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STM32F051C8U6TRDatasheet PDF
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January 2017 DocID022265 Rev 7 1/122
STM32F051x4 STM32F051x6
STM32F051x8
ARM
®
-based 32-bit MCU, 16 to 64 KB Flash, 11 timers, ADC,
DAC and communication interfaces, 2.0-3.6 V
Datasheet - production data
Features
• Core: ARM
®
32-bit Cortex
®
-M0 CPU,
frequency up to 48 MHz
• Memories
– 16 to 64 Kbytes of Flash memory
– 8 Kbytes of SRAM with HW parity checking
• CRC calculation unit
• Reset and power management
– Digital and I/O supply: V
DD
= 2.0 V to 3.6 V
– Analog supply: V
DDA
= from V
DD
to 3.6 V
– Power-on/Power down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low power modes: Sleep, Stop, Standby
–V
BAT
supply for RTC and backup registers
• Clock management
– 4 to 32 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 8 MHz RC with x6 PLL option
– Internal 40 kHz RC oscillator
• Up to 55 fast I/Os
– All mappable on external interrupt vectors
– Up to 36 I/Os with 5 V tolerant capability
• 5-channel DMA controller
• One 12-bit, 1.0 µs ADC (up to 16 channels)
– Conversion range: 0 to 3.6 V
– Separate analog supply from 2.4 up to 3.6
• One 12-bit DAC channel
• Two fast low-power analog comparators with
programmable input and output
• Up to 18 capacitive sensing channels
supporting touchkey, linear and rotary touch
sensors
• Up to 11 timers
– One 16-bit 7-channel advanced-control
timer for 6 channels PWM output, with
deadtime generation and emergency stop
– One 32-bit and one 16-bit timer, with up to
4 IC/OC, usable for IR control decoding
– One 16-bit timer, with 2 IC/OC, 1 OCN,
deadtime generation and emergency stop
– Two 16-bit timers, each with IC/OC and
OCN, deadtime generation, emergency
stop and modulator gate for IR control
– One 16-bit timer with 1 IC/OC
– Independent and system watchdog timers
– SysTick timer: 24-bit downcounter
– One 16-bit basic timer to drive the DAC
• Calendar RTC with alarm and periodic wakeup
from Stop/Standby
• Communication interfaces
– Up to two I
2
C interfaces, one supporting
Fast Mode Plus (1 Mbit/s) with 20 mA
current sink, SMBus/PMBus and wakeup
from Stop mode
– Up to two USARTs supporting master
synchronous SPI and modem control, one
with ISO7816 interface, LIN, IrDA
capability, auto baud rate detection and
wakeup feature
– Up to two SPIs (18 Mbit/s) with 4 to 16
programmable bit frame, one with I
2
S
interface multiplexed
• HDMI CEC interface, wakeup on header
reception
• Serial wire debug (SWD)
• 96-bit unique ID
• All packages ECOPACK
®
2
Table 1. Device summary
Reference Part number
STM32F051xx
STM32F051C4, STM32F051K4, STM32F051R4
STM32F051C6, STM32F051K6, STM32F051R6
STM32F051C8, STM32F051K8, STM32F051R8,
STM32F051T8
LQFP64 10x10 mm
LQFP48 7x7 mm
UFQFPN48 7x7 mm
UFBGA64
5x5 mm
LQFP32 7x7 mm
)%*$
UFQFPN32 5x5 mm
WLCSP36
2.6x2.7 mm
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