STMicroelectronics

STM32F205ZET6 - 32-bit ARM Cortex-M3 MCU, 512KB Flash | STMicroelectronics

料号: STM32F205ZET6 ✓ 量产中
有现货 1-3 个工作日内发货
1.8V to 3.6V Vdss LQFP144 (20x20 mm) Package 120 MHz Speed 512 KB Memory
低至 $8.1 USD / 件
最小起订量: 1 |
价格更新于: 2026-08-17
批量定价
数量 单价 小计
1 $12.5 $12.50
10 $11.2 $112.00
100 $9.8 $980.00
500 $8.9 $4,450.00
1,000 $8.1 $8,100.00
ℹ️ 所有价格均以 USD 计价

STM32F205ZET6 概述

The STMicroelectronics STM32F205ZET6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M3 core, operating at up to 120 MHz. It features 512 KB of Flash memory and 128 KB of SRAM, making it suitable for a wide range of embedded applications. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch, providing ample GPIOs and connectivity options.

What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of embedded systems, enabling control, monitoring, and communication in applications ranging from consumer electronics to industrial automation. The STM32F205ZET6 belongs to the STM32F2 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers based on the ARM Cortex-M processor. This family hierarchy positions the STM32F205ZET6 as a high-performance MCU with advanced connectivity and rich analog peripherals.

Key features of the STM32F205ZET6 include a 32-bit ARM Cortex-M3 CPU with adaptive real-time accelerator (ART) allowing 0-wait state execution from Flash, a memory protection unit (MPU), and a comprehensive set of peripherals. It offers up to 114 I/O ports, 3x 12-bit ADCs, 2x DACs, 12-bit timers, and advanced communication interfaces including USB 2.0 OTG HS/FS, Ethernet MAC, CAN, SPI, I2C, USART, and SDIO. The device operates from a 1.8V to 3.6V power supply and supports a temperature range of -40°C to +85°C (industrial grade).

Technically, the STM32F205ZET6 is built on a 90nm process technology, enabling high clock speeds with low power consumption. It includes a nested vectored interrupt controller (NVIC) for efficient interrupt handling, a DMA controller with 16 channels, and a true random number generator (RNG). The device also features a real-time clock (RTC) with calendar and alarm functions, and a flexible static memory controller (FSMC) for external memory expansion.

Typical applications include industrial control systems, motor drives, medical devices, consumer electronics, and IoT gateways. Its rich connectivity and high processing power make it ideal for applications requiring real-time control and communication, such as PLCs, robotics, and smart home hubs.

When designing with the STM32F205ZET6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be connected to a clean analog supply to minimize noise in ADC conversions. Also, configure the boot pins correctly to select the desired boot mode (Flash, SRAM, or system memory) for programming and debugging.

直接替换替代料: STM32F205ZET6 ——相同封装,引脚兼容。需要 PCB 改动的不同封装料号已排除。

本系列中的变体

可与以下型号直接替换的同系列型号: STM32F205ZET6 (相同外形与封装尺寸) ——差异在于 ADC, DMA.

STMicroelectronics
ADC: 3x 12-bit, up to 24 channels
DMA: 16-channel DMA
对比 STM32F205ZET6 →

快速对比工具——选择替代料号进行并排对比:

STM32F207ZET6

✅ 直接替换
STMicroelectronics
📦 LQFP144
ARM Cortex-M3 · 120 MHz · 512 KB · 128 KB · 1.8V to 3.6V · -40°C to +85°C · LQFP144 (20x20 mm) · 114

✓ 有现货

$8.1 / 个

查看数据手册 →

STM32F205ZGT6

✅ 直接替换
📦 LQFP144
1 MB Flash instead of 512 KB, same pinout

📋 参考替代料(不在目录中)

ℹ️ 3 个跨封装料号已隐藏——不同封装需要 PCB 改动,并非真正的直接替换。 联系我们 如果您需要跨封装建议。

STM32F205ZET6 最大额定值与电气特性

Core ARM Cortex-M3
Max Clock Speed 120 MHz
Flash Memory 512 KB
SRAM 128 KB
封装 LQFP144 (20x20 mm)
电源电压 1.8V to 3.6V
工作温度 -40°C to +85°C
GPIO Pins 114
ADC 3x 12-bit, 24 channels
DAC 2x 12-bit
Timers 12x 16-bit, 2x 32-bit
Communication Interfaces USB 2.0 OTG HS/FS, Ethernet MAC, CAN, SPI, I2C, USART, SDIO
DMA 16 channels
RTC Yes
RoHS Compliant

STM32F205ZET6 引脚配置

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
引脚 1 PE2 — GPIO / FSMC_A23
引脚 2 PE3 — GPIO / FSMC_A19
引脚 3 PE4 — GPIO / FSMC_A20
引脚 4 PE5 — GPIO / FSMC_A21
引脚 5 PE6 — GPIO / FSMC_A22
引脚 6 VBAT — Backup battery supply
引脚 7 PC13 — GPIO / RTC_TAMP1
引脚 8 PC14 — GPIO / OSC32_IN
引脚 9 PC15 — GPIO / OSC32_OUT
引脚 10 PF0 — GPIO / FSMC_A0
引脚 11 PF1 — GPIO / FSMC_A1
引脚 12 PF2 — GPIO / FSMC_A2
引脚 13 PF3 — GPIO / FSMC_A3
引脚 14 PF4 — GPIO / FSMC_A4
引脚 15 PF5 — GPIO / FSMC_A5
引脚 16 VSS — Ground
引脚 17 VDD — Power supply
引脚 18 PF6 — GPIO / FSMC_NIORD
引脚 19 PF7 — GPIO / FSMC_NREG
引脚 20 PF8 — GPIO / FSMC_NIOWR
引脚 21 PF9 — GPIO / FSMC_CD
引脚 22 PF10 — GPIO / FSMC_INTR
引脚 23 PF11 — GPIO / FSMC_NCE4_1
引脚 24 PF12 — GPIO / FSMC_NCE4_2
引脚 25 PF13 — GPIO / FSMC_A6
引脚 26 PF14 — GPIO / FSMC_A7
引脚 27 PF15 — GPIO / FSMC_A8
引脚 28 PG0 — GPIO / FSMC_A9
引脚 29 PG1 — GPIO / FSMC_A10
引脚 30 PG2 — GPIO / FSMC_A11
引脚 31 PG3 — GPIO / FSMC_A12
引脚 32 PG4 — GPIO / FSMC_A13
引脚 33 PG5 — GPIO / FSMC_A14
引脚 34 VSS — Ground
引脚 35 VDD — Power supply
引脚 36 PG6 — GPIO / FSMC_NE1
引脚 37 PG7 — GPIO / FSMC_NE2
引脚 38 PG8 — GPIO / FSMC_NCE3
引脚 39 PG9 — GPIO / FSMC_NE3
引脚 40 PG10 — GPIO / FSMC_NE4
引脚 41 PG11 — GPIO / FSMC_NCE4_1
引脚 42 PG12 — GPIO / FSMC_NE4
引脚 43 PG13 — GPIO / FSMC_A24
引脚 44 PG14 — GPIO / FSMC_A25
引脚 45 PG15 — GPIO / FSMC_A26
引脚 46 PD0 — GPIO / FSMC_D2
引脚 47 PD1 — GPIO / FSMC_D3
引脚 48 PD2 — GPIO / FSMC_D4
引脚 49 PD3 — GPIO / FSMC_D5
引脚 50 PD4 — GPIO / FSMC_D6
引脚 51 PD5 — GPIO / FSMC_D7
引脚 52 PD6 — GPIO / FSMC_D8
引脚 53 PD7 — GPIO / FSMC_D9
引脚 54 VSS — Ground
引脚 55 VDD — Power supply
引脚 56 PD8 — GPIO / FSMC_D10
引脚 57 PD9 — GPIO / FSMC_D11
引脚 58 PD10 — GPIO / FSMC_D12
引脚 59 PD11 — GPIO / FSMC_D13
引脚 60 PD12 — GPIO / FSMC_D14
引脚 61 PD13 — GPIO / FSMC_D15
引脚 62 PD14 — GPIO / FSMC_D0
引脚 63 PD15 — GPIO / FSMC_D1
引脚 64 PC0 — GPIO / ADC123_IN10
引脚 65 PC1 — GPIO / ADC123_IN11
引脚 66 PC2 — GPIO / ADC123_IN12
引脚 67 PC3 — GPIO / ADC123_IN13
引脚 68 VSSA — Analog ground
引脚 69 VREF- — Negative reference voltage
引脚 70 VDDA — Analog power supply
引脚 71 VREF+ — Positive reference voltage
引脚 72 PC4 — GPIO / ADC12_IN14
引脚 73 PC5 — GPIO / ADC12_IN15
引脚 74 PB2 — GPIO / BOOT1
引脚 75 PE7 — GPIO / FSMC_D4
引脚 76 PE8 — GPIO / FSMC_D5
引脚 77 PE9 — GPIO / FSMC_D6
引脚 78 PE10 — GPIO / FSMC_D7
引脚 79 PE11 — GPIO / FSMC_D8
引脚 80 PE12 — GPIO / FSMC_D9
引脚 81 PE13 — GPIO / FSMC_D10
引脚 82 PE14 — GPIO / FSMC_D11
引脚 83 PE15 — GPIO / FSMC_D12
引脚 84 PB10 — GPIO / I2C2_SCL / USART3_TX
引脚 85 PB11 — GPIO / I2C2_SDA / USART3_RX
引脚 86 VSS — Ground
引脚 87 VDD — Power supply
引脚 88 PB12 — GPIO / SPI2_NSS / I2C2_SMBA
引脚 89 PB13 — GPIO / SPI2_SCK
引脚 90 PB14 — GPIO / SPI2_MISO
引脚 91 PB15 — GPIO / SPI2_MOSI
引脚 92 PD8 — GPIO / USART3_TX
引脚 93 PD9 — GPIO / USART3_RX
引脚 94 PD10 — GPIO / USART3_CK
引脚 95 PD11 — GPIO / USART3_CTS
引脚 96 PD12 — GPIO / USART3_RTS
引脚 97 PD13 — GPIO / USART3_CTS
引脚 98 PD14 — GPIO / USART3_RTS
引脚 99 PD15 — GPIO / USART3_CK
引脚 100 PC6 — GPIO / I2S2_MCK / SDIO_D6
引脚 101 PC7 — GPIO / I2S2_MCK / SDIO_D7
引脚 102 PC8 — GPIO / SDIO_D0
引脚 103 PC9 — GPIO / SDIO_D1
引脚 104 PA8 — GPIO / USB_OTG_FS_SOF / I2C3_SCL
引脚 105 PA9 — GPIO / USB_OTG_FS_VBUS / USART1_TX
引脚 106 PA10 — GPIO / USB_OTG_FS_ID / USART1_RX
引脚 107 PA11 — GPIO / USB_OTG_FS_DM / USART1_CTS
引脚 108 PA12 — GPIO / USB_OTG_FS_DP / USART1_RTS
引脚 109 PA13 — GPIO / SWDIO / JTMS
引脚 110 VSS — Ground
引脚 111 VDD — Power supply
引脚 112 PA14 — GPIO / SWCLK / JTCK
引脚 113 PA15 — GPIO / JTDI / SPI3_NSS
引脚 114 PC10 — GPIO / SDIO_D2
引脚 115 PC11 — GPIO / SDIO_D3
引脚 116 PC12 — GPIO / SDIO_CK
引脚 117 PD0 — GPIO / FSMC_D2
引脚 118 PD1 — GPIO / FSMC_D3
引脚 119 PD2 — GPIO / FSMC_D4
引脚 120 PD3 — GPIO / FSMC_D5
引脚 121 PD4 — GPIO / FSMC_D6
引脚 122 PD5 — GPIO / FSMC_D7
引脚 123 PD6 — GPIO / FSMC_D8
引脚 124 PD7 — GPIO / FSMC_D9
引脚 125 PE0 — GPIO / FSMC_NBL0
引脚 126 PE1 — GPIO / FSMC_NBL1
引脚 127 PE2 — GPIO / FSMC_A23
引脚 128 PE3 — GPIO / FSMC_A19
引脚 129 PE4 — GPIO / FSMC_A20
引脚 130 PE5 — GPIO / FSMC_A21
引脚 131 PE6 — GPIO / FSMC_A22
引脚 132 VSS — Ground
引脚 133 VDD — Power supply
引脚 134 PB3 — GPIO / JTDO / SPI3_SCK
引脚 135 PB4 — GPIO / NJTRST / SPI3_MISO
引脚 136 PB5 — GPIO / SPI3_MOSI / I2C1_SMBA
引脚 137 PB6 — GPIO / I2C1_SCL / USART1_TX
引脚 138 PB7 — GPIO / I2C1_SDA / USART1_RX
引脚 139 BOOT0 — Boot mode selection
引脚 140 PB8 — GPIO / I2C1_SCL / CAN1_RX
引脚 141 PB9 — GPIO / I2C1_SDA / CAN1_TX
引脚 142 PE7 — GPIO / FSMC_D4
引脚 143 PE8 — GPIO / FSMC_D5
引脚 144 PE9 — GPIO / FSMC_D6

典型应用

STM32F205ZET6 适用于 6 应用s: Industrial Control Systems, Medical Devices, IoT Gateways, Consumer Electronics, Automotive Electronics, Test and Measurement Equipment.

🏭

Industrial Control Systems

The STM32F205ZET6 is ideal for industrial control systems such as PLCs, motor drives, and robotics. Its 120 MHz Cortex-M3 core provides fast processing for real-time control loops, while the advanced timers generate precise PWM signals for motor control. The multiple communication interfaces (CAN, USART, SPI, I2C) enable seamless integration with industrial networks like Modbus and CANopen. The device's wide supply voltage range and industrial temperature rating (-40°C to +85°C) ensure reliable operation in harsh environments. In a typical PLC application, the STM32F205ZET6 handles digital I/O scanning, analog input acquisition via its 12-bit ADCs, and communication with HMI panels over RS-485. The 512 KB Flash allows storing complex control algorithms and communication stacks, while the 128 KB SRAM supports real-time data buffering. The FSMC interface can be used to expand external memory for data logging. Overall, the STM32F205ZET6 offers a cost-effective solution for high-performance industrial controllers.

💊

Medical Devices

The STM32F205ZET6 is well-suited for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high processing power enables real-time signal processing for ECG, SpO2, and blood pressure monitoring. The device's multiple ADCs can simultaneously sample multiple physiological signals, while the DMA controller offloads data transfer to reduce CPU load. The USB 2.0 OTG interface allows connectivity to host computers for data logging and firmware updates. The low-power modes help extend battery life in portable devices. In a patient monitor, the STM32F205ZET6 acquires ECG signals via its 12-bit ADC at 1 kHz sampling rate, processes them using digital filters, and displays the waveform on an LCD. The device's reliability and long-term availability make it suitable for medical applications requiring regulatory compliance. The 512 KB Flash provides ample space for firmware implementing medical algorithms and communication protocols.

🌐

IoT Gateways

The STM32F205ZET6 is an excellent choice for IoT gateways that aggregate data from multiple sensors and communicate with cloud services. Its rich connectivity options, including Ethernet (via external PHY), USB, CAN, and UART, allow it to interface with various sensor networks. The 120 MHz Cortex-M3 core can handle protocol stacks like MQTT, CoAP, and TLS encryption. The device's large Flash and SRAM support running an RTOS and multiple communication stacks simultaneously. In a typical IoT gateway, the STM32F205ZET6 collects data from Zigbee or LoRa modules via UART/SPI, processes it, and forwards it to the cloud over Ethernet or Wi-Fi (via external module). The low-power modes enable battery-powered operation in remote locations. The device's security features, including a true random number generator (RNG) and hardware CRC, enhance data security. The STM32F205ZET6's long-term availability and industrial temperature range make it suitable for outdoor IoT deployments.

📱

Consumer Electronics

The STM32F205ZET6 is used in consumer electronics such as smart home hubs, wearable devices, and audio equipment. Its high performance enables rich user interfaces with graphical displays, while its low-power modes extend battery life in portable devices. The device's USB OTG interface supports connection to smartphones and PCs for data transfer and charging. In a smart home hub, the STM32F205ZET6 manages Zigbee, Z-Wave, and Wi-Fi communication, controls smart devices, and provides a local automation engine. The 512 KB Flash allows storing complex automation rules and device profiles. The device's multiple timers and PWM outputs can drive LEDs and buzzers for user feedback. The STM32F205ZET6's cost-effectiveness and wide availability make it a popular choice for high-volume consumer products.

🚗

Automotive Electronics

The STM32F205ZET6 is suitable for automotive applications such as body control modules, infotainment systems, and advanced driver-assistance systems (ADAS). Its high processing power and rich peripherals enable real-time control and communication in vehicles. The device's CAN interface supports communication with other ECUs in the vehicle network. The wide supply voltage range and industrial temperature rating ensure reliable operation in automotive environments. In a body control module, the STM32F205ZET6 controls lighting, windows, and door locks, while communicating over CAN. The device's multiple ADCs can monitor analog sensors for temperature and voltage. The 512 KB Flash provides ample space for automotive-grade firmware. While the STM32F205ZET6 is not AEC-Q100 qualified, it is often used in non-safety-critical automotive applications. For safety-critical applications, consider the STM32F2 series with AEC-Q100 qualification.

🔧

Test and Measurement Equipment

The STM32F205ZET6 is used in test and measurement equipment such as oscilloscopes, data loggers, and signal generators. Its high-speed ADCs and DACs enable precise signal acquisition and generation. The device's DMA controller allows continuous data streaming without CPU intervention, enabling high-speed data capture. The USB interface provides connectivity to PCs for data analysis and remote control. In a portable data logger, the STM32F205ZET6 samples analog signals at high rates, stores data in external memory via FSMC, and transfers it to a PC over USB. The device's multiple timers can generate precise trigger signals for synchronized measurements. The 512 KB Flash allows storing complex measurement algorithms and calibration data. The STM32F205ZET6's performance and flexibility make it a popular choice for custom test equipment.

推荐产品汇总

SN65HVD72 RS-485 transceiver for industrial communication 用于: Industrial Control Systems IR2104 MOSFET driver for motor control 用于: Industrial Control Systems ADS1298 ECG front-end analog front-end 用于: Medical Devices LM75 Temperature sensor for patient monitoring 用于: Medical Devices ESP8266 Wi-Fi module for cloud connectivity 用于: IoT Gateways SX1276 LoRa transceiver for long-range sensor communication 用于: IoT Gateways CC2530 Zigbee radio for smart home communication 用于: Consumer Electronics TLC5940 LED driver for status indicators 用于: Consumer Electronics TJA1050 NXP Semiconductors 用于: Automotive Electronics L9826 Low-side driver for automotive loads 用于: Automotive Electronics AD7606 Analog Devices 用于: Test and Measurement Equipment DAC8568 8-channel DAC for signal generation 用于: Test and Measurement Equipment
What is the maximum clock speed of STM32F205ZET6?
The STM32F205ZET6 operates at a maximum clock speed of 120 MHz. According to the STMicroelectronics datasheet (Doc ID 18540 Rev 4), the ARM Cortex-M3 core can run at up to 120 MHz with zero-wait state execution from Flash thanks to the ART accelerator.
How much Flash memory does STM32F205ZET6 have?
The STM32F205ZET6 has 512 KB of Flash memory. This is sufficient for complex firmware, including RTOS, communication stacks, and application code. The Flash is organized into 4 sectors of 128 KB each, allowing flexible erase and write operations.
What is the difference between STM32F205ZET6 and STM32F207ZET6?
The STM32F205ZET6 and STM32F207ZET6 are pin-compatible, but the STM32F207ZET6 adds a 10/100 Ethernet MAC and a camera interface, while the STM32F205ZET6 does not. Both share the same Cortex-M3 core, 120 MHz clock, 512 KB Flash, and 128 KB SRAM. If you need Ethernet, choose the STM32F207ZET6; otherwise, the STM32F205ZET6 is a cost-effective alternative.
Can STM32F205ZET6 be used for motor control applications?
Yes, the STM32F205ZET6 is well-suited for motor control. It features advanced timers with complementary PWM outputs, dead-time generation, and a 12-bit ADC for current sensing. The 120 MHz Cortex-M3 core provides enough processing power for field-oriented control (FOC) algorithms. According to ST's application notes, the STM32F2 series is optimized for motor control with high-resolution timers and fast ADC conversion.
What is the supply voltage range of STM32F205ZET6?
The STM32F205ZET6 operates from a supply voltage of 1.8V to 3.6V. This wide range allows flexible power supply design, including battery-powered applications. The device has separate VDDA and VDD pins for analog and digital supplies, ensuring clean power for ADC and DAC performance.
Does STM32F205ZET6 have a built-in Ethernet controller?
No, the STM32F205ZET6 does not have an Ethernet MAC. If you require Ethernet connectivity, consider the STM32F207ZET6, which is pin-compatible and includes a 10/100 Ethernet MAC. For the STM32F205ZET6, you would need an external Ethernet controller via SPI or parallel interface.
What is the package type of STM32F205ZET6?
The STM32F205ZET6 is available in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch. This package provides 114 GPIO pins and is suitable for PCB designs requiring a moderate pin count. The LQFP144 is a surface-mount package, ideal for automated assembly.
Is STM32F205ZET6 RoHS compliant?
Yes, the STM32F205ZET6 is RoHS compliant. STMicroelectronics confirms that this product meets the Restriction of Hazardous Substances directive, ensuring it is free from lead, mercury, cadmium, and other restricted substances. This makes it suitable for use in consumer and industrial products sold in the EU and other regions.
What development tools are compatible with STM32F205ZET6?
The STM32F205ZET6 is supported by a wide range of development tools, including STM32CubeIDE, Keil MDK-ARM, IAR EWARM, and GCC-based toolchains. ST also provides the STM32CubeF2 firmware package, which includes HAL drivers, middleware, and examples. For debugging, you can use ST-Link, J-Link, or other ARM debug probes.
Where can I buy STM32F205ZET6 online?
You can purchase the STM32F205ZET6 from authorized distributors such as DigiKey, Mouser, and Farnell. As of 2026-08-14, the price is approximately $12.50 for single-unit quantities, with volume discounts available. Check current stock and pricing on distributor websites for the most up-to-date information.
What is the lead time for STM32F205ZET6?
The lead time for STM32F205ZET6 varies by distributor and current demand. As of 2026-08-14, typical lead times range from 4 to 12 weeks for large quantities, while small quantities may be in stock for immediate shipment. It is recommended to check with distributors like DigiKey or Mouser for real-time availability.
Is STM32F205ZET6 in stock at DigiKey?
As of 2026-08-14, the STM32F205ZET6 is typically in stock at major distributors like DigiKey and Mouser. However, stock levels can fluctuate. For the most accurate availability, visit the product page on DigiKey or Mouser and check the current inventory status.
What is the best drop-in replacement for STM32F205ZET6?
The best drop-in replacement for STM32F205ZET6 is the STM32F207ZET6, which is pin-compatible and offers additional features like Ethernet MAC. Other pin-compatible alternatives include the STM32F205ZGT6 (with 1 MB Flash) and the STM32F205VET6 (100-pin LQFP, not pin-compatible). For cross-brand options, the NXP LPC1768 is a functional equivalent but requires PCB changes due to different pinout.
Can STM32F205ZET6 be replaced by STM32F407ZET6?
The STM32F407ZET6 is not a drop-in replacement for STM32F205ZET6 because it has a different pinout and package (LQFP144 but with different pin assignments). While both are Cortex-M4/M3 based, the STM32F407ZET6 offers a higher clock speed (168 MHz) and DSP instructions, but requires PCB redesign. For a drop-in replacement, stick with the STM32F2 series.
What are the key specifications of STM32F205ZET6 that engineers should know?
Engineers should know that the STM32F205ZET6 features a 120 MHz ARM Cortex-M3 core, 512 KB Flash, 128 KB SRAM, 114 GPIOs, 3x 12-bit ADCs, 2x DACs, USB 2.0 OTG HS/FS, CAN, SPI, I2C, USART, and SDIO. It operates from 1.8V to 3.6V and is available in LQFP144. These specs make it suitable for high-performance embedded applications requiring rich connectivity and real-time control.
Is STM32F205ZET6 the same as STM32F205RBT6?
No, the STM32F205ZET6 and STM32F205RBT6 are not the same. The STM32F205ZET6 has 512 KB Flash and 128 KB SRAM in a 144-pin LQFP, while the STM32F205RBT6 has 128 KB Flash and 64 KB SRAM in a 64-pin LQFP. They have different pin counts and memory sizes, so they are not pin-compatible.
What is the best STMicroelectronics equivalent for STM32F205ZET6?
The best STMicroelectronics equivalent for STM32F205ZET6 is the STM32F207ZET6, which is pin-compatible and adds Ethernet MAC and camera interface. If you need more Flash, the STM32F205ZGT6 offers 1 MB Flash in the same LQFP144 package. Both are drop-in replacements with the same footprint.
Where to download STM32F205ZET6 datasheet PDF?
You can download the STM32F205ZET6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f205ze.pdf. The datasheet (Doc ID 18540 Rev 4) contains full specifications, pinout, and electrical characteristics.
Where to find STM32F205ZET6 pinout?
The STM32F205ZET6 pinout is available in the official datasheet (Doc ID 18540 Rev 4) on the STMicroelectronics website. The LQFP144 package has 144 pins, with detailed pin assignments for GPIO, power, and peripherals. You can also find pinout diagrams in the STM32CubeMX tool.

工程参考数据: STM32F205ZET6 ——对比、设计指导和合规信息。

选型指南

Choose the STM32F205ZET6 when you need a high-performance Cortex-M3 MCU with 512 KB Flash and 128 KB SRAM in a 144-pin LQFP package, and you do not require Ethernet. If you need Ethernet, select the STM32F207ZET6, which is pin-compatible. For applications requiring more Flash, the STM32F205ZGT6 offers 1 MB Flash in the same package. If you need a smaller footprint, consider the STM32F205VET6 (LQFP100) but note it has fewer GPIOs and is not pin-compatible. For cross-brand, the NXP LPC1768 is a functional equivalent but requires PCB redesign due to different pinout. The STM32F405ZET6 offers a Cortex-M4 core with DSP instructions and higher clock speed but is not pin-compatible. Evaluate your specific requirements for connectivity, memory, and package to make the best choice.

与替代料对比

参数 本产品 STM32F207ZET6 STM32F205ZGT6 STM32F205VET6 LPC1768FBD100 STM32F405ZET6
Package LQFP144 LQFP144 LQFP144 LQFP100 LQFP100 LQFP144
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics NXP Semiconductors STMicroelectronics
Core ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M3 ARM Cortex-M4
Max Clock Speed 120 MHz 120 MHz 120 MHz 120 MHz 100 MHz 168 MHz
Flash Memory 512 KB 512 KB 1 MB 512 KB 512 KB 512 KB
SRAM 128 KB 128 KB 128 KB 128 KB 64 KB 192 KB
Ethernet MAC No Yes No No Yes Yes
GPIO Pins 114 114 114 82 70 114

关键差异点

  • Higher clock speed than LPC1768 (对比 LPC1768FBD100)
  • More SRAM than LPC1768 (对比 LPC1768FBD100)
  • Pin-compatible with STM32F207ZET6 (对比 STM32F207ZET6)

设计说明

The STM32F205ZET6 requires a clean power supply. Connect a 100nF ceramic capacitor to each VDD pin and a 4.7uF bulk capacitor to the main VDD rail. The VDDA pin should be connected to a filtered analog supply, with a 1uF capacitor and a ferrite bead to isolate digital noise. Ensure VREF+ and VREF- are properly decoupled for accurate ADC conversions.

For the LQFP144 package, use a 4-layer PCB with dedicated power and ground planes. Place decoupling capacitors as close to the power pins as possible, with vias connecting to the ground plane. The crystal oscillator pins (OSC_IN/OSC_OUT) should have short traces and a ground guard ring to minimize noise. Follow ST's layout guidelines in AN4666 for optimal performance.

Ensure the BOOT0 pin is configured correctly for the desired boot mode. For normal operation, BOOT0 should be tied low to boot from Flash. When programming via SWD, ensure the SWDIO and SWCLK pins are not loaded with capacitors that could interfere with the debug interface. Also, avoid exceeding the absolute maximum ratings on any pin, especially the supply voltage (3.6V max).

合规信息

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
无铅
Yes
无卤
Unknown
冲突矿物
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32F2 series with AEC-Q100 qualification.

数据核验日期: 2026-08-14 ——数据由 XAIPART 元器件工程团队核验和整理

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