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STMicroelectronics STM32G483CET6
- Part No.:
- STM32G483CET6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32G483CET6.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,352
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Product details
Overview
STM32G483CET6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating at up to 170 MHz (213 DMIPS), featuring 512 KB Flash with ECC, 128 KB SRAM (96 KB + 32 KB CCM), and integrated analog peripherals including five 12-bit ADCs (0.25 µs conversion), seven 12-bit DACs, six rail-to-rail op-amps, and three FDCAN controllers - deployed in motor control and industrial sensing systems.
For engineers reviewing the STM32G483CET6 datasheet, STM32G483CET6 pinout, STM32G483CET6 application, or STM32G483CET6 equivalent, key selection considerations include its dual-bank read-while-write Flash, CORDIC/FMAC math accelerators, 5 V-tolerant GPIOs, UCPD interface for USB Type-C™ power delivery, and support for advanced motor control timing with dead-time generation and emergency stop.
Technical Context
The STM32G483CET6 implements an Adaptive Real-time Accelerator (ART) enabling zero-wait-state execution from Flash memory, paired with a Memory Protection Unit (MPU) and DSP instruction set for deterministic real-time control. Its interconnect matrix routes up to 107 fast I/Os to multiple peripherals without bus contention.
It integrates hardware cryptographic acceleration (AES-128/256), true random number generation (RNG), and dedicated analog subsystems: seven ultra-fast comparators, internal voltage reference buffer (VREFBUF) with selectable 2.048 V / 2.5 V / 2.9 V outputs, and operational amplifiers configurable in programmable-gain amplifier (PGA) mode with all terminals accessible.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU and DSP extensions, enabling floating-point math and signal processing in real time |
| Max Clock Frequency | 170 MHz (213 DMIPS), supported by ART Accelerator for zero-wait-state Flash execution |
| Flash Memory | 512 KB with ECC, dual-bank architecture allowing concurrent read/write for firmware updates |
| SRAM | 128 KB total: 96 KB general-purpose + 32 KB CCM SRAM on instruction/data bus with parity |
| Analog Peripherals | 5 × 12-bit ADCs (42 channels, 0.25 µs), 7 × 12-bit DACs (3 buffered external @ 1 MSPS), 6 op-amps (PGA-capable) |
| Timers | 17 timers including 3 advanced motor-control timers (TIM1/TIM8/TIM20) with dead-time generation and emergency stop |
| Communication | 3 × FDCAN (flexible data-rate), 5 × USART/UART, 4 × I²C (Fast Mode Plus), 4 × SPI, USB FS, SAI, UCPD for USB Type-C™ PD |
| Security & Math | AES-128/256 hardware accelerator, CORDIC for trigonometric functions, FMAC for digital filter computation |
Pinout & Package
STM32G483CET6 is packaged in LQFP48 (7 × 7 mm, 0.5 mm pitch), with 48 pins arranged in a single-row quad flat package suitable for automated assembly and thermal management in space-constrained industrial PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog supply | 1.71–3.6 V operation; separate analog domain enables noise-isolated precision measurements |
| VSS, VSSA | Digital & analog ground | Independent ground planes reduce coupling between digital switching and analog signal paths |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset button or supervisor IC integration |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD2, PF0–PF1 | General-purpose I/O | Up to 107 GPIOs; many support 5 V tolerance, external interrupts, and multiple alternate functions (e.g., TIMx, ADCx, SPIx) |
| PA13/PA14/PA15 | SWD debug interface | Serial Wire Debug (SWD) pins enable programming and real-time debugging with minimal pin count |
| PA9/PA10 | USART1 TX/RX | Default UART interface for bootloader communication, diagnostics, or host MCU interaction |
| PA11/PA12 | USB DM/DP | Full-speed USB 2.0 physical layer interface supporting LPM and battery charging detection (BCD) |
| PC13/PC14/PC15 | RTC oscillator inputs | Support external 32.768 kHz crystal for calendar RTC with alarm and periodic wakeup from Stop/Standby |
Key Features
| Feature | Design Value |
|---|---|
| CORDIC accelerator | Hardware trigonometric computation (sin/cos/tan/atan) reduces CPU load and latency in motor vector control |
| FMAC unit | Dedicated filter math accelerator enables real-time FIR/IIR filtering without CPU intervention |
| UCPD controller | Integrated USB Type-C™ Power Delivery protocol engine eliminates need for external PD controller IC |
| Advanced motor timers | TIM1/TIM8/TIM20 support complementary PWM outputs with programmable dead time and hardware emergency shutdown |
| VREFBUF | On-chip voltage reference buffer with user-selectable 2.048 V / 2.5 V / 2.9 V outputs for precise ADC/DAC reference |
| PCROP protection | Proprietary code readout protection allows secure firmware partitioning and IP protection in multi-vendor systems |
Applications
| Industrial Motor Control | Smart Power Metering |
|---|---|
|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC/PMSM motors in HVAC compressors and pump drives. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing gate drivers via complementary PWM, and sampling current/voltage sensors at 20+ kHz. Use Value: CORDIC and FMAC offload >40% of CPU cycles during real-time vector math and current loop filtering, enabling 170 MHz headroom for communication and safety monitoring. |
Use Scenario: DIN-rail mounted electricity meter with harmonic analysis, tamper detection, and DLMS/COSEM protocol stack. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC oversampling, AES-encrypted data storage, and dual-band (PLC + RF) communication stacks. Use Value: Five synchronized 12-bit ADCs with hardware oversampling achieve Class 0.2 accuracy; AES hardware encrypts billing data without compromising real-time sampling throughput. |
| Programmable Logic Controller (PLC) I/O Module | USB-C Powered Industrial Sensor Hub |
|
Use Scenario: Compact remote I/O module with analog input (4–20 mA), digital input/output, and EtherCAT slave interface. IC Role / Device Role / Timing Role: Deterministic real-time controller managing cyclic process data exchange, local PID loops, and diagnostic LED sequencing. Use Value: MPU enforces strict memory isolation between EtherCAT stack, application logic, and firmware update handler; low-power timers maintain precise 1 ms task scheduling in Stop mode. |
Use Scenario: Multi-sensor node (temperature, humidity, vibration) powered and configured over USB-C with PD negotiation. IC Role / Device Role / Timing Role: Central sensor aggregator with UCPD handling PD contract negotiation, while ADC/DAC manage analog sensor conditioning and calibration. Use Value: Integrated UCPD eliminates external PD controller; VREFBUF provides stable reference for high-accuracy sensor ADCs across varying input voltage (5–20 V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G474RET6 | Same core/peripherals but 512 KB Flash, 128 KB SRAM, no UCPD or CORDIC/FMAC accelerators | Lacks USB-C PD and math accelerators; suitable for cost-sensitive motor control without FOC or PD requirements | Select when UCPD and hardware math acceleration are not required; lower BOM cost and identical pinout in LQFP64 |
| STM32H743VIT6 | Higher-performance dual-core (Cortex-M7/M4), 2 MB Flash, 1 MB RAM, no UCPD, different package (LQFP100) | Targeted at complex HMI + real-time control; lacks integrated USB-C PD but adds DSI, Ethernet, and larger memory | Choose for applications needing >200 MHz performance, large TFT display, or Ethernet connectivity - not drop-in compatible due to pin count and peripheral mapping |
Compared with STM32G474RET6, the STM32G483CET6 adds critical USB-C PD and math acceleration for compact smart peripherals; versus STM32H743VIT6, it trades raw compute for integrated analog and power delivery features in a smaller 48-pin footprint ideal for space-constrained edge nodes.
Availability
STM32G483CET6 is available at Aetrix Electronics and suitable for industrial motor control, smart metering, PLC I/O modules, and USB-C powered sensor hubs requiring stable component supply across extended product lifecycles.
Supply support for STM32G483CET6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components.
The STM32G4 series targets high-efficiency digital power conversion, motor control, and analog-intensive industrial applications - combining real-time performance, rich analog integration, and hardware security in a scalable ARM Cortex-M4 platform.
FAQ
What is the maximum operating temperature range for STM32G483CET6?
The STM32G483CET6 is rated for industrial temperature range: –40 °C to +85 °C ambient, validated per ST's qualification standards (AEC-Q100 not applicable; intended for industrial, not automotive, use). Thermal derating begins above 85 °C ambient, and junction temperature must remain ≤125 °C under all operating conditions.
Does STM32G483CET6 support hardware encryption beyond AES?
Yes - in addition to AES-128/256 hardware acceleration, the device includes a true random number generator (TRNG) compliant with NIST SP800-90B, CRC calculation unit for data integrity, and secure memory areas with PCROP for firmware IP protection. It does not include SHA or RSA accelerators.
Can the CORDIC unit be used for non-motor-control applications?
Yes - the CORDIC accelerator computes sin/cos/tan/atan, magnitude/phase, and hyperbolic functions in fixed-point arithmetic. It is widely used in digital power supply control (e.g., PLL phase tracking), audio beamforming, and sensor fusion algorithms where low-latency trigonometric math is required.
Is the UCPD interface fully compliant with USB Type-C™ Specification Revision 2.1?
Yes - the integrated UCPD controller supports USB Type-C™ v2.1, including PD 3.0 with Fast Role Swap (FRS), programmable power supply (PPS), and vendor-defined messages (VDMs). It requires external CC logic (e.g., TUSB320) for full port controller functionality but handles PD protocol stack and BMC encoding/decoding internally.
STM32G483CET6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32G4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4
- Core Size:
- 32-Bit Single-Core
- Speed:
- 170MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 38
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- A/D 20x12b; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G483CET6 FAQ
1.How can I place an order for STM32G483CET6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G483CET6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32G483CET6 reliable?
The price and inventory of STM32G483CET6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G483CET6 is usually 5 days.
3.What payment methods are accepted for STM32G483CET6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G483CET6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G483CET6?
STM32G483CET6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G483CET6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32G483CET6?
For technical support, including STM32G483CET6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G483CET6 requirements.
6.How does Aetrix verify that STM32G483CET6 is sourced from the original manufacturer or authorized distributors?
All STM32G483CET6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32G483CET6 meets industry standards.
7.What is the process for return or replacement of STM32G483CET6?
All STM32G483CET6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G483CET6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32G483CET6 part is unused and in its original packaging.
Return procedure for STM32G483CET6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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