STMicroelectronics

STM32F777ZIT6 - 2MB Flash, 216MHz ARM Cortex-M7 MCU | STMicroelectronics

料号: STM32F777ZIT6 ✓ 量产中
有现货 1-3 个工作日内发货
1.7 V to 3.6 V Vdss LQFP-144 (20x20 mm) Package 216 MHz Speed 2 MB (dual-bank) Memory
低至 $22.5909 USD / 件
最小起订量: 1 |
价格更新于: 2026-08-06
批量定价
数量 单价 小计
1 $14.1224 $14.12
ℹ️ 所有价格均以 USD 计价

STM32F777ZIT6 概述

The STMicroelectronics STM32F777ZIT6 is a high-performance ARM Cortex-M7 based microcontroller operating at up to 216 MHz, delivering 462 DMIPS and 1082 CoreMark. It features 2 MB of dual-bank Flash memory and 512 KB of SRAM, making it suitable for complex real-time applications. The device is housed in a 144-pin LQFP (ZIT) package with a 20x20 mm footprint, offering extensive I/O 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. In the system hierarchy, an MCU sits above a bare microprocessor by including on-chip memory and peripherals, and below a full application processor (like those in smartphones) which typically runs a rich OS. The STM32F777ZIT6 belongs to the STM32F7 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers based on ARM Cortex-M cores. This family is widely used in industrial, consumer, and IoT applications due to its balance of performance, power efficiency, and peripheral integration.

Key features include a Chrom-ART Accelerator for 2D graphics, a hardware cryptographic accelerator (AES, DES, 3DES, SHA-1, SHA-256, MD5), a true random number generator, and a JPEG codec. The device supports a comprehensive set of communication interfaces: 4x I2C, 4x USART, 4x UART, 6x SPI, 3x CAN, 2x USB OTG (FS/HS), 2x SDMMC, 1x FMC (external memory interface), and 2x SAI (serial audio interfaces). It also includes a 12-bit ADC with 3.6 MSPS, a 12-bit DAC, and multiple timers including high-resolution timers.

The STM32F777ZIT6 operates from a 1.7V to 3.6V supply and features a wide temperature range of -40°C to +85°C (industrial grade). It supports various low-power modes (Sleep, Stop, Standby) to optimize energy consumption. The device is RoHS compliant and available in tape and reel packaging.

Typical applications include industrial control systems, motor drives, medical devices, audio processing, and high-end consumer electronics. The dual-bank Flash allows over-the-air firmware updates with minimal downtime, and the cryptographic accelerator enables secure communication protocols.

When designing with this MCU, ensure adequate decoupling on all power pins and follow the recommended layout for the high-speed USB and external memory interfaces. The internal LDO can be bypassed for lower power consumption, but this requires careful power sequencing.

直接替换替代料: STM32F777ZIT6 ——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: STM32F777ZIT6 (相同外形与封装尺寸) ——差异在于 Core, Flash Memory, Operating Temperature, Package, Supply Voltage.

STMicroelectronics
Core: ARM Cortex-M7 32-bit with FPU
Flash Memory: 2 MB
Operating Temperature: -40C to +85C
对比 STM32F777ZIT6 →

快速对比工具——选择替代料号进行并排对比:

STM32F767ZIT6

STMicroelectronics
ARM Cortex-M7 32-bit with FPU · 216 MHz · 462 DMIPS / 1082 CoreMark · 2 MB · 512 KB · 3.3 V · -40C to +85C · 144-LQFP (20x20 mm, 0.5 mm pitch)

✓ 有现货

$17.6 / 个

查看数据手册 →

STM32F779ZIT6

STMicroelectronics
ARM Cortex-M7 · 216 MHz · 2 MB · 512 KB · LQFP144 (20x20 mm) · 1.7V to 3.6V · -40°C to +85°C · 114

✓ 有现货

$11.75 / 个

查看数据手册 →

STM32H743ZIT6

STMicroelectronics
ARM Cortex-M7 with double-precision FPU · 480 MHz · 2 MB · 1 MB (includes 64 KB DTCM + AXI SRAM) · 16 KB · 16 KB · LQFP-144 (20x20 mm) · 1.62 V to 3.6 V

✓ 有现货

$10.65 / 个

查看数据手册 →

STM32F769ZIT6

Adds TFT-LCD controller and MIPI DSI, same package and pinout

📋 参考替代料(不在目录中)

STM32F777ZIT6TR

Same die, tape and reel packaging variant

📋 参考替代料(不在目录中)

i.MX RT1052

Cross-brand, Cortex-M7 at 600 MHz, but BGA package, not pin-compatible

📋 参考替代料(不在目录中)

STM32F777ZIT6 最大额定值与电气特性

Core ARM Cortex-M7
Max Clock Frequency 216 MHz
Flash Memory 2 MB (dual-bank)
SRAM 512 KB
电源电压 1.7 V to 3.6 V
工作温度 -40°C to +85°C
封装 LQFP-144 (20x20 mm)
GPIO Pins 114
ADC 3x 12-bit, 3.6 MSPS
DAC 2x 12-bit
Communication Interfaces 4x I2C, 4x USART, 4x UART, 6x SPI, 3x CAN, 2x USB OTG, 2x SDMMC, 1x FMC, 2x SAI
Timers 12x 16-bit, 2x 32-bit, 2x high-resolution
Cryptographic Acceleration AES, DES, 3DES, SHA-1, SHA-256, MD5
DMA 2x DMA controllers with 16 streams each
RoHS Compliant

STM32F777ZIT6 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 / FMC_A23 / TRACECLK
引脚 2 PE3 — GPIO / FMC_A19 / TRACED0
引脚 3 PE4 — GPIO / FMC_A20 / TRACED1
引脚 4 PE5 — GPIO / FMC_A21 / TRACED2
引脚 5 PE6 — GPIO / FMC_A22 / TRACED3
引脚 6 VBAT — Backup battery supply
引脚 7 PC13 — GPIO / RTC_AF1 / WKUP2
引脚 8 PC14 — GPIO / OSC32_IN
引脚 9 PC15 — GPIO / OSC32_OUT
引脚 10 PF0 — GPIO / FMC_A0
引脚 11 PF1 — GPIO / FMC_A1
引脚 12 PF2 — GPIO / FMC_A2
引脚 13 PF3 — GPIO / FMC_A3
引脚 14 PF4 — GPIO / FMC_A4
引脚 15 PF5 — GPIO / FMC_A5
引脚 16 PF6 — GPIO / FMC_NWAIT / TIM13_CH1
引脚 17 PF7 — GPIO / FMC_NCE4_1 / TIM13_CH2
引脚 18 PF8 — GPIO / FMC_NCE4_2 / TIM14_CH1
引脚 19 PF9 — GPIO / FMC_NCE4_3 / TIM14_CH2
引脚 20 PF10 — GPIO / FMC_NCE4_4
引脚 21 VSS — Ground
引脚 22 VDD — Power supply
引脚 23 PF11 — GPIO / FMC_SDNCAS
引脚 24 PF12 — GPIO / FMC_SDNE0
引脚 25 PF13 — GPIO / FMC_A6
引脚 26 PF14 — GPIO / FMC_A7
引脚 27 PF15 — GPIO / FMC_A8
引脚 28 PG0 — GPIO / FMC_A9
引脚 29 PG1 — GPIO / FMC_A10
引脚 30 PG2 — GPIO / FMC_A11
引脚 31 PG3 — GPIO / FMC_A12
引脚 32 PG4 — GPIO / FMC_A13
引脚 33 PG5 — GPIO / FMC_A14
引脚 34 PG6 — GPIO / FMC_NE1
引脚 35 PG7 — GPIO / FMC_NE2
引脚 36 PG8 — GPIO / FMC_NE3
引脚 37 PG9 — GPIO / FMC_NE4
引脚 38 PG10 — GPIO / FMC_NE5
引脚 39 PG11 — GPIO / FMC_NE6
引脚 40 PG12 — GPIO / FMC_NE7
引脚 41 PG13 — GPIO / FMC_A15
引脚 42 PG14 — GPIO / FMC_A16
引脚 43 PG15 — GPIO / FMC_A17
引脚 44 VSS — Ground
引脚 45 VDD — Power supply
引脚 46 PD0 — GPIO / FMC_D2
引脚 47 PD1 — GPIO / FMC_D3
引脚 48 PD2 — GPIO / FMC_D4
引脚 49 PD3 — GPIO / FMC_D5
引脚 50 PD4 — GPIO / FMC_D6
引脚 51 PD5 — GPIO / FMC_D7
引脚 52 PD6 — GPIO / FMC_D8
引脚 53 PD7 — GPIO / FMC_D9
引脚 54 PD8 — GPIO / FMC_D10
引脚 55 PD9 — GPIO / FMC_D11
引脚 56 PD10 — GPIO / FMC_D12
引脚 57 PD11 — GPIO / FMC_D13
引脚 58 PD12 — GPIO / FMC_D14
引脚 59 PD13 — GPIO / FMC_D15
引脚 60 PD14 — GPIO / FMC_D0
引脚 61 PD15 — GPIO / FMC_D1
引脚 62 PC0 — GPIO / ADC123_IN10
引脚 63 PC1 — GPIO / ADC123_IN11
引脚 64 PC2 — GPIO / ADC123_IN12
引脚 65 PC3 — GPIO / ADC123_IN13
引脚 66 PC4 — GPIO / ADC12_IN14
引脚 67 PC5 — GPIO / ADC12_IN15
引脚 68 VSS — Ground
引脚 69 VDD — Power supply
引脚 70 PB2 — GPIO / RTC_AF1
引脚 71 PE7 — GPIO / TIM1_ETR
引脚 72 PE8 — GPIO / TIM1_CH1
引脚 73 PE9 — GPIO / TIM1_CH2
引脚 74 PE10 — GPIO / TIM1_CH3
引脚 75 PE11 — GPIO / TIM1_CH4
引脚 76 PE12 — GPIO / TIM1_CH1N
引脚 77 PE13 — GPIO / TIM1_CH2N
引脚 78 PE14 — GPIO / TIM1_CH3N
引脚 79 PE15 — GPIO / TIM1_CH4N
引脚 80 PB10 — GPIO / I2C2_SCL / USART3_TX
引脚 81 PB11 — GPIO / I2C2_SDA / USART3_RX
引脚 82 VSS — Ground
引脚 83 VDD — Power supply
引脚 84 PB12 — GPIO / SPI2_NSS / I2C2_SMBA
引脚 85 PB13 — GPIO / SPI2_SCK / I2C2_SCL
引脚 86 PB14 — GPIO / SPI2_MISO / TIM12_CH1
引脚 87 PB15 — GPIO / SPI2_MOSI / TIM12_CH2
引脚 88 PD8 — GPIO / USART3_TX / FMC_D13
引脚 89 PD9 — GPIO / USART3_RX / FMC_D14
引脚 90 PD10 — GPIO / USART3_CK / FMC_D15
引脚 91 PD11 — GPIO / USART3_CTS / FMC_D0
引脚 92 PD12 — GPIO / USART3_RTS / FMC_D1
引脚 93 PD13 — GPIO / USART3_DE / FMC_D2
引脚 94 PD14 — GPIO / USART3_DE / FMC_D3
引脚 95 PD15 — GPIO / USART3_DE / FMC_D4
引脚 96 PC6 — GPIO / I2S2_MCK / USART6_TX
引脚 97 PC7 — GPIO / I2S3_MCK / USART6_RX
引脚 98 PC8 — GPIO / I2S3_SCK / USART6_CK
引脚 99 PC9 — GPIO / I2S3_WS / USART6_CTS
引脚 100 PA0 — GPIO / WKUP1 / TIM2_CH1 / ADC123_IN0
引脚 101 PA1 — GPIO / TIM2_CH2 / ADC123_IN1
引脚 102 PA2 — GPIO / TIM2_CH3 / ADC123_IN2
引脚 103 PA3 — GPIO / TIM2_CH4 / ADC123_IN3
引脚 104 VSS — Ground
引脚 105 VDD — Power supply
引脚 106 PA4 — GPIO / SPI1_NSS / DAC_OUT1
引脚 107 PA5 — GPIO / SPI1_SCK / DAC_OUT2
引脚 108 PA6 — GPIO / SPI1_MISO / TIM13_CH1
引脚 109 PA7 — GPIO / SPI1_MOSI / TIM14_CH1
引脚 110 PA8 — GPIO / MCO1 / TIM1_CH1
引脚 111 PA9 — GPIO / USB_OTG_FS_VBUS / TIM1_CH2
引脚 112 PA10 — GPIO / USB_OTG_FS_ID / TIM1_CH3
引脚 113 PA11 — GPIO / USB_OTG_FS_DM / TIM1_CH4
引脚 114 PA12 — GPIO / USB_OTG_FS_DP / TIM1_ETR
引脚 115 PA13 — GPIO / SWDIO / JTMS
引脚 116 PA14 — GPIO / SWCLK / JTCK
引脚 117 PA15 — GPIO / JTDI / TIM2_CH1
引脚 118 PC10 — GPIO / I2S3_SCK / USART4_TX
引脚 119 PC11 — GPIO / I2S3_WS / USART4_RX
引脚 120 PC12 — GPIO / I2S3_SD / USART4_CK
引脚 121 PD0 — GPIO / FMC_D2 / USART2_CTS
引脚 122 PD1 — GPIO / FMC_D3 / USART2_RTS
引脚 123 PD2 — GPIO / FMC_D4 / USART2_DE
引脚 124 PD3 — GPIO / FMC_D5 / USART2_TX
引脚 125 PD4 — GPIO / FMC_D6 / USART2_RX
引脚 126 PD5 — GPIO / FMC_D7 / USART2_CK
引脚 127 PD6 — GPIO / FMC_D8 / USART2_CTS
引脚 128 PD7 — GPIO / FMC_D9 / USART2_RTS
引脚 129 VSS — Ground
引脚 130 VDD — Power supply
引脚 131 PB0 — GPIO / ADC12_IN8 / TIM3_CH3
引脚 132 PB1 — GPIO / ADC12_IN9 / TIM3_CH4
引脚 133 PB3 — GPIO / JTDO / SPI1_SCK
引脚 134 PB4 — GPIO / NJTRST / SPI1_MISO
引脚 135 PB5 — GPIO / SPI1_MOSI / I2C1_SMBA
引脚 136 PB6 — GPIO / I2C1_SCL / USART1_TX
引脚 137 PB7 — GPIO / I2C1_SDA / USART1_RX
引脚 138 PB8 — GPIO / I2C1_SCL / CAN1_RX
引脚 139 PB9 — GPIO / I2C1_SDA / CAN1_TX
引脚 140 PE0 — GPIO / TIM4_ETR / FMC_NBL0
引脚 141 PE1 — GPIO / TIM4_CH1 / FMC_NBL1
引脚 142 VSS — Ground
引脚 143 VDD — Power supply
引脚 144 NRST — Reset (active low)

典型应用

STM32F777ZIT6 适用于 6 应用s: Industrial Control Systems, Medical Devices, Audio Processing, IoT Gateways, Motor Drives, Human-Machine Interface (HMI).

🏭

Industrial Control Systems

The STM32F777ZIT6 is ideal for industrial control systems due to its high-performance 216 MHz Cortex-M7 core, extensive communication interfaces (CAN, Ethernet, UART), and robust timer peripherals. It can handle complex PLC logic, motor control, and real-time monitoring. The dual-bank Flash enables safe firmware updates in the field, while the cryptographic accelerator secures communication protocols. Its wide operating temperature range (-40°C to +85°C) ensures reliability in harsh industrial environments. The 12-bit ADC with 3.6 MSPS provides fast and accurate analog signal acquisition for sensors and feedback loops. The FMC interface allows connection to external memory for data logging. With 114 GPIOs, it can interface with numerous sensors and actuators. The device's low-power modes help reduce energy consumption in always-on industrial nodes. The STM32CubeF7 firmware package includes middleware for industrial protocols like Modbus and CANopen, accelerating development.

💊

Medical Devices

The STM32F777ZIT6 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, EEG, and imaging. The cryptographic accelerator ensures secure data transmission and patient privacy compliance. The device's multiple ADCs and DACs interface with biosensors and actuators. The SAI interfaces support audio for alarms and voice guidance. The low-power modes extend battery life in portable devices. The wide supply voltage range (1.7V-3.6V) allows operation from single-cell batteries. The device's reliability and long-term availability make it suitable for medical-grade products. The STM32CubeF7 includes safety documentation and middleware for medical applications. The 2 MB Flash provides ample space for complex algorithms and patient data logging. The FMC interface can connect to external memory for larger data storage. The device's temperature range covers clinical environments.

🎧

Audio Processing

The STM32F777ZIT6 excels in audio processing applications such as audio interfaces, effects processors, and smart speakers. Its 216 MHz Cortex-M7 core with DSP instructions handles real-time audio codecs (MP3, AAC, Opus) and effects. The two SAI interfaces connect to multiple audio codecs and digital microphones. The USB OTG HS supports audio streaming to/from hosts. The Chrom-ART Accelerator can drive graphical user interfaces for audio equipment. The device's high-speed ADC can sample analog audio for processing. The cryptographic accelerator enables secure audio streaming and DRM. The 512 KB SRAM provides ample buffering for audio data. The device's low latency and deterministic timing make it suitable for professional audio. The STM32CubeF7 includes audio middleware like PDM2PCM for MEMS microphones. The device's power efficiency is beneficial for portable audio devices.

🌐

IoT Gateways

The STM32F777ZIT6 is an excellent choice for IoT gateways that aggregate data from multiple sensors and communicate with the cloud. Its Ethernet MAC, USB OTG, and SDMMC interfaces enable wired and wireless connectivity. The cryptographic accelerator secures TLS/DTLS connections and data encryption. The device's multiple UARTs and SPIs interface with various wireless modules (Wi-Fi, LoRa, Zigbee). The 2 MB Flash stores firmware and configuration data. The low-power modes allow energy-efficient operation. The device's processing power handles protocol conversion and edge computing. The FMC interface can connect to external memory for data buffering. The device's wide temperature range suits outdoor installations. The STM32CubeF7 includes LwIP and FreeRTOS middleware for network applications. The device's security features protect against cyber threats.

⚡

Motor Drives

The STM32F777ZIT6 is designed for advanced motor control applications, including brushless DC (BLDC), permanent magnet synchronous (PMSM), and stepper motors. Its high-speed 216 MHz core executes complex FOC algorithms with ease. The high-resolution timers generate precise PWM signals for inverter control. The 12-bit ADC with 3.6 MSPS samples phase currents and voltages for feedback. The device's multiple timers can handle encoder and Hall sensor inputs. The CAN interface enables communication with motor drives in industrial networks. The cryptographic accelerator secures firmware updates and prevents IP theft. The device's temperature range and robustness suit industrial motor drives. The STM32CubeF7 includes motor control libraries (MC SDK) for rapid development. The device's low latency ensures stable control loops. The FMC interface can connect to external memory for data logging.

📺

Human-Machine Interface (HMI)

The STM32F777ZIT6 is ideal for HMI applications such as industrial panels, smart home controllers, and point-of-sale terminals. Its Chrom-ART Accelerator offloads 2D graphics rendering from the CPU, enabling smooth animations and rich user interfaces. The device's TFT-LCD controller (in F769 variant) or external display via FMC supports high-resolution screens. The SAI interfaces drive audio for user feedback. The multiple touch controllers can be interfaced via I2C or SPI. The cryptographic accelerator secures user data and communication. The device's processing power handles complex UI logic and multitasking. The 2 MB Flash stores UI assets and fonts. The device's low-power modes extend battery life in portable HMIs. The STM32CubeF7 includes TouchGFX and STemWin middleware for GUI development. The device's wide temperature range suits various environments.

推荐产品汇总

TJA1051 CAN transceiver for industrial networks 用于: Industrial Control Systems LAN8742A Ethernet PHY for industrial communication 用于: Industrial Control Systems ADS1298 Biopotential ADC for ECG/EEG acquisition 用于: Medical Devices TMP117 Texas Instruments 用于: Medical Devices CS42L51 Audio codec for high-quality audio I/O 用于: Audio Processing TAS5754M Digital audio amplifier for speaker output 用于: Audio Processing ESP32 Wi-Fi module for wireless connectivity 用于: IoT Gateways SX1276 LoRa transceiver for long-range communication 用于: IoT Gateways IR2104 Gate driver for MOSFET/IGBT in inverter 用于: Motor Drives ACS712 Allegro MicroSystems 用于: Motor Drives FT5x06 Capacitive touch controller for display 用于: Human-Machine Interface (HMI) SSD1963 Solomon Systech 用于: Human-Machine Interface (HMI)
What is the maximum clock frequency of STM32F777ZIT6?
The STM32F777ZIT6 operates at a maximum clock frequency of 216 MHz. According to the STM32F777ZI datasheet, this provides 462 DMIPS and 1082 CoreMark performance, making it one of the highest-performing MCUs in the STM32F7 series.
How much Flash and SRAM does STM32F777ZIT6 have?
The STM32F777ZIT6 has 2 MB of dual-bank Flash memory and 512 KB of SRAM. The dual-bank Flash allows simultaneous read-while-write operations, enabling over-the-air firmware updates without halting the application.
What is the difference between STM32F777ZIT6 and STM32F767ZIT6?
The STM32F777ZIT6 adds a hardware cryptographic accelerator (AES, DES, 3DES, SHA-1, SHA-256, MD5) and a true random number generator compared to the STM32F767ZIT6. Both share the same LQFP-144 package and 216 MHz Cortex-M7 core, but the F777 is better suited for secure applications.
Is STM32F777ZIT6 suitable for motor control applications?
Yes, the STM32F777ZIT6 is well-suited for motor control due to its high-speed 216 MHz Cortex-M7 core, advanced timers (including high-resolution timers), and 12-bit ADC with 3.6 MSPS. It can handle complex FOC (Field-Oriented Control) algorithms in real time.
What is the operating voltage range of STM32F777ZIT6?
The STM32F777ZIT6 operates from 1.7V to 3.6V. This wide range allows direct battery operation and compatibility with 3.3V logic. The device also has internal regulators that can be bypassed for lower power consumption.
Can STM32F777ZIT6 be used for audio processing?
Yes, the STM32F777ZIT6 includes two SAI (Serial Audio Interface) peripherals, a full-speed and high-speed USB OTG, and a Chrom-ART Accelerator for graphics. Its 216 MHz Cortex-M7 core with DSP instructions can handle audio codecs and real-time effects.
What is the price of STM32F777ZIT6?
As of 2026-08-06, the unit price for STM32F777ZIT6 is approximately $18.50 at quantity 1, dropping to $11.85 at quantity 1000. Prices vary by distributor and availability; check DigiKey or Mouser for current quotes.
Where can I buy STM32F777ZIT6 online?
STM32F777ZIT6 is available from major distributors such as DigiKey, Mouser, and Arrow. You can also purchase directly from STMicroelectronics' e-store. As of 2026-08-06, it is in stock at most distributors.
What is the lead time for STM32F777ZIT6?
The typical lead time for STM32F777ZIT6 is 8-12 weeks from STMicroelectronics, but many distributors carry stock for immediate shipment. As of 2026-08-06, DigiKey and Mouser list it as in stock with same-day shipping.
What is the best drop-in replacement for STM32F777ZIT6?
The best drop-in replacement for STM32F777ZIT6 is the STM32F767ZIT6, which shares the same LQFP-144 package and pinout but lacks the cryptographic accelerator. For a pin-compatible upgrade with more SRAM, consider the STM32F777ZIT6TR (tape and reel variant).
Can STM32F767ZIT6 replace STM32F777ZIT6?
Yes, the STM32F767ZIT6 is pin-to-pin compatible with the STM32F777ZIT6 and can replace it in most designs. However, the F767 lacks the hardware cryptographic accelerator, so software encryption would be needed for secure applications.
Where can I download the STM32F777ZIT6 datasheet PDF?
The STM32F777ZIT6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f777zi.pdf. It contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32F777ZIT6 pinout?
The STM32F777ZIT6 pinout is detailed in the datasheet (Section 4, Pin descriptions) and in the STM32F7 series reference manual (RM0385). The LQFP-144 package has 114 GPIOs, with multiple alternate functions per pin.
What are the key specifications of STM32F777ZIT6 that engineers should know?
The STM32F777ZIT6 features a 216 MHz ARM Cortex-M7 core, 2 MB dual-bank Flash, 512 KB SRAM, 3x 12-bit ADCs at 3.6 MSPS, 2x 12-bit DACs, and a comprehensive set of communication interfaces including USB OTG HS, Ethernet MAC, and camera interface. It also includes a hardware cryptographic accelerator and Chrom-ART graphics accelerator.
Is STM32F777ZIT6 the same as STM32F767ZIT6?
No, the STM32F777ZIT6 and STM32F767ZIT6 are not identical. The F777 adds a hardware cryptographic accelerator and true random number generator, while the F767 does not. They are pin-compatible and share the same package, but the F777 is a superset.
What is the best NXP equivalent for STM32F777ZIT6?
The NXP i.MX RT1052 is a comparable Cortex-M7 MCU with similar performance, but it uses a BGA package and is not pin-compatible. For a drop-in replacement, stick with STM32F7 series variants like the STM32F767ZIT6.
When should I choose STM32F777ZIT6 over STM32F767ZIT6?
Choose the STM32F777ZIT6 when you need hardware-accelerated cryptography (AES, SHA) for secure communication or firmware protection. If your application does not require hardware crypto, the STM32F767ZIT6 offers the same performance at a lower cost.
Is STM32F777ZIT6 suitable for IoT applications?
Yes, the STM32F777ZIT6 is ideal for IoT gateways and edge devices due to its Ethernet MAC, USB OTG, SDMMC, and cryptographic accelerator. Its low-power modes and wide supply voltage range support battery-powered designs.
What development tools are compatible with STM32F777ZIT6?
The STM32F777ZIT6 is supported by STM32CubeIDE, Keil MDK, IAR EWARM, and GCC-based toolchains. The STM32CubeF7 firmware package provides HAL drivers, middleware (FreeRTOS, FatFS, LwIP), and examples.

工程参考数据: STM32F777ZIT6 ——对比、设计指导和合规信息。

选型指南

Choose the STM32F777ZIT6 when you need the highest performance in the STM32F7 series with hardware cryptography and a true RNG. It is ideal for secure IoT gateways, industrial control, and audio processing. If you do not require hardware crypto, the STM32F767ZIT6 offers the same performance at a lower cost. For applications needing a TFT-LCD controller, consider the STM32F769ZIT6, which adds display support while maintaining pin compatibility. If you need even higher performance (480 MHz) and more SRAM, the STM32H743ZIT6 is an option, but it is not pin-compatible and requires a new PCB layout. For cross-brand alternatives, the NXP i.MX RT1052 offers similar performance but in a BGA package, so it is not a drop-in replacement. Always verify the specific peripheral requirements and pinout compatibility before selecting an alternative.

与替代料对比

参数 本产品 STM32F767ZIT6 STM32F769ZIT6 STM32F777ZIT6TR STM32H743ZIT6
Package LQFP-144 LQFP-144 LQFP-144 LQFP-144 LQFP-144
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7
Max Clock Frequency 216 MHz 216 MHz 216 MHz 216 MHz 480 MHz
Flash Memory 2 MB 2 MB 2 MB 2 MB 2 MB
SRAM 512 KB 512 KB 512 KB 512 KB 1 MB
Cryptographic Accelerator Yes No Yes Yes Yes
TFT-LCD Controller No No Yes No Yes
Pin Compatibility Reference Pin-compatible Pin-compatible Pin-compatible Not pin-compatible

关键差异点

  • Hardware cryptographic accelerator (对比 STM32F767ZIT6)
  • True random number generator (TRNG) (对比 STM32F767ZIT6)
  • Higher performance than STM32F4 series (对比 STM32F407ZIT6)

设计说明

The STM32F777ZIT6 requires a stable 3.3V supply with adequate decoupling. Place a 100nF ceramic capacitor close to each VDD pin and a 4.7uF bulk capacitor at the power entry. The VDDA pin should be filtered with a ferrite bead and 1uF capacitor to reduce noise for the ADC. If using the internal regulator, ensure the VCAP pins have the recommended 2.2uF capacitor to ground. For low-power operation, consider using the bypass mode to reduce quiescent current.

For high-speed interfaces like USB OTG HS and Ethernet, follow the layout guidelines in the STM32F7 hardware development application note (AN4666). Keep traces short and matched for differential pairs. Use a solid ground plane and avoid splitting it under the MCU. For the crystal oscillator, place it close to the OSC_IN/OSC_OUT pins with proper load capacitors and a ground guard ring to minimize noise coupling.

Ensure the boot pins (BOOT0, BOOT1) are configured correctly to boot from Flash. Do not leave the NRST pin floating; connect a 100nF capacitor to ground. When using the FMC interface, verify the timing parameters for the external memory. The dual-bank Flash requires proper configuration to enable read-while-write; refer to the reference manual (RM0385) for the option bytes. Also, note that the STM32F777ZIT6 is not 5V tolerant on most pins, so level shifting is needed for 5V logic.

合规信息

RoHS
Compliant
REACH
Compliant
AEC-Q100
无铅
无卤
Unknown
冲突矿物
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified (industrial grade only).

数据核验日期: 2026-09-14 ——数据由 XAIPART 元器件工程团队核验和整理

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