STM32F050G6 Datasheet PDF - STMicroelectronics

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STM32F050G6
STMicroelectronics

Part Number STM32F050G6
Description (STM32F050x4 / STM32F050x6) 32-bit MCU
Page 30 Pages


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STM32F050x4 STM32F050x6
Low- and medium-density advanced ARM™-based 32-bit MCU with
up to 32 Kbytes Flash, timers, ADC and comm. interfaces
Datasheet production data
Features
Core: ARM 32-bit Cortex™-M0 CPU,
frequency up to 48 MHz
Memories
– 16 to 32 Kbytes of Flash memory
– 4 Kbytes of SRAM with HW parity checking
CRC calculation unit
Reset and supply management
– Voltage range: 2.0 V to 3.6 V
– Power-on/Power-down reset (POR/PDR)
– Programmable voltage detector (PVD)
– Low power modes: Sleep, Stop and
Standby
– VBAT 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 39 fast I/Os
– All mappable on external interrupt vectors
– Up to 25 I/Os with 5 V tolerant capability
5-channel DMA controller
1 × 12-bit, 1.0 µs ADC (up to 10 channels)
– Conversion range: 0 to 3.6V
– Separate analog supply from 2.4 up to
3.6 V
Up to 9 timers
– 1 x 16-bit 7-channel advanced-control timer
for 6 channels PWM output, with deadtime
generation and emergency stop
– 1 x 32-bit and 1 x 16-bit timer, with up to 4
IC/OC, usable for IR control decoding
– 1 x 16-bit timer, with 2 IC/OC, 1 OCN,
deadtime generation and emergency stop
– 1 x 16-bit timer, with IC/OC and OCN,
deadtime generation, emergency stop and
modulator gate for IR control
LQFP48 7x7
UFQFPN32 5x5
UFQFPN28 4x4
TSSOP20
– 1 x 16-bit timer with 1 IC/OC
– Independent and system watchdog timers
– SysTick timer: 24-bit downcounter
Calendar RTC with alarm and periodic wakeup
from Stop/Standby
Communication interfaces
– 1 x I2C interface; supporting Fast Mode
Plus (1 Mbit/s) with 20 mA current sink,
SMBus/PMBus, and wakeup from STOP
http://www.DataSheet4U.com/
1 x USART supporting master synchronous
SPI and modem control; one with ISO7816
interface, LIN, IrDA capability auto baud
rate detection and wakeup feature
1 x SPI (18 Mbit/s) with 4 to 16
programmable bit frames, with I2S interface
multiplexed
Serial wire debug (SWD)
96-bit unique ID
Extended temperature range: -40 to +105°C
Table 1. Device summary
Reference
Part number
STM32F050x4
STM32F050F4, STM32F050G4, STM32F050K4,
STM32F050C4
STM32F050x6
STM32F050F6, STM32F050G6, STM32F050K6,
STM32F050C6
November 2012
This is information on a product in full production.
Doc ID 023683 Rev 1
1/97
www.st.com
1



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Contents
Contents
STM32F050xx
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1 ARM® CortexTM-M0 core with embedded Flash and SRAM . . . . . . . . . 12
3.2 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 13
3.5 Power management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.2 Power supply supervisors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.4 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6 Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.7 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.8 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . 16
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3.9 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.9.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 16
3.9.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . . 16
3.10 Analog to digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.11 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.11.2 General-purpose timers (TIM2..3, TIM14..17) . . . . . . . . . . . . . . . . . . . . 18
3.11.3 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.11.4 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.11.5 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.12 Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 20
3.13 Inter-integrated circuit interface (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.14 Universal synchronous/asynchronous receiver transmitter (USART) . . . 21
3.15 Serial peripheral interface (SPI)/Inter-integrated sound interfaces (I2S) . 22
2/97 Doc ID 023683 Rev 1



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STM32F050xx
Contents
3.16 Serial wire debug port (SW-DP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5 Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.1 Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.2 Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.3 Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.4 Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.5 Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1.6 Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.1.7 Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.3 Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.3.1 General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.3.2 Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 40
6.3.3 Embedded reset and power control block characteristics . . . . . . . . . . . 40
6.3.4
Embedded reference voltagehttp://www.DataSheet4U.com/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.3.5 Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.3.6 External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
6.3.7 Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.3.8 PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.3.9 Memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.3.10 EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.3.11 Electrical sensitivity characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
6.3.12 I/O current injection characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
6.3.13 I/O port characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.3.14 NRST pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
6.3.15 12-bit ADC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.3.16 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3.17 VBAT monitoring characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3.18 Timer characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3.19 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Doc ID 023683 Rev 1
3/97



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Contents
STM32F050xx
7 Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
7.1 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
7.2 Thermal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.2.1 Reference document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.2.2 Selecting the product temperature range . . . . . . . . . . . . . . . . . . . . . . . . 93
8 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
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4/97 Doc ID 023683 Rev 1



STM32F050G6 datasheet pdf
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