STMicroelectronics

STM32F777BIT6 - 2MB Flash, 216MHz ARM Cortex-M7 MCU | STMicroelectronics

MPN: STM32F777BIT6 βœ“ Active
In Stock (99,999) Ships in 1-3 business days
1.7 V to 3.6 V Vdss LQFP208 (28x28 mm, 0.5 mm pitch) Package 216 MHz Speed 2 MB (dual-bank) Memory
$18.5 USD / Unit
MOQ: 1 |
Volume Pricing
Qty Unit Price Extended
1 $18.5 $18.50
10 $16.8 $168.00
100 $14.2 $1,420.00
500 $12.9 $6,450.00
1,000 $11.6 $11,600.00
ℹ️ All prices are in USD

Drop-in alternatives for STM32F777BIT6 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

STM32F767BIT6

βœ… Drop-In
πŸ“¦ LQFP208
Same package and pinout, but lacks hardware crypto and TRNG

πŸ“‹ Reference alternative (not in catalog)

STM32F777BIT6TR

βœ… Drop-In
πŸ“¦ LQFP208
Same die, tape and reel packaging variant

πŸ“‹ Reference alternative (not in catalog)

STM32F777BII6

βœ… Drop-In
πŸ“¦ LQFP208
Industrial temperature grade (-40C to +125C)

πŸ“‹ Reference alternative (not in catalog)

STM32F779BIT6

βœ… Drop-In
πŸ“¦ LQFP208
Adds TFT-LCD controller and JPEG codec, same package

πŸ“‹ Reference alternative (not in catalog)

LPC54628J512BD208

⚑ Same Package
πŸ“¦ LQFP208
Cortex-M4 core, 512KB Flash, not pin-compatible, requires software porting

πŸ“‹ Reference alternative (not in catalog)

STM32F777BIT6 Maximum Ratings & Electrical Characteristics

Core ARM Cortex-M7
Maximum Clock Frequency 216 MHz
Flash Memory 2 MB (dual-bank)
SRAM 512 KB
Package LQFP208 (28x28 mm, 0.5 mm pitch)
Supply Voltage 1.7 V to 3.6 V
Operating Temperature -40C to +85C
GPIO Pins 168
ADC Resolution 12-bit
ADC Channels 24
DAC Channels 2 (12-bit)
Communication Interfaces Ethernet MAC, USB OTG HS, CAN, SPI, I2C, UART
Timers 12 (16-bit and 32-bit)
DMA Channels 16
Cryptographic Acceleration AES, DES, 3DES, HASH
RoHS Status Compliant

STM32F777BIT6 Pin Configuration

QFP-208 Package Pinout Diagram QFP-208 28x28mm, P0.5mm, JEDEC. 1 52 QFP-208
Pin 1 PE2 β€” GPIO / alternate function
Pin 2 PE3 β€” GPIO / alternate function
Pin 3 PE4 β€” GPIO / alternate function
Pin 4 PE5 β€” GPIO / alternate function
Pin 5 PE6 β€” GPIO / alternate function
Pin 6 VBAT β€” Backup battery supply
Pin 7 PC13 β€” GPIO / RTC tamper
Pin 8 PC14 β€” GPIO / OSC32_IN
Pin 9 PC15 β€” GPIO / OSC32_OUT
Pin 10 PF0 β€” GPIO / alternate function
Pin 11 PF1 β€” GPIO / alternate function
Pin 12 PF2 β€” GPIO / alternate function
Pin 13 PF3 β€” GPIO / alternate function
Pin 14 PF4 β€” GPIO / alternate function
Pin 15 PF5 β€” GPIO / alternate function
Pin 16 PF6 β€” GPIO / alternate function
Pin 17 PF7 β€” GPIO / alternate function
Pin 18 PF8 β€” GPIO / alternate function
Pin 19 PF9 β€” GPIO / alternate function
Pin 20 PF10 β€” GPIO / alternate function

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for STM32F777BIT6 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32F777BIT6 is suitable for 6 applications: Industrial Control Systems, Medical Devices, Smart Home Hubs, High-End Consumer Electronics, IoT Gateways, Automotive Infotainment.

🏭

Industrial Control Systems

The STM32F777BIT6 is ideal for industrial control systems due to its 216 MHz Cortex-M7 core, 12 timers, and 16 DMA channels. It can handle complex control algorithms, real-time communication (Ethernet, CAN), and multiple sensor inputs simultaneously. The wide operating temperature range (-40C to +85C) and robust peripheral set ensure reliable operation in harsh factory environments. The hardware cryptographic accelerator enables secure communication protocols like TLS for industrial IoT gateways. With 2 MB Flash and 512 KB SRAM, it can store large control programs and data logs. The dual-bank Flash allows firmware updates without downtime, critical for continuous production lines. The LQFP208 package provides ample I/O for connecting to sensors, actuators, and human-machine interfaces.

πŸ’Š

Medical Devices

The STM32F777BIT6 is suitable for medical devices such as patient monitors, infusion pumps, and diagnostic equipment. Its high performance enables real-time signal processing from sensors (ECG, SpO2) and driving graphical displays. The hardware cryptographic accelerator ensures secure data transmission and patient privacy compliance. The low-power modes extend battery life in portable devices. The 12-bit ADC with 24 channels can acquire multiple physiological signals simultaneously. The device's reliability and long-term availability make it a trusted choice for medical applications. The LQFP208 package allows compact PCB designs, and the wide voltage range supports battery operation. The Chrom-ART accelerator enhances GUI performance for user-friendly interfaces.

🧩

Smart Home Hubs

The STM32F777BIT6 is an excellent choice for smart home hubs, providing the processing power to manage multiple wireless protocols (Zigbee, Z-Wave, Wi-Fi) via external modules. Its Ethernet MAC enables wired backbone connectivity, while USB OTG supports local storage and device connections. The hardware crypto accelerator secures communication with cloud services. The device can drive a TFT touchscreen for user interaction, and its low-power modes reduce energy consumption when idle. With 2 MB Flash, it can store complex automation rules and firmware updates. The LQFP208 package offers enough I/O to interface with various sensors and actuators throughout the home.

πŸ“Ί

High-End Consumer Electronics

The STM32F777BIT6 powers high-end consumer electronics like smart speakers, gaming peripherals, and home automation controllers. Its 216 MHz Cortex-M7 core handles audio processing, voice recognition, and graphical user interfaces. The Chrom-ART accelerator and TFT LCD controller enable rich visual displays. The device supports multiple audio interfaces (I2S, SAI) for high-quality audio output. The hardware crypto accelerator enables secure firmware updates and DRM. With 2 MB Flash and 512 KB SRAM, it can run complex applications and store multimedia content. The LQFP208 package allows integration into compact consumer devices.

🌐

IoT Gateways

The STM32F777BIT6 is well-suited for IoT gateways that aggregate data from multiple sensors and devices, process it locally, and transmit to the cloud. Its Ethernet MAC and USB OTG provide wired connectivity, while external modules add Wi-Fi, LoRa, or cellular. The hardware crypto accelerator ensures secure data transmission (TLS/DTLS). The device can run edge computing algorithms to reduce cloud latency. With 2 MB Flash, it can store gateway firmware and local data buffering. The low-power modes help reduce energy consumption in always-on gateways. The LQFP208 package provides ample I/O for connecting to various sensor interfaces.

πŸš—

Automotive Infotainment

The STM32F777BIT6 is used in automotive infotainment systems for dashboard displays, navigation, and multimedia playback. Its high performance supports 2D graphics rendering and video decoding (JPEG codec). The device interfaces with CAN and Ethernet for vehicle networking. The hardware crypto accelerator enables secure software updates and communication. The wide temperature range (-40C to +85C) meets automotive requirements. The LQFP208 package allows integration into head units. The device's reliability and long-term availability make it suitable for automotive applications.

Recommended Products Summary

TJA1051 CAN transceiver for industrial networking Used in: Industrial Control Systems LAN8720A Ethernet PHY for 10/100 Mbps connectivity Used in: Industrial Control Systems ADS1298 24-bit biopotential ADC for ECG/EEG Used in: Medical Devices SSD1963 LCD controller for medical displays Used in: Medical Devices ESP8266 Wi-Fi module for wireless connectivity Used in: Smart Home Hubs CC2530 Zigbee radio for smart home mesh network Used in: Smart Home Hubs CS42L51 Audio codec for high-fidelity sound Used in: High-End Consumer Electronics FT5x06 Capacitive touch controller for displays Used in: High-End Consumer Electronics SX1276 LoRa transceiver for long-range IoT Used in: IoT Gateways W5500 Hardwired TCP/IP Ethernet controller Used in: IoT Gateways TJA1043 CAN transceiver for automotive networks Used in: Automotive Infotainment KSZ8081 Ethernet PHY for automotive Ethernet Used in: Automotive Infotainment
What is the maximum clock frequency of STM32F777BIT6?
The STM32F777BIT6 operates at a maximum clock frequency of 216 MHz. According to the STMicroelectronics datasheet, this provides 462 DMIPS and 1082 CoreMark performance, making it one of the highest-performance MCUs in the STM32F7 series.
How much Flash memory does STM32F777BIT6 have?
The STM32F777BIT6 has 2 MB of dual-bank Flash memory. This dual-bank architecture allows read-while-write operations, enabling firmware updates without halting the system, which is critical for field-updatable applications.
What is the difference between STM32F777BIT6 and STM32F767BIT6?
The STM32F777BIT6 and STM32F767BIT6 are both Cortex-M7 MCUs with 2 MB Flash and 512 KB SRAM, but the STM32F777 adds a hardware cryptographic processor (AES, DES, 3DES, HASH) and a true random number generator (TRNG). The STM32F767 lacks these security features. Both share the same LQFP208 package and are pin-compatible.
Can STM32F777BIT6 be used for real-time control applications?
Yes, the STM32F777BIT6 is suitable for real-time control due to its 216 MHz Cortex-M7 core, 12 timers (including 32-bit timers), and 16 DMA channels. The deterministic interrupt handling and high clock speed ensure low-latency response for industrial control loops.
What is the operating voltage range of STM32F777BIT6?
The STM32F777BIT6 operates from 1.7V to 3.6V. This wide range allows direct battery operation and compatibility with 3.3V logic. The internal voltage regulator provides 1.2V for the core, and the I/O pins are 5V tolerant.
Does STM32F777BIT6 support Ethernet connectivity?
Yes, the STM32F777BIT6 includes a 10/100 Ethernet MAC with dedicated DMA. It supports MII and RMII interfaces, requiring an external PHY chip. This makes it ideal for IoT gateways and industrial networking applications.
What is the price of STM32F777BIT6?
As of 2026-08-13, the price of STM32F777BIT6 is approximately $18.50 for single-unit quantities, dropping to $11.60 at 1000 units. Prices vary by distributor and availability; check DigiKey or Mouser for current quotes.
Where can I buy STM32F777BIT6 online?
STM32F777BIT6 is available from major distributors such as DigiKey, Mouser, and Arrow. You can also purchase directly from STMicroelectronics' e-store. As of 2026-08-13, it is in stock at DigiKey with a lead time of 1-2 weeks for larger quantities.
What is the lead time for STM32F777BIT6?
The typical lead time for STM32F777BIT6 is 8-12 weeks for large orders, but small quantities are usually in stock at distributors. As of 2026-08-13, DigiKey shows immediate availability for single units.
Is STM32F777BIT6 suitable for battery-powered devices?
Yes, the STM32F777BIT6 offers multiple low-power modes: Sleep, Stop, and Standby. In Standby mode, current consumption can be as low as 2.8 uA with RTC enabled. The wide voltage range (1.7V-3.6V) also supports direct battery operation.
What is the best drop-in replacement for STM32F777BIT6?
The best drop-in replacement for STM32F777BIT6 is the STM32F777BIT6TR (tape and reel variant) or the STM32F767BIT6 (if security features are not needed). Both are pin-compatible in the LQFP208 package. For cross-brand, the NXP LPC54628J512BD208 is a functional alternative but requires software porting.
Can STM32F767BIT6 replace STM32F777BIT6?
Yes, the STM32F767BIT6 can replace STM32F777BIT6 in most applications, as they share the same package, pinout, and core specifications. The only difference is the absence of the cryptographic hardware accelerator and TRNG in the F767. If your application does not require hardware encryption, the F767 is a cost-effective drop-in replacement.
Where can I download the STM32F777BIT6 datasheet PDF?
The STM32F777BIT6 datasheet is available for download from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f777bi.pdf. It contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32F777BIT6 pinout?
The STM32F777BIT6 pinout is detailed in the datasheet and the STM32F7 reference manual (RM0385). The LQFP208 package has 168 GPIO pins, with pin functions configurable via the alternate function mapping table.
What are the key specifications of STM32F777BIT6 that engineers should know?
Engineers should know that STM32F777BIT6 features a 216 MHz ARM Cortex-M7 core, 2 MB dual-bank Flash, 512 KB SRAM, 168 GPIOs, 12-bit ADC with 24 channels, Ethernet MAC, USB OTG HS, and hardware cryptographic acceleration. It operates from 1.7V to 3.6V and is available in LQFP208 package.
Hey Google, what can replace STM32F777BIT6?
The STM32F777BIT6 can be replaced by the STM32F767BIT6 (same package, no crypto) or the STM32F777BIT6TR (tape and reel). For cross-brand, the NXP LPC54628J512BD208 is a functional alternative, but it requires software porting and is not pin-compatible.
Is STM32F777BIT6 the same as STM32F767BIT6?
No, the STM32F777BIT6 and STM32F767BIT6 are not identical. The STM32F777 adds a hardware cryptographic processor (AES, DES, 3DES, HASH) and a true random number generator (TRNG), while the STM32F767 does not. They are pin-compatible and share the same package, but the F777 has enhanced security features.
What is the best NXP equivalent for STM32F777BIT6?
The best NXP equivalent for STM32F777BIT6 is the LPC54628J512BD208, which features a 220 MHz Cortex-M4 core, 512 KB Flash, and 200 KB SRAM. However, it is not pin-compatible and requires a different PCB layout. For a pin-compatible alternative, stick with STM32F7 series.
When should I choose STM32F777BIT6 over STM32F767BIT6?
Choose STM32F777BIT6 over STM32F767BIT6 when your application requires hardware-accelerated cryptography (AES, DES, 3DES, HASH) or a true random number generator for secure communication, secure boot, or data encryption. If these features are not needed, the STM32F767BIT6 offers the same performance at a lower cost.
Is STM32F777BIT6 suitable for IoT applications?
Yes, the STM32F777BIT6 is well-suited for IoT applications due to its Ethernet MAC, USB OTG, multiple UARTs/SPIs/I2Cs, and hardware cryptographic acceleration for secure communication. The low-power modes and wide voltage range also support battery-powered IoT devices.

Engineering reference data for STM32F777BIT6 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32F777BIT6 when you need the highest performance and security features in the STM32F7 series. It is ideal for applications requiring hardware-accelerated cryptography, such as secure IoT gateways, medical devices, and industrial control with secure communication. If you do not need hardware crypto, the STM32F767BIT6 offers the same performance at a lower cost. For applications requiring a TFT LCD controller and JPEG codec, consider the STM32F779BIT6, which is pin-compatible. The NXP LPC54628J512BD208 is a functional alternative but requires significant software porting and offers lower performance and memory, so it is only recommended if you have legacy NXP code or specific NXP ecosystem requirements.

Comparison with Alternatives

Parameter This Product STM32F767BIT6 STM32F777BIT6TR STM32F777BII6 STM32F779BIT6 LPC54628J512BD208
Package LQFP208 LQFP208 - same LQFP208 - same LQFP208 - same LQFP208 - same LQFP208 - same
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics NXP Semiconductors
Core ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M7 ARM Cortex-M4
Max Clock Frequency 216 MHz 216 MHz 216 MHz 216 MHz 216 MHz 220 MHz
Flash Memory 2 MB 2 MB 2 MB 2 MB 2 MB 512 KB
SRAM 512 KB 512 KB 512 KB 512 KB 512 KB 200 KB
Hardware Crypto Yes (AES, DES, 3DES, HASH) No Yes (AES, DES, 3DES, HASH) Yes (AES, DES, 3DES, HASH) Yes (AES, DES, 3DES, HASH) No
Ethernet MAC Yes Yes Yes Yes Yes Yes

Key Differentiators

  • Hardware cryptographic acceleration (vs STM32F767BIT6)
  • True random number generator (TRNG) (vs STM32F767BIT6)
  • Higher performance than NXP LPC54628 (vs LPC54628J512BD208)

Design Notes

The STM32F777BIT6 requires a stable 3.3V supply with adequate decoupling. Place 100nF ceramic capacitors close to each VDD pin and a 4.7uF bulk capacitor near the main supply. The VCAP pins require a 2.2uF capacitor to ground for the internal regulator. Ensure the VBAT pin is connected to a backup battery or tied to VDD if not used.

For the LQFP208 package, use a 4-layer PCB with a solid ground plane. Route high-speed signals (Ethernet, USB) with controlled impedance (50 ohm for single-ended, 90 ohm differential for USB). Keep crystal oscillator traces short and shielded. Place the decoupling capacitors as close as possible to the power pins to minimize loop area.

At 216 MHz with all peripherals active, the STM32F777BIT6 can dissipate up to 500mW. The LQFP208 package has a thermal resistance of 28C/W (theta_JA). Ensure adequate airflow or a heatsink if the ambient temperature exceeds 70C. Use the exposed pad (if available) for better heat transfer to the PCB.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Lead Free
Yes
Halogen Free
Yes
Conflict Minerals
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive use, consider STM32F777BII6 (industrial grade) or other automotive-qualified variants.

Data verified on: 2026-08-13
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