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STMicroelectronics STM32F103ZEH6
- Part No.:
- STM32F103ZEH6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LFBGA
- Datasheet:
-
STM32F103ZEH6.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 144BGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,813
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Product details
Overview
STM32F103ZEH6 from STMicroelectronics is a high-density performance-line Arm® Cortex®-M3 microcontroller featuring 512 KB Flash, 64 KB SRAM, USB 2.0 full-speed interface, CAN 2.0B controller, and triple 12-bit ADCs with 21 channels-used in industrial motor control systems requiring real-time PWM generation, analog sensing, and fieldbus communication.
For engineers reviewing the STM32F103ZEH6 datasheet, STM32F103ZEH6 pinout, STM32F103ZEH6 application, or STM32F103ZEH6 equivalent, key selection criteria include its LFBGA144 package, 72 MHz CPU clock, 112 I/Os (5 V-tolerant), dual 12-bit DACs, and integrated FSMC for external memory expansion in embedded HMI and PLC designs.
Technical Context
The STM32F103ZEH6 implements a tightly coupled Arm Cortex-M3 core with Harvard bus architecture, supporting single-cycle multiplication and hardware division. Its nested vectored interrupt controller (NVIC) handles up to 68 maskable interrupts with configurable priority levels and low-latency response.
Peripheral integration includes a flexible static memory controller (FSMC) supporting NOR/PSRAM/NAND and CompactFlash, plus dual I2S interfaces multiplexed with SPIs, enabling audio streaming and synchronous data acquisition without external logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3, 72 MHz max - enables deterministic real-time execution of complex control algorithms with ≤1.4 µs interrupt latency. |
| Memory | 512 KB Flash + 64 KB SRAM - sufficient for bootloader, application firmware, and real-time data buffers in standalone motion controllers. |
| Analog Peripherals | 3 × 12-bit ADCs (21 ch, 1 µs conversion), 2 × 12-bit DACs - supports simultaneous current/voltage/temperature sampling and analog output for closed-loop servo feedback. |
| Timers | Up to 11 timers including 4 × 16-bit general-purpose, 2 × motor-control PWM with dead-time insertion - directly drives 3-phase inverters with emergency stop capability. |
| Communication | CAN 2.0B, USB 2.0 FS, 5 × USART, 3 × SPI, 2 × I2C - enables multi-protocol connectivity for industrial fieldbus gateways and PC-hosted configuration tools. |
| I/O Capability | 112 GPIOs, 5 V-tolerant, mapped to 16 EXTI lines - allows direct interfacing with legacy 5 V sensors, encoders, and digital I/O modules without level shifters. |
| Supply & Power | 2.0–3.6 V operation, Sleep/Stop/Standby modes, VBAT backup - supports battery-backed RTC and low-power wake-on-event in portable test equipment. |
Pinout & Package
LFBGA144 package (10 × 10 mm, 0.8 mm pitch), RoHS-compliant, ECOPACK® certified. Ball grid layout optimized for high-density PCB routing with dedicated power/ground planes and controlled impedance trace support.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Core & I/O supply rails | Dual 3.3 V domains: VDD powers core/SRAM/ADC; VSS provides clean return path-requires separate decoupling per section. |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/O banks | 112 total pins grouped into GPIOA–GPIOG; each bank supports alternate functions (e.g., TIM1_CH1 on PA8) and external interrupt mapping. |
| OSC_IN / OSC_OUT | External crystal oscillator input/output | Supports 4–16 MHz quartz; internal trimming enables ±1% accuracy for USB/CAN timing without external capacitors. |
| USB_DP / USB_DM | USB 2.0 full-speed differential pair | Integrated transceivers eliminate external PHY; requires 1.5 kΩ pull-up on DP for device enumeration. |
| CAN_RX / CAN_TX | CAN 2.0B physical layer interface | Direct connection to ISO 11898-compliant transceiver (e.g., TJA1050); supports bit rates up to 1 Mbps with programmable sample point. |
| VREF+, VREF− | ADC reference voltage inputs | Enable precise 0–3.6 V conversion range; VREF+ can be tied to VDD or external precision reference for improved linearity. |
Key Features
| Feature | Design Value |
|---|---|
| Motor Control Timers | Two 16-bit advanced-control timers with complementary outputs, programmable dead-time (1–128 ns steps), and emergency brake input-enables safe 3-phase BLDC/PMSM drive. |
| Flexible Static Memory Controller | Four chip-select outputs supporting NOR/PSRAM/NAND/CF with configurable wait states and burst mode-allows direct attachment of LCD controllers or external program memory. |
| Temperature Sensor | On-die sensor calibrated at factory (±1.5°C accuracy over 0–100°C)-provides thermal monitoring for inverter module derating without external components. |
| Serial Wire Debug | 2-pin SWD interface (SWCLK/SWDIO) with hardware trace support-enables non-intrusive real-time debugging and code profiling via ST-LINK/V2. |
| Power Management | Programmable voltage detector (PVD) with 4-level threshold selection-triggers interrupt or reset on brown-out conditions to prevent flash corruption during supply dips. |
Applications
| Industrial Motor Drive | Automated Test Equipment |
|---|---|
Use Scenario: Closed-loop control of 3-phase AC induction motors in HVAC blowers and conveyor systems. IC Role / Device Role / Timing Role: Primary MCU executing FOC algorithm, generating six-channel PWM with synchronized ADC sampling at commutation zero-crossing points. Use Value: Integrated motor timers eliminate external gate drivers and reduce BOM count; CAN interface enables remote parameter tuning and fault reporting. | Use Scenario: Modular signal generator and analyzer unit for validating sensor outputs and actuator responses. IC Role / Device Role / Timing Role: Real-time waveform synthesis via DACs, simultaneous multi-channel analog capture using triple ADCs, and USB-based PC host communication. Use Value: 1 µs ADC conversion and DMA-triggered data streaming enable 1 MSPS continuous acquisition; USB FS supports bulk transfer at >800 kB/s. |
| Building Automation Gateway | Medical Diagnostic Instrument |
Use Scenario: Protocol translation between BACnet MS/TP field devices and Ethernet backbone via CAN-to-IP bridge. IC Role / Device Role / Timing Role: Dual-CAN node managing local fieldbus traffic while running lightweight TCP/IP stack on integrated USB or external Ethernet MAC. Use Value: 112 GPIOs allow direct connection to RS-485 transceivers and status LEDs; FSMC supports external NOR flash for firmware updates over CAN. | Use Scenario: Portable ECG monitor with analog front-end, real-time QRS detection, and Bluetooth LE interface. IC Role / Device Role / Timing Role: Analog signal conditioning (ADC oversampling + digital filtering), low-power sleep scheduling, and secure firmware update via USB. Use Value: Temperature sensor and PVD ensure reliable operation under battery voltage fluctuation; 64 KB SRAM accommodates FIR filter coefficients and waveform buffers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F103ZET6 | Same LFBGA144 package, identical peripherals, but rated for -40°C to +105°C industrial temp range vs. ZEH6's -40°C to +85°C. | Suitable for extended-temperature environments like outdoor solar inverters or automotive under-hood modules. | Select ZET6 when ambient operating temperature exceeds 85°C; otherwise ZEH6 offers cost-optimized qualification for commercial/industrial indoor use. |
| STM32F407VGT6 | Cortex-M4 core, 168 MHz, FPU, 1 MB Flash, no FSMC; adds crypto accelerators and higher-resolution timers. | Better suited for floating-point intensive tasks (e.g., FFT-based vibration analysis) but lacks native FSMC for external display memory. | Choose F407VGT6 only if floating-point math or DSP extensions are required; ZEH6 remains optimal for deterministic motor control with external memory needs. |
Compared with STM32F103ZET6, the ZEH6 trades extended temperature rating for lower cost in standard industrial environments; versus STM32F407VGT6, it prioritizes deterministic real-time control and FSMC support over raw compute throughput and cryptographic features.
Availability
STM32F103ZEH6 is available at Aetrix Electronics and suitable for industrial motor drives, automated test equipment, building automation gateways, and medical diagnostic instruments requiring stable component supply across long-lifecycle production programs.
Supply support for STM32F103ZEH6 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 ICs, sensors, and analog products for industrial, automotive, and consumer markets.
The STM32F103 series targets cost-sensitive, high-reliability embedded applications demanding rich peripheral integration, robust real-time performance, and broad ecosystem support-including HAL libraries, STM32CubeMX, and community-developed RTOS ports.
FAQ
What is the maximum operating frequency and associated power consumption in Run mode?
The STM32F103ZEH6 achieves 72 MHz CPU frequency with 0-wait-state Flash access. At 72 MHz and 3.3 V supply, typical active current is 36 mA (code from Flash), rising to 42 mA with all peripherals enabled-including USB, CAN, and triple ADCs simultaneously active.
Does this MCU support external memory interfaces beyond FSMC?
No-the STM32F103ZEH6 integrates only the Flexible Static Memory Controller (FSMC) for parallel external memory. It does not include SDIO, Quad-SPI, or Octo-SPI interfaces. FSMC supports NOR, PSRAM, NAND, and CompactFlash with configurable address/data bus widths and timing registers.
Can the USB interface operate without an external crystal?
Yes-the USB 2.0 full-speed interface uses the internal 48 MHz PLL clock derived from the 8 MHz HSI RC oscillator. No external crystal is required for basic USB device functionality, though an external 8 MHz crystal improves USB timing accuracy and supports CAN synchronization.
How many independent PWM outputs can be generated simultaneously?
Using the four general-purpose 16-bit timers and two advanced motor-control timers, the STM32F103ZEH6 supports up to 28 independent PWM channels. Each timer offers multiple OC/IC channels; advanced timers provide complementary pairs with dead-time control for three-phase inverter driving.
STM32F103ZEH6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LFBGA
- Series:
- STM32F1
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 72MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals:
- DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT
- Number of I/O:
- 112
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 21x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F103ZEH6 FAQ
1.How can I place an order for STM32F103ZEH6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F103ZEH6 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 STM32F103ZEH6 reliable?
The price and inventory of STM32F103ZEH6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F103ZEH6 is usually 5 days.
3.What payment methods are accepted for STM32F103ZEH6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F103ZEH6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F103ZEH6?
STM32F103ZEH6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F103ZEH6 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 STM32F103ZEH6?
For technical support, including STM32F103ZEH6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F103ZEH6 requirements.
6.How does Aetrix verify that STM32F103ZEH6 is sourced from the original manufacturer or authorized distributors?
All STM32F103ZEH6 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 STM32F103ZEH6 meets industry standards.
7.What is the process for return or replacement of STM32F103ZEH6?
All STM32F103ZEH6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F103ZEH6, 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 STM32F103ZEH6 part is unused and in its original packaging.
Return procedure for STM32F103ZEH6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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