感谢管理“Seven”，因为工作原因不能实地参加STM32的深圳会议，在seven管理的热心组织下，通过线上直播让我了解了这一次的技术盛况，从开始的技术讲解到后期的竞赛直播，各个阶段都充分体现了专业性、素养性。不但使我学习了知识，同时也更好的了解了STM32的相关技术和使用场景，对我个人是一个很大的提升，在此对ST公司和seven管理再次表示感谢。
在黑客松的比赛中通过各个参赛队伍的作品，看到了不同的创意，产品技术是固定的，关键看人怎么使用。同样的平台，不同的思考方向，差异化的使用方法，打造出不同的产品方案。十分棒。在观看的过程中有幸获得抽奖奖品“STM32G474”，目前已经收到。谢谢。
希望以后的活动更加丰富，开发出更多的产品。
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描述
The STM32G474xB/xC/xE devices are based on the high-performance Arm® Cortex®-M4 32-bit RISC core. They operate at a frequency of up to 170 MHz. The Cortex-M4 core features a single-precision floating-point unit (FPU), which supports all the Arm single-precision data-processing instructions and all the data types. It also implements a full set of DSP (digital signal processing) instructions and a memory protection unit (MPU) which enhances the application’s security.
; W! H! }$ Q4 Z& Q. dThese devices embed high-speed memories (512 Kbytes of Flash memory, and 128 Kbytes of SRAM), a flexible external memory controller (FSMC) for static memories (for devices with packages of 100 pins and more), a Quad SPI Flash memory interface, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
) P# p; b1 [  P% J/ B; @8 H4 |3 e6 TThe devices also embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, securable memory area and proprietary code readout protection.
; E/ E3 a3 Z; E  pThe devices embed peripherals allowing mathematical/arithmetic function acceleration (CORDIC for trigonometric functions and FMAC unit for filter functions).
' X) N7 s+ R3 X9 u, qThey offer five fast 12-bit ADCs (5 Msps), seven comparators, six operational amplifiers, seven DAC channels (3 external and 4 internal), an internal voltage reference buffer, a low-power RTC, two general-purpose 32-bit timers, three 16-bit PWM timers dedicated to motor control, seven general-purpose 16-bit timers, and one 16-bit low-power timer, and high resolution timer with 184 ps resolution.
8 N; [# h7 W9 X+ HThey also feature standard and advanced communication interfaces such as:
3 |2 N6 u% ?/ P4 u+ ]% t$ r所有功能
Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait-state execution from Flash memory, frequency up to 170 MHz with 213 DMIPS, MPU, DSP instructions
Operating conditions:
- A+ N" Y+ \3 }1 {! V# U5 AVDD, VDDA voltage range: 1.71 V to 3.6 V
1 z0 t9 G8 G& a- J* Q: V$ wMathematical hardware accelerators
CORDIC for trigonometric functions acceleration
9 \- p! i! t9 }) i/ fFMAC: filter mathematical accelerator
6 k9 O4 e/ Q+ f$ x# `) O8 ]Memories
3 a" G3 X5 A) P! @512 Kbytes of Flash memory with ECC support, two banks read-while-write, proprietary code readout protection (PCROP), securable memory area, 1 Kbyte OTP
7 |& M# [4 p# T" V0 L& e4 S6 g96 Kbytes of SRAM, with hardware parity check implemented on the first 32 Kbytes
Routine booster: 32 Kbytes of SRAM on instruction and data bus, with hardware parity check (CCM SRAM)
External memory interface for static memories FSMC supporting SRAM, PSRAM, NOR and NAND memories
( F  X9 P/ ]- p. i% E) l4 IQuad-SPI memory interface
Reset and supply management
Power-on/power-down reset (POR/PDR/BOR)
6 B  ~& ]# X) m$ A, l( `Programmable voltage detector (PVD)
Low-power modes: sleep, stop, standby and shutdown
4 q" b( E! K; ?: l- d) h3 o4 YVBAT supply for RTC and backup registers
Clock management
4 to 48 MHz crystal oscillator
32 kHz oscillator with calibration
Internal 16 MHz RC with PLL option (± 1%)
$ B- C2 }4 b" V$ a3 kInternal 32 kHz RC oscillator (± 5%)
Up to 107 fast I/Os
6 k2 @6 a! b$ Q! f7 S7 kAll mappable on external interrupt vectors
+ g" r! R, D+ R$ \- x5 W, ?Several I/Os with 5 V tolerant capability
) n4 y0 M' o' C( `% ?Interconnect matrix
16-channel DMA controller
! ?* C' }; ^4 |% k$ l5 x 12-bit ADCs 0.25 µs, up to 42 channels. Resolution up to 16-bit with hardware oversampling, 0 to 3.6 V conversion range
8 {9 j: m* _  S- w; }% Y7 x 12-bit DAC channels
7 K$ u+ ^' O# f3 x buffered external channels 1 MSPS
2 A: |* l- ]  @* t8 P) \! Y4 x unbuffered internal channels 15 MSPS
7 x ultra-fast rail-to-rail analog comparators
6 x operational amplifiers that can be used in PGA mode, all terminals accessible
Internal voltage reference buffer (VREFBUF) supporting three output voltages (2.048 V, 2.5 V, 2.95 V)
17 timers:
HRTIM (Hi-Resolution and complex waveform builder): 6 x16-bit counters, 184 ps resolution, 12 PWM
2 x 32-bit timer and 2 x 16-bit timers with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
3 x 16-bit 8-channel advanced motor control timers, with up to 8 x PWM channels, dead time generation and emergency stop
1 x 16-bit timer with 2 x IC/OCs, one OCN/PWM, dead time generation and emergency stop
2 x 16-bit timers with IC/OC/OCN/PWM, dead time generation and emergency stop
2 x watchdog timers (independent, window)
1 x SysTick timer: 24-bit downcounter
! Z  y; v& b& K3 C& _2 x 16-bit basic timers
  T5 ?( [6 O) s# K1 x low-power timer
) K# r: R3 }5 H  S9 p) [9 r8 ]' t" sCalendar RTC with alarm, periodic wakeup from stop/standby
, n: S# ^; u- d4 cCommunication interfaces
1 E1 O8 i4 T# ^  I% m% M3 z) |3 x FDCAN controller supporting flexible data rate
4 x I2C Fast mode plus (1 Mbit/s) with 20 mA current sink, SMBus/PMBus, wakeup from stop
3 e8 G- g$ F# U# u6 C. e5 x USART/UARTs (ISO 7816 interface, LIN, IrDA, modem control)
1 x LPUART
5 ]$ j9 c8 s. y# Y4 x SPIs, 4 to 16 programmable bit frames, 2 x with multiplexed half duplex I2S interface
- M; r: m7 U, p$ g1 x SAI (serial audio interface)
USB 2.0 full-speed interface with LPM and BCD support
; I8 L- B1 g4 S/ p7 h6 u1 X, n8 o/ xIRTIM (infrared interface)
USB Type-C™ /USB power delivery controller (UCPD)
True random number generator (RNG)
CRC calculation unit, 96-bit unique ID
Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™