STM32F051K4U6 STMicroelectronics, STM32F051K4U6 Datasheet - Page 17

• Manufacturer Part Number: STM32F051K4U6
• Description: ARM Microcontrollers - MCU Entry-Level ARM M0 16kB 2.0V to 3.6V
• Manufacturer: STMicroelectronics

Specifications of STM32F051K4U6

• Product Category: ARM Microcontrollers - MCU
• Rohs: yes
• Core: ARM Cortex M0
• Processor Series: STM32F051xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 16 KB
• Data Ram Size: 8 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: UFQFN-48
• Mounting Style: SMD/SMT

STM32F051x
3.10.1
3.10.2
sensor, voltage reference, VBAT voltage measurement) channels and performs conversions
in single-shot or scan modes. In scan mode, automatic conversion is performed on a
selected group of analog inputs.
The ADC can be served by the DMA controller.
An analog watchdog feature allows very precise monitoring of the converted voltage of one,
some or all selected channels. An interrupt is generated when the converted voltage is
outside the programmed thresholds.
Temperature sensor
The temperature sensor (TS) generates a voltage V
temperature.
The temperature sensor is internally connected to the ADC_IN16 input channel which is
used to convert the sensor output voltage into a digital value.
The sensor provides good linearity but it has to be calibrated to obtain good overall accuracy
of the temperature measurement. As the offset of the temperature sensor varies from chip
to chip due to process variation, the uncalibrated internal temperature sensor is suitable for
applications that detect temperature changes only.
To improve the accuracy of the temperature sensor measurement, each device is
individually factory-calibrated by ST. The temperature sensor factory calibration data are
stored by ST in the system memory area, accessible in read-only mode.
Table 3.
Internal voltage reference (V
The internal voltage reference (V
ADC and Comparators. V
precise voltage of V
test and stored in the system memory area. It is accessible in read-only mode.
Table 4.
TS_CAL1
TS_CAL2
VREFINT_CAL
Calibration value name
Calibration value name
Temperature sensor calibration values
Temperature sensor calibration values
REFINT
REFINT
is individually measured for each part by ST during production
Doc ID 022265 Rev 3
TS ADC raw data acquired at
temperature of 30 °C,
V
TS ADC raw data acquired at
temperature of 110 °C
V
Raw data acquired at
temperature of 30 °C
V
DDA
DDA
is internally connected to the ADC_IN17 input channel. The
DDA
REFINT
= 3.3 V
= 3.3 V
= 3.3 V
REFINT
) provides a stable (bandgap) voltage output for the
Description
Description
)
SENSE
that varies linearly with
0x1FFF F7B8 - 0x1FFF F7B9
0x1FFF F7C2 - 0x1FFF F7C3
0x1FFF F7BA - 0x1FFF F7BB
Memory address
Memory address
Functional overview
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