EFM32TG210F32 Energy Micro, EFM32TG210F32 Datasheet - Page 103

• Manufacturer Part Number: EFM32TG210F32
• Description: MCU 32BIT 32KB FLASH 32-QFN
• Manufacturer: Energy Micro
• Series: Tiny Geckor

Specifications of EFM32TG210F32

• 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: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: EFM32
• Core: ARM Cortex-M3
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: UART, I2C, SPI
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 17
• Number Of Timers: 1
• Operating Supply Voltage: 1.8 V to 3.8 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Processor To Be Evaluated: EFM32TG210
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

11.3.4 Output Clock on a Pin
11.3.5 Protection
2010-12-21 - d0034_Rev0.90
It is possible to configure the CMU to output clocks on two pins. This clock selection is done using
CLKOUTSEL0 and CLKOUTSEL1 fields in CMU_CTRL. The output pins must be configured in the
CMU_ROUTE register.
• LFRCO, LFXO, HFCLK or the qualified clock from any of the oscillators can be output on one pin
• HFRCO, HFXO, HFCLK/2, HFCLK/4, HFCLK/8, HFCLK/16, ULFRCO or AUXHFRCO can be output
Note that HFXO and HFRCO clock outputs to pin can be unstable after startup and should not be output
on a pin before HFXORDY/HFRCORDY is set high in CMU_STATUS.
It is possible to lock the control- and command registers to prevent unintended software writes to critical
clock settings. This is controlled by the CMU_LOCK register.
(CMU_OUT1). A qualified clock will not have any glitches or skewed duty-cycle during startup. For
LFXO and HFXO you need to configure LFXOTIMEOUT and HFXOTIMEOUT in CMU_CTRL correctly
to guarantee a qualified clock.
on another pin (CMU_OUT0)
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