internal reference, the full ADC range will not be available because
the maximum input voltage is limited by the maximum electrical ratings.
Note
DD
Input
The minimum acquisition time for the temperature reference is found in the electrical
characteristics for the device.
DD
differential reference is unbuffered, it is directly connected to the ADC supply voltage
T
DD
CELSIUS
ADC_result)×Vref/(4096×TGRAD_ADCTH)
=CAL_TEMP_0-(ADC0_TEMP_0_READ_1V25-
R
C
ADC
DD
reference is buffered both in single ended and differential
...the world's most energy friendly microcontrollers
343
ADCFILT
and C
www.energymicro.com
ADCFILT
respectively.
(25.2)
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