EFM32G200F16 Energy Micro, EFM32G200F16 Datasheet - Page 362

• Manufacturer Part Number: EFM32G200F16
• Description: MCU 32BIT 16KB FLASH 32-QFN
• Manufacturer: Energy Micro
• Series: Geckor

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

26 DAC - Digital to Analog Converter
26.1 Introduction
26.2 Features
2010-09-06 - d0001_Rev1.00
The Digital to Analog Converter (DAC) can convert a digital value to an analog output voltage. The DAC
is fully differential rail-to-rail, with 12-bit resolution. It has two single ended output buffers which can be
combined into one differential output. The DAC may be used for a number of different applications such
as sensor interfaces or sound output.
• 500 ksamples/s operation
• Two single ended output channels
• Integrated prescaler with division factor selectable between 1-128
• Selectable voltage reference
• Conversion triggers
• Automatic refresh timer
• Interrupt generation on finished conversion
• PRS output pulse on finished conversion
• DMA request on finished conversion
0 1 2 3
• Can be combined into one differential output
• Internal 2.5V
• Internal 1.25V
• V
• Data write
• PRS input
• Selection from 8-64 prescaled HFPERCLK cycles
• Individual refresh enable for each channel
• Separate interrupt flag for each channel
• Separate line for each channel
• Separate request for each channel
DD
...0101110...
...0100010...
4
DAC
...the world's most energy friendly microcontrollers
362
What?
The DAC is designed for low energy
consumption, but can also provide very good
performance. It can convert digital values
to analog signals at up to 500 kilo samples/
second and with 12-bit accuracy.
Why?
The DAC is able to generate accurate analog
signals using only a limited amount of energy.
How?
The DAC can generate high-resolution
analog signals while the MCU is operating
at low frequencies and with low total power
consumption. Using DMA and a timer, the
DAC can be used to generate waveforms
without any CPU intervention.
Quick Facts
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