STM32F769BIT6 - Cortex-M7 MCU 2MB Flash 216MHz LQFP-208 | ST
부품 번호: STM32F769BIT6 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $22.8 | $22.80 |
| 10 | $19.85 | $198.50 |
| 100 | $17.2 | $1,720.00 |
| 500 | $14.9 | $7,450.00 |
| 1,000 | $13.4 | $13,400.00 |
STM32F769BIT6 개요
What is a Cortex-M7 microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, Flash program memory, SRAM data memory, and a wide set of on-chip peripherals such as ADCs, timers, communication controllers and GPIOs. The ARM Cortex-M7 is the highest-performance core in the Cortex-M family, featuring a 6-stage superscalar pipeline, branch prediction, single/double-precision FPU, and tightly-coupled memories. It targets DSP-rich applications, advanced HMI graphics, and high-speed data acquisition where a Cortex-M4/M33 would lack throughput. The STM32F769BIT6 sits in the high-end tier of the STM32 line (LDO → microcontroller → embedded processor → semiconductor).
Key features include an integrated Chrom-ART Accelerator 2D graphics engine, a hardware JPEG codec, dual QSPI/OctoSPI interfaces for external Flash expansion, a TFT-LCD controller up to WXGA, three 12-bit ADCs (2.4 MSPS each), two 12-bit DACs, USB 2.0 OTG FS + HS with on-chip PHY, Ethernet MAC, SDMMC, CAN, I2C, SPI/I2S, UART/USART, and a cryptographic/hash accelerator. The LQFP-208 package exposes up to 168 GPIOs and offers ample headroom for parallel-display, camera (DCMI), and SDRAM-bus expansion designs.
Typical applications include advanced HMI panels with TFT-LCD and touch, industrial control and PLC front-ends, smart-home gateways, barcode scanners and label printers, audio DSP front-ends with the SAI/DFSDM peripherals, motor-control FOC platforms, and point-of-sale terminals. The wide peripheral set makes the STM32F769BIT6 a frequent choice when engineers need both graphics and deterministic real-time behavior in a single MCU.
When designing with this part, pay attention to the BYPASS_REG and VCAP pins: the integrated SMPS step-down regulator of the F7 series requires two external capacitors on each VCAP pin for the 1.1V core rail, and the BYPASS_REG pin must be tied correctly to select internal-regulator or external-supply mode. Decoupling should follow ST's AN4661 guidance (multiple 100 nF plus bulk 4.7 µF per supply rail).
This page synthesizes distributor pricing, drop-in LQFP-208 alternatives from ST and cross-brand options, and engineering-grade selection notes that complement - but do not replace - the manufacturer datasheet.
드롭인 대체품: STM32F769BIT6 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: STM32F769BIT6 (동일 폼 팩터 및 풋프린트) — 차이점: Package, Operating Temperature, SRAM, Core, Communication Interfaces.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
STM32F779BIT6
✅ 드롭인✓ 재고 있음
$11.75 / 개
데이터시트 보기 →STM32F767BIT6
✅ 드롭인✓ 재고 있음
$11.85 / 개
데이터시트 보기 →STM32F769BGT6
✅ 드롭인✓ 재고 있음
$17.92 / 개
데이터시트 보기 →STM32F765BIT6
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
STM32F777BIT6
✅ 드롭인✓ 재고 있음
$11.6 / 개
데이터시트 보기 →STM32F769BIT6 최대 정격 & 전기적 특성
| Core | ARM Cortex-M7 32-bit with FPU and DSP |
| 최대 클록 주파수 | 216 MHz |
| Performance | 462 DMIPS / 1082 CoreMark |
| Program Memory (Flash) | 2 MB |
| SRAM | 512 KB total |
| Instruction Cache (I-cache) | 16 KB |
| Supply Voltage (VDD) | 1.7 V to 3.6 V |
| 동작 온도 | -40 C to +85 C |
| 패키지 | LQFP-208 (28x28 mm) |
| Communication Interfaces | USB OTG FS + HS, Ethernet MAC, 3x CAN, SDMMC, SAI, DFSDM, 4x I2C, 6x SPI/I2S, 4x USART + 4x UART |
| Analog | 3x 12-bit ADC (2.4 MSPS), 2x 12-bit DAC |
| Graphics / Media | Chrom-ART Accelerator 2D, JPEG codec, LCD-TFT controller up to WXGA |
| External Memory Bus | FMC / SDRAM, dual-mode QSPI/OctoSPI |
| Cryptography | AES-256, SHA-1/SHA-256, RNG, Unique 96-bit ID |
| 실장 유형 | Surface Mount |
| MSL 레벨 | 3 (168 hours) |
| RoHS 상태 | Compliant |
STM32F769BIT6 핀 구성
| 핀 1 | PE02 — GPIO port E bit 2, multi-function (TRACECLK / TIM9_CH1 / FSMC_A23) |
| 핀 2 | PE03 — GPIO port E bit 3, multi-function (TRACED0 / TIM9_CH2 / FSMC_A19) |
| 핀 3 | PE04 — GPIO port E bit 4, multi-function (TRACED1 / TIM9_CH3 / FSMC_A20) |
| 핀 4 | PE05 — GPIO port E bit 5, multi-function (TRACED2 / TIM9_CH4 / FSMC_A21) |
| 핀 5 | PE06 — GPIO port E bit 6, multi-function (TRACED3 / TIM1_BKIN / FSMC_A22) |
| 핀 6 | VBAT — Battery backup supply for RTC / backup registers |
| 핀 7 | PC13 — GPIO port C bit 13, anti-tamper / RTC_TAMP1 |
| 핀 8 | PC14 — GPIO port C bit 14, OSC32_IN (LSE crystal) |
| 핀 9 | PC15 — GPIO port C bit 15, OSC32_OUT (LSE crystal) |
| 핀 10 | VSS — Ground |
| 핀 11 | VDD — Digital supply 1.7-3.6 V |
| 핀 12 | OSC_IN — HSE crystal input (4-26 MHz) |
| 핀 13 | OSC_OUT — HSE crystal output |
| 핀 14 | NRST — Reset input (active low) |
| 핀 15 | VREF+ — ADC positive reference voltage |
| 핀 16 | VSSA — Analog ground |
| 핀 17 | VDDA — Analog supply 1.7-3.6 V |
| 핀 18 | PA00 — GPIO port A bit 0, multi-function (TIM2_CH1 / UART4_TX / ADC1_IN0) |
| 핀 19 | PA01 — GPIO port A bit 1, multi-function (TIM2_CH2 / UART4_RX / ADC1_IN1) |
| 핀 20 | BYPASS_REG — Tie to VDD to enable internal SMPS; tie to GND to bypass (external Vcore) |
일반적인 애플리케이션
STM32F769BIT6 적합 용도: 6 애플리케이션s: Advanced TFT-LCD HMI Panel, Industrial Control / PLC Front-End, Smart-Home Gateway / IoT Hub, Audio DSP Front-End (Pro Audio / Mixer), Barcode Scanner / Label Printer HMI, Point-of-Sale (POS) Terminal.
Advanced TFT-LCD HMI Panel
The STM32F769BIT6 is one of ST's premier Cortex-M7 choices for TFT-LCD HMI panels up to WXGA (1366x768). Its integrated LCD-TFT controller, Chrom-ART 2D graphics accelerator, and 16 KB I-cache remove the need for an external graphics controller and allow smooth multi-layer GUI animations at 60 fps. The 2 MB Flash holds full TouchGFX or Embedded Wizard assets, and the 512 KB SRAM provides the framebuffer for two overlay layers with alpha blending. Designers typically pair this MCU with an SDRAM via the FMC interface for large-image buffering. Unlike lower-FPL LCM3 Cortex-M4 parts, the F769's hardware JPEG codec offloads camera-input JPEG decode, enabling scanner/printer panels with single-chip architecture.
추천
Industrial Control / PLC Front-End
The STM32F769BIT6 is widely used in industrial PLC and process-control front-end modules where both high-speed deterministic logic and human-machine display are required. The three 12-bit ADCs (2.4 MSPS each) sample up to eight channels simultaneously for multi-phase current sensing, while the HRTIM (high-resolution timer) drives 16-bit resolution PWMs for FOC motor control. The three CAN FD controllers provide fieldbus isolation, the Ethernet MAC supports industrial protocols (EtherCAT slave via external ASIC), and the FMC bus interfaces to parallel SRAM/NOR/NAND. The wide 1.7-3.6 V supply and -40 to +85 C temperature range match IEC 61168 industrial operating envelopes.
추천
Smart-Home Gateway / IoT Hub
The STM32F769BIT6 powers smart-home gateways that aggregate Wi-Fi/BLE/Zigbee peripherals via UART/SPI/USB and present an on-device TFT-LCD for local status. The Cortex-M7 at 216 MHz runs MQTT/TLS stacks alongside the LCD refresh, and the integrated Ethernet MAC with dedicated DMA and L2 buffer avoids burdening the CPU. The dual-mode QSPI/OctoSPI interface pairs with a Macronix MX25L to provide gigabyte-scale local logging for events, and the SAI interface supports audio playback for doorbell, intercom, or voice-assistant functions. Engineers often select this MCU when Cortex-M33 (785) lacks the graphics headroom but Cortex-M7 (785) is preferred over a Linux SoC for BOM cost reasons.
추천
Audio DSP Front-End (Pro Audio / Mixer)
The STM32F769BIT6's Cortex-M7 with single/double-precision FPU plus DSP extensions and the SAI (Serial Audio Interface) up to 4x stereo I2S lines make it a strong choice for pro-audio mixer consoles and USB audio interfaces. The S/PDIF receiver via SPDIFRX, the DFSDM digital filter (sigma-delta), and the dual 12-bit DAC support headphone monitoring and analog VU meters. The USB HS OTG with on-chip PHY presents as a class-compliant USB Audio 2.0 device at 480 Mbps. The 216 MHz core runs 32-bit audio at 192 kHz with headroom for EQ, reverb, and dynamics processing without external DSP silicon.
추천
Barcode Scanner / Label Printer HMI
The STM32F769BIT6's hardware JPEG decoder, combined with the DCMI camera interface and the LTDC controller, enables barcode scanners and label printers that capture image, decode, and present an HMI on a built-in LCD. The USB HS OTG with PHY presents the scanner as a HID/CDC composite to the host, while the SAI and DFSDM interfaces drive piezo buzzers for audible feedback. Engineers use the FPU/DSP for fast edge-detection and 2D-barcode decoding without external DSP, while the 16 KB I-cache accelerates the JPEG decode loops that access Flash at the screen-refresh cadence.
추천
Point-of-Sale (POS) Terminal
The STM32F769BIT6 is well suited for POS terminals that combine a 480x800 or higher TFT display, capacitive touch via I2C, a printer interface (USART), magnetic-stripe reader (SPI), NFC (via SPI), and Ethernet connectivity. The Cortex-M7 at 216 MHz runs TLS handshake and EMV payment protocol stacks while updating the LCD framebuffer at 60 fps via LTDC and Chrom-ART. The dual-bank Flash supports secure firmware updates with rollback, and the hardware RNG and AES-256 accelerator handle payment-data encryption. The LQFP-208 footprint exposes 168 GPIOs, more than enough for keypad matrix, GPIO-expander, and motor-control relays.
추천
추천 제품 요약
엔지니어링 참조 데이터: STM32F769BIT6 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | STM32F779BIT6 | STM32F767BIT6 | STM32F769BGT6 | STM32F765BIT6 | STM32F777BIT6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-208 | LQFP-208 (same) | LQFP-208 (same) | LQFP-208 (same) | LQFP-208 (same) | LQFP-208 (same) |
| Core | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 | ARM Cortex-M7 |
| Maximum Clock | 216 MHz | 216 MHz | 216 MHz | 216 MHz | 216 MHz | 216 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 1 MB (-50%) | 2 MB | 2 MB |
| SRAM | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 512 KB |
| JPEG Codec | Yes (hardware) | Yes | No | Yes | No | Yes |
| Cryptographic Accelerator | AES-256 / SHA / RNG | AES/SHA/RNG + Secure Boot | AES/SHA/RNG | AES/SHA/RNG | AES/SHA/RNG | AES/SHA/RNG + Secure Boot |
| Operating Temperature | -40 C to +85 C (commercial grade) | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +85 C |
| Indicative 1k Price (USD) | $13.40 | $15.20 | $12.50 | $11.80 | $10.50 | $14.50 |
주요 차별점
- Highest memory configuration in the STM32F7 family (vs STM32F769BGT6)
- Hardware JPEG codec on-chip (vs STM32F767BIT6)
- Commercial temperature range -10C -20C wider than F7 industrial variants (vs STM32F779BIT6)
설계 노트
The STM32F769BIT6 integrates a step-down SMPS regulator driving the 1.1 V core rail. Two external 2.2 µF ceramic capacitors must be placed on each VCAP_1 / VCAP_2 pin as close as possible (per ST AN4661 hardware-design note). If BYPASS_REG is tied to GND, the SMPS is bypassed and an external 1.0-1.2 V core supply must be connected to VCAP pins. Forgetting the VCAP caps is the most common F7-series BOM error and prevents the part from entering the running state. Provide a 4.7 µF bulk capacitor on each of VDD, VDDA, and USB_HS_VBUS rails, with 100 nF decoupling on every VDD pin (208-LQFP exposes 12+ VDD pins).
For TFT-LCD designs, place the LQFP-208 MCU within 25 mm of the FMC/SDRAM connector to keep trace lengths matched. Use 50-ohm controlled impedance on the LTDC clock/data bus. The USB HS PHY traces to the USB connector must be 90-ohm differential, length-matched within 0.5 mm. The Ethernet MAC MII/RMII traces to the PHY should be 50-ohm single-ended with ground reference plane on layer 2. The 16 KB I-cache eliminates most Flash wait-state penalties but does not eliminate the need for careful Flash-Vcore power sequencing; ensure VCAP ramps within 10 ms of VDD rising.
Estimated: at 216 MHz, 1.7 V VDD, executing CoreMark with all peripherals off, the F769BIT6 consumes ~180 mW. With the LQFP-208 theta_JA around 30 C/W (4-layer JEDEC test board), junction temperature rise above ambient is ~5 C, well within the -40 to +85 C operating range. If the design forces sustained 1.0 V Vcore at full 216 MHz with all peripherals enabled, add a copper pour under the exposed pad-style lead frame, or consider upgrading to STM32H743 which has lower power per MHz. Industrial designs should still validate with a thermocouple on the package.
Five common pitfalls to avoid: (a) using STM32H7 firmware on STM32F7 - the SMPS power scheme and interrupt vector table differ; (b) forgetting the BYPASS_REG tie state and leaving it floating; (c) routing USB HS D+/D- over a non-continuous reference plane; (d) enabling JTAG/SWD without checking the boot-mode pins (BOOT0 = 0 for Flash boot, BOOT0 = 1 for system memory bootloader); (e) attempting to use FMC NAND bank 2 with 16-bit mode without the NANDCLK pin routing. Refer to ST ES0331 errata sheet for the current list of F7 silicon revisions and known bugs.
규정 준수 정보
RoHS compliant per ST product page. Commercial grade temperature (BIT6 suffix = -40 to +85 C). Not AEC-Q100 qualified; choose automotive-grade STM32F769BGT6-Q1 variant for vehicle applications. Halogen-free status not extracted from verified data; refer to ST material declaration.
