STM32G473xB STM32G473xC
STM32G473xE
Arm
®
Cortex
®
-M4 32-bit MCU+FPU, up to 512 KB Flash, 170 MHz /
213DMIPS, 128 KB SRAM, rich analog, math accelerator
Datasheet
-
production data
Features
Includes ST state-of-the-art patented
technology
•
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:
– V
DD
, V
DDA
voltage range:
1.71 V to 3.6 V
•
Mathematical hardware accelerators
– CORDIC for trigonometric functions
acceleration
– FMAC: filter mathematical accelerator
•
Memories
– 512 Kbytes of Flash memory with ECC
support, two banks read-while-write,
proprietary code readout protection
(PCROP), securable memory area, 1 Kbyte
OTP
– 96 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
– Quad-SPI memory interface
•
Reset and supply management
– Power-on/power-down reset
(POR/PDR/BOR)
– Programmable voltage detector (PVD)
– Low-power modes: sleep, stop, standby
and shutdown
– V
BAT
supply for RTC and backup registers
LQFP48 (7 x 7 mm)
LQFP64 (10 x 10 mm)
LQFP80 (12 x 12 mm)
LQFP100 (14 x 14 mm)
LQFP128 (14 x 14 mm)
UFQFPN48
(7 x 7 mm)
WLCSP81
(4.02 x 4.27 mm)
UFBGA121
(6 x 6 mm)
TFBGA100
(8 x 8 mm)
•
Clock management
– 4
to
48 MHz crystal oscillator
– 32 kHz oscillator with calibration
– Internal 16 MHz RC with PLL option (± 1%)
–
Internal
32 kHz RC oscillator (± 5%)
•
Up to 107 fast I/Os
– All mappable on external interrupt vectors
– Several I/Os with 5 V tolerant capability
•
Interconnect matrix
•
16-channel DMA controller
•
5 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
•
7 x 12-bit DAC channels
– 3 x buffered external channels 1 MSPS
– 4 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, 2.9 V)
•
14 timers:
– 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
1/229
www.st.com
November 2021
This is information on a product in full production.
DS12712 Rev 4
STM32G473xB STM32G473xC STM32G473xE
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
2 x 16-bit basic timers
1 x low-power timer
– 5 x USART/UARTs (ISO 7816 interface,
LIN, IrDA, modem control)
– 1 x LPUART
– 4 x SPIs, 4 to 16 programmable bit frames,
2 x with multiplexed half duplex I
2
S
interface
– 1 x SAI (serial audio interface)
– USB 2.0 full-speed interface with LPM and
BCD support
– IRTIM (infrared interface)
– USB Type-C™ /USB power delivery
controller (UCPD)
•
True random number generator (RNG)
–
–
–
–
–
–
•
Calendar RTC with alarm, periodic wakeup
from stop/standby
•
Communication interfaces
•
CRC calculation unit, 96-bit unique ID
– 3 x FDCAN controller supporting flexible
•
Development support: serial wire debug
data rate
(SWD), JTAG, Embedded Trace Macrocell™
2
– 4 x I C Fast mode plus (1 Mbit/s) with
20 mA current sink, SMBus/PMBus,
wakeup from stop
Table 1. Device summary
Reference
STM32G473xB
STM32G473xC
STM32G473xE
Part number
STM32G473CB, STM32G473MB, STM32G473PB,
STM32G473RB, STM32G473VB, STM32G473QB
STM32G473CC, STM32G473MC, STM32G473PC,
STM32G473RC, STM32G473VC, STM32G473QC
STM32G473CE, STM32G473ME, STM32G473PE,
STM32G473RE, STM32G473VE, STM32G473QE
2/229
DS12712 Rev 4
STM32G473xB STM32G473xC STM32G473xE
Contents
Contents
1
2
3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
Arm
®
Cortex
®
-M4 core with FPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Adaptive real-time memory accelerator (ART accelerator) . . . . . . . . . . . 17
Memory protection unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Embedded Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Embedded SRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Multi-AHB bus matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
CORDIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Filter mathematical accelerator (FMAC) . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Cyclic redundancy check calculation unit (CRC) . . . . . . . . . . . . . . . . . . . 21
Power supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.11.1
3.11.2
3.11.3
3.11.4
3.11.5
3.11.6
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Reset mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
VBAT operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.12
3.13
3.14
3.15
3.16
3.17
Interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Clocks and startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 28
Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 28
DMA request router (DMAMUX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.17.1
3.17.2
Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 29
Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 29
Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.18
Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.18.1
DS12712 Rev 4
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6
Contents
3.18.2
3.18.3
3.18.4
STM32G473xB STM32G473xC STM32G473xE
Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . 31
VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Operational amplifier internal output (OPAMPxINT): . . . . . . . . . . . . . . . 31
3.19
3.20
3.21
3.22
3.23
3.24
Digital to analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Voltage reference buffer (VREFBUF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Operational amplifier (OPAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.24.1
3.24.2
3.24.3
3.24.4
3.24.5
3.24.6
3.24.7
Advanced motor control timer (TIM1, TIM8, TIM20) . . . . . . . . . . . . . . . 34
General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16,
TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Basic timers (TIM6 and TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Low-power timer (LPTIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
3.39
Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 37
Tamper and backup registers (TAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Infrared transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Inter-integrated circuit interface (I
2
C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Universal synchronous/asynchronous receiver transmitter (USART) . . . 40
Low-power universal asynchronous receiver transmitter (LPUART) . . . . 41
Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Serial audio interfaces (SAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Controller area network (FDCAN1, FDCAN2, FDCAN3) . . . . . . . . . . . . . 43
Universal serial bus (USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
USB Type-C™ / USB Power Delivery controller (UCPD) . . . . . . . . . . . . . 43
Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 44
Quad-SPI memory interface (QUADSPI) . . . . . . . . . . . . . . . . . . . . . . . . . 45
Development support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.39.1
3.39.2
Serial wire JTAG debug port (SWJ-DP) . . . . . . . . . . . . . . . . . . . . . . . . . 46
Embedded trace macrocell™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
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Contents
4
Pinouts and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
UFQFPN48 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
LQFP48 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
LQFP64 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
LQFP80 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
LQFP100 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
LQFP128 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
WLCSP81 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
TFBGA100 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
UFBGA121 pinout description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Alternate functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.1
Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7
Minimum and maximum values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typical values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Typical curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Loading capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Power supply scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Current consumption measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.2
5.3
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.3.8
5.3.9
5.3.10
5.3.11
General operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Operating conditions at power-up / power-down . . . . . . . . . . . . . . . . . . 82
Embedded reset and power control block characteristics . . . . . . . . . . . 82
Embedded voltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Supply current characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Wakeup time from low-power modes and voltage scaling
transition times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
External clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Internal clock source characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 117
PLL characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Flash memory characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
EMC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
DS12712 Rev 4
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6
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