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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

STMicroelectronics STM32F207ZCT7TR

Name: STM32F207ZCT7TR
Brand: STMicroelectronics
SKU: STM32F207ZCT7TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F207ZCT7TR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 144-LQFP

Datasheet:: STM32F207ZCT7TR.pdf

Description:: IC MCU 32BIT 256KB FLASH 144LQFP

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Product details

Overview

STM32F207ZCT7TR from STMicroelectronics is a high-performance Arm® Cortex®-M3 microcontroller featuring 120 MHz CPU frequency, 256 KB Flash, 64+4 KB SRAM, dual CAN 2.0B interfaces, 10/100 Ethernet MAC with IEEE 1588v2 hardware support, and USB OTG HS/FS controllers - deployed in industrial gateways requiring real-time protocol bridging and deterministic network timing.

For engineers reviewing the STM32F207ZCT7TR datasheet, STM32F207ZCT7TR pinout, STM32F207ZCT7TR application, or STM32F207ZCT7TR equivalent, key selection criteria include Ethernet MAC + IEEE 1588v2 hardware timestamping capability, dual-CAN bus arbitration support, parallel camera interface (DCMI) bandwidth up to 48 MB/s, and 140 I/Os with 5 V tolerance for mixed-voltage system interfacing.

Technical Context

The STM32F207ZCT7TR integrates a Cortex-M3 core with Adaptive Real-Time Accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash at 120 MHz, and includes a multi-AHB bus matrix for concurrent access to Flash, SRAM, and peripherals. Its memory protection unit (MPU) supports secure task isolation in RTOS environments.

It features a dedicated Ethernet MAC DMA engine with MII/RMII physical layer support, hardware-accelerated IEEE 1588v2 timestamping, and dual CAN 2.0B controllers with programmable message filtering - enabling deterministic time-synchronized communication in industrial automation and power grid monitoring systems.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M3 @ 120 MHz - delivers 150 DMIPS; ART Accelerator enables zero-wait-state Flash execution for deterministic real-time response.
Memory	256 KB Flash + 64 KB SRAM + 4 KB backup SRAM - sufficient for dual-protocol stacks (e.g., Modbus TCP + CANopen) with retained context in Stop mode.
Ethernet Interface	10/100 MAC with IEEE 1588v2 hardware timestamping - enables sub-microsecond time synchronization without software overhead in precision timing applications.
CAN Interfaces	2 × CAN 2.0B controllers - supports redundant fieldbus communication or multi-bus diagnostics in automotive test equipment and energy metering gateways.
USB Support	OTG HS/FS with dedicated DMA and on-chip PHY - allows simultaneous host/device operation for firmware updates via USB mass storage and device-class peripheral control.
ADC/DAC	3 × 12-bit ADCs (up to 6 MSPS triple interleaved), 2 × 12-bit DACs - suitable for closed-loop analog signal acquisition and waveform generation in motor control feedback paths.
I/O Count & Tolerance	114 I/Os in LQFP144 package, 138 of which are 5 V-tolerant - simplifies level-shifting design when interfacing with legacy 5 V sensors and logic.

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, industrial temperature range (–40°C to +105°C).

Pin/Terminal	Circuit Role	Design Meaning
VDD/VSS	Core & I/O Power Supply / Ground	Dual power domains: VDD (1.8–3.6 V) powers core/SRAM; VDDIO supplies I/Os independently - enables flexible voltage domain partitioning.
PA0–PA15, PB0–PB15, etc.	General-purpose I/O	114 user-configurable pins supporting multiple alternate functions (e.g., ETH_MII, CAN_RX/TX, DCMI_D0–D7); all 5 V-tolerant except JTAG/SWD pins.
PH0/PH1	HSE Oscillator Input/Output	Connects to external 4–26 MHz crystal - provides precise clock source for Ethernet MAC and USB PLLs with ±50 ppm stability requirement.
PA12/PA11	USB OTG FS D+/D−	Dedicated full-speed USB transceiver pins with internal pull-ups - eliminates need for external termination resistors in FS device mode.
PC11/PC12	ETH_RMII REF_CLK / CRS_DV	RMII interface signals for 10/100 Ethernet PHY connection - enables compact 2-layer PCB layout with minimal trace skew for timing-critical RMII clock path.

Key Features

Feature	Design Value
Flexible Static Memory Controller (FSMC)	Supports NOR, PSRAM, NAND, and CompactFlash - enables direct attachment of external display frame buffers or FPGA configuration memory without glue logic.
Digital Camera Interface (DCMI)	8–14-bit parallel input, up to 48 MB/s throughput - captures VGA@30 fps or QVGA@60 fps video streams for embedded vision preprocessing in security edge nodes.
CRC Calculation Unit	Hardware-accelerated CRC-32 generator - offloads checksum computation from CPU during firmware OTA updates or Ethernet frame integrity verification.
True Random Number Generator (RNG)	NIST SP800-90B compliant entropy source - provides cryptographically secure seeds for TLS handshake and secure boot key derivation.
Backup Domain Resources	RTC + 20 × 32-bit backup registers + optional 4 KB backup SRAM - retains timekeeping and critical state across power cycles in smart metering applications.

Applications

Industrial Ethernet Gateway

Automotive Diagnostic Tool

Use Scenario: Protocol translation between CAN FD vehicle networks and EtherNet/IP factory floor systems.

IC Role / Device Role / Timing Role: Dual-CAN + Ethernet MAC co-processor managing time-stamped packet forwarding and deterministic latency control.

Use Value: Hardware IEEE 1588v2 timestamping ensures <1 µs clock synchronization accuracy across distributed PLCs without external timing modules.

Use Scenario: Handheld OBD-II scanner supporting UDS, KWP2000, and DoIP diagnostics over USB and Wi-Fi.

IC Role / Device Role / Timing Role: Central MCU executing diagnostic stack while managing USB OTG host mode for ECU firmware flashing and CAN bus traffic analysis.

Use Value: Dual CAN controllers allow simultaneous monitoring of powertrain and body networks, reducing diagnostic session setup time by 40% vs single-CAN solutions.

Smart Energy Meter Hub

Networked Motor Control Drive

Use Scenario: Aggregating data from multiple DIN-rail meters via RS-485 Modbus and reporting to cloud via Ethernet/Wi-Fi.

IC Role / Device Role / Timing Role: Real-time data concentrator with RTC-backed logging, secure boot, and TLS 1.2 offload via RNG and AES acceleration.

Use Value: 4 KB backup SRAM preserves 72 hours of interval energy data during mains outage - meets IEC 62056-21 data retention requirements.

Use Scenario: Closed-loop servo drive with position feedback via encoder and analog current sensing.

IC Role / Device Role / Timing Role: Motion controller running FOC algorithm using triple-interleaved ADC sampling at 6 MSPS and PWM generation with 125 ps resolution.

Use Value: Twelve 16-bit timers with quadrature encoder input support enable precise rotor position tracking and commutation timing for BLDC motors up to 20 kHz switching frequency.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-connectivity MCU applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F407VGT6	Higher CPU speed (168 MHz), larger Flash (1 MB), no IEEE 1588v2 hardware timestamping; adds FPU and DSP instructions.	Lacks dedicated Ethernet timestamping engine - requires software timestamping with >2 µs jitter, unsuitable for sub-µs PTP synchronization.	Select when floating-point math or higher throughput is prioritized over deterministic Ethernet timing.
STM32H743ZIT6	Dual-core (Cortex-M7/M4), 2 MB Flash, 1 MB RAM, supports TSN; includes advanced crypto accelerators and dual Ethernet with AVB/TSN.	Over-spec for cost-sensitive industrial gateways; requires more complex power sequencing and thermal management.	Select only when Time-Sensitive Networking (TSN) or dual-core RTOS partitioning is required for safety-critical separation.

Compared with STM32F407VGT6, the STM32F207ZCT7TR provides superior deterministic Ethernet timing via hardware IEEE 1588v2 support, while STM32H743ZIT6 introduces unnecessary complexity and BOM cost for applications not requiring TSN or dual-core isolation.

Availability

STM32F207ZCT7TR is available at Aetrix Electronics and suitable for industrial gateways, smart metering hubs, and automotive diagnostic tools requiring stable component supply, long-term lifecycle assurance, and qualified sourcing for production ramp.

Supply support for STM32F207ZCT7TR 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, specializing in microcontrollers, power management, and sensor technologies for industrial, automotive, and consumer markets.

The STM32F2 series targets high-performance connectivity applications, emphasizing integrated Ethernet, dual CAN, USB OTG, and real-time peripheral control - designed specifically for industrial IoT edge nodes requiring protocol bridging and deterministic timing.

FAQ

What is the maximum operating temperature rating for STM32F207ZCT7TR?

The STM32F207ZCT7TR is rated for industrial temperature range: –40°C to +105°C ambient. This specification is validated per ST's qualification standard AEC-Q100 Grade 3 and applies to the LQFP144 package with proper PCB thermal vias and copper pour. Junction temperature must remain below 125°C under continuous 120 MHz operation with all peripherals active.

Does STM32F207ZCT7TR support hardware encryption acceleration?

No, the STM32F207ZCT7TR does not include dedicated cryptographic accelerators (e.g., AES, SHA, PKA). It relies on software libraries for TLS and secure boot. However, its True Random Number Generator (RNG) is NIST SP800-90B compliant and provides entropy for key generation, and the CRC unit accelerates checksum operations used in firmware signature verification.

Can the Ethernet MAC operate in RMII mode with external PHY?

Yes, the STM32F207ZCT7TR supports both MII and RMII physical layer interfaces. In RMII mode, it uses 12 pins (including REF_CLK, CRS_DV, TX_EN, TXD[1:0], RXD[1:0]) to connect to standard RMII-compliant PHYs such as the LAN8720A or DP83848. The internal 50 MHz REF_CLK must be provided by the PHY or an external oscillator synchronized to the Ethernet clock domain.

Is the STM32F207ZCT7TR pin-compatible with other STM32F207 variants in LQFP144?

Yes, all STM32F207xx devices in LQFP144 (e.g., STM32F207VCT6, STM32F207ZET6) share identical pinouts and electrical characteristics. Differences are limited to Flash/RAM size and feature enablement (e.g., some variants omit Ethernet or DCMI), but pin-for-pin replacement is supported within the same package - enabling scalable BOM management across performance tiers.

STM32F207ZCT7TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 144-LQFP

Series:: STM32F2

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M3

Core Size:: 32-Bit Single-Core

Speed:: 120MHz

Connectivity:: CANbus, Ethernet, I2C, IrDA, LINbus, Memory Card, SPI, UART/USART, USB OTG

Peripherals:: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT

Number of I/O:: 114

Program Memory Size:: 256KB (256K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 132K x 8

Voltage - Supply (Vcc/Vdd):: 1.8V ~ 3.6V

Data Converters:: A/D 24x12b; D/A 2x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32F207ZCT7TR FAQ

1.How can I place an order for STM32F207ZCT7TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F207ZCT7TR 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 STM32F207ZCT7TR reliable?

The price and inventory of STM32F207ZCT7TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F207ZCT7TR is usually 5 days.

3.What payment methods are accepted for STM32F207ZCT7TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F207ZCT7TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F207ZCT7TR?

STM32F207ZCT7TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F207ZCT7TR 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 STM32F207ZCT7TR?

For technical support, including STM32F207ZCT7TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F207ZCT7TR requirements.

6.How does Aetrix verify that STM32F207ZCT7TR is sourced from the original manufacturer or authorized distributors?

All STM32F207ZCT7TR 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 STM32F207ZCT7TR meets industry standards.

7.What is the process for return or replacement of STM32F207ZCT7TR?

All STM32F207ZCT7TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F207ZCT7TR, 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 STM32F207ZCT7TR part is unused and in its original packaging.

Return procedure for STM32F207ZCT7TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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