STM32L4S9ZIT6 - Ultra-Low-Power ARM Cortex-M4F MCU | STMicroelectronics
N.º da peça: STM32L4S9ZIT6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.25 | $112,50 |
| 100 | $10 | $1.000,00 |
| 500 | $9 | $4.500,00 |
| 1.000 | $8.1 | $8.100,00 |
STM32L4S9ZIT6 Visão geral
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. The STM32L4 series is part of STMicroelectronics' ultra-low-power portfolio, targeting battery-powered and energy-harvesting applications. The Cortex-M4 core with FPU enables efficient digital signal processing (DSP) instructions and single-precision floating-point arithmetic, bridging the gap between general-purpose MCUs and higher-end application processors.
Key features include a rich set of analog peripherals: three 12-bit ADCs with up to 5 MSPS, two 12-bit DACs, two operational amplifiers, two comparators, and an internal voltage reference buffer. For connectivity, it offers multiple communication interfaces: 6x I2C, 6x USART/UART, 3x SPI, 2x SAI (serial audio interface), 1x SDMMC, 1x CAN, 1x USB OTG FS, and 1x camera interface (DCMI). The device also includes a Chrom-ART Accelerator (DMA2D) for 2D graphics, a true random number generator (TRNG), and a hardware cryptographic accelerator (AES, DES, 3DES, and SHA-1/SHA-256).
The STM32L4S9ZIT6 is built on a 40 nm process technology, achieving ultra-low power consumption: 100 nA in shutdown mode, 3.6 uA in standby mode with RTC, and 28 uA/MHz in run mode. It supports a wide supply voltage range of 1.71V to 3.6V, with an internal voltage regulator and power management unit. The device includes a flexible power controller with multiple low-power modes (Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, Shutdown) to optimize energy efficiency.
Typical applications include industrial sensors, smart meters, medical devices, wearable devices, IoT nodes, and audio processing. The large memory and rich peripherals make it ideal for applications requiring local data logging, advanced user interfaces, or real-time signal processing. The Chrom-ART accelerator and TFT-LCD controller (LTDC) support graphical displays without burdening the CPU.
When designing with this device, pay attention to power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 4.7 uF capacitor on the main supply. For low-power modes, configure the RTC and wakeup sources carefully to minimize current consumption. The device supports in-circuit programming and debugging via SWD and JTAG interfaces, facilitating development.
Alternativas drop-in para STM32L4S9ZIT6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32L4S9ZIT6 (mesmo formato e footprint) — diferindo em Core, Flash Memory, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32L4S7ZIT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L4S5ZIT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L4R9ZIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$7.2 / unidade
Ver ficha técnica →R7FS7G27H2A01CLK
⚡ Mesmo encapsulamento ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L4S9ZIT6 Classificações máximas e características elétricas
| Core | ARM Cortex-M4 with FPU |
| Frequência máxima de clock | 120 MHz |
| Flash Memory | 2 MB |
| SRAM | 640 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Faixa de temperatura de operação | -40C to +85C |
| Encapsulamento | LQFP144 (20x20 mm) |
| Number of I/Os | 114 |
| ADC Resolution | 12-bit (3x ADC, up to 5 MSPS) |
| DAC Resolution | 12-bit (2x DAC) |
| Communication Interfaces | 6x I2C, 6x USART/UART, 3x SPI, 2x SAI, 1x SDMMC, 1x CAN, 1x USB OTG FS, 1x DCMI |
| Timers | 2x 32-bit, 6x 16-bit, 2x low-power, 1x SysTick |
| DMA Channels | 2x DMA with 16 channels each |
| Cryptographic Acceleration | AES, DES, 3DES, SHA-1, SHA-256 |
| Random Number Generator | TRNG |
| Low-Power Modes | Sleep, Low-power run, Low-power sleep, Stop 0/1/2, Standby, Shutdown |
| Standby Current | 3.6 uA (with RTC) |
| Corrente de desligamento | 100 nA |
| Run Current | 28 uA/MHz |
| Status RoHS | Compliant |
Configuração de pinos do STM32L4S9ZIT6
| Pino 1 | PE2 — GPIO / TRACECLK |
| Pino 2 | PE3 — GPIO / TRACED0 |
| Pino 3 | PE4 — GPIO / TRACED1 |
| Pino 4 | PE5 — GPIO / TRACED2 |
| Pino 5 | PE6 — GPIO / TRACED3 |
| Pino 6 | VBAT — Battery backup supply |
| Pino 7 | PC13 — GPIO / RTC_TAMP1 / RTC_TS |
| Pino 8 | PC14 — GPIO / OSC32_IN |
| Pino 9 | PC15 — GPIO / OSC32_OUT |
| Pino 10 | PF0 — GPIO / OSC_IN |
| Pino 11 | PF1 — GPIO / OSC_OUT |
| Pino 12 | PF2 — GPIO |
| Pino 13 | VSSA — Analog ground |
| Pino 14 | VDDA — Analog power supply |
| Pino 15 | PA0 — GPIO / ADC_IN0 / DAC_OUT1 |
| Pino 16 | PA1 — GPIO / ADC_IN1 / DAC_OUT2 |
| Pino 17 | PA2 — GPIO / USART2_TX / ADC_IN2 |
| Pino 18 | PA3 — GPIO / USART2_RX / ADC_IN3 |
| Pino 19 | VSS — Ground |
| Pino 20 | VDD — Power supply |
| Pino 21 | PA4 — GPIO / SPI1_NSS / DAC_OUT1 |
| Pino 22 | PA5 — GPIO / SPI1_SCK / DAC_OUT2 |
| Pino 23 | PA6 — GPIO / SPI1_MISO / ADC_IN6 |
| Pino 24 | PA7 — GPIO / SPI1_MOSI / ADC_IN7 |
| Pino 25 | PE7 — GPIO / TIM1_ETR |
| Pino 26 | PE8 — GPIO / TIM1_CH1N |
| Pino 27 | PE9 — GPIO / TIM1_CH1 |
| Pino 28 | PE10 — GPIO / TIM1_CH2N |
| Pino 29 | PE11 — GPIO / TIM1_CH2 |
| Pino 30 | PE12 — GPIO / TIM1_CH3N |
| Pino 31 | PE13 — GPIO / TIM1_CH3 |
| Pino 32 | PE14 — GPIO / TIM1_CH4 |
| Pino 33 | PE15 — GPIO / TIM1_CH4N |
| Pino 34 | PB0 — GPIO / ADC_IN8 |
| Pino 35 | PB1 — GPIO / ADC_IN9 |
| Pino 36 | PB2 — GPIO |
| Pino 37 | PB3 — GPIO / SPI1_SCK / TRACED0 |
| Pino 38 | PB4 — GPIO / SPI1_MISO |
| Pino 39 | PB5 — GPIO / SPI1_MOSI |
| Pino 40 | PB6 — GPIO / I2C1_SCL |
| Pino 41 | PB7 — GPIO / I2C1_SDA |
| Pino 42 | BOOT0 — Boot mode selection |
| Pino 43 | PB8 — GPIO / I2C1_SCL / CAN1_RX |
| Pino 44 | PB9 — GPIO / I2C1_SDA / CAN1_TX |
| Pino 45 | VSS — Ground |
| Pino 46 | VDD — Power supply |
| Pino 47 | PE0 — GPIO / TIM4_ETR |
| Pino 48 | PE1 — GPIO / TIM4_CH1 |
| Pino 49 | PB10 — GPIO / I2C2_SCL / USART3_TX |
| Pino 50 | PB11 — GPIO / I2C2_SDA / USART3_RX |
| Pino 51 | PB12 — GPIO / SPI2_NSS / I2C2_SCL |
| Pino 52 | PB13 — GPIO / SPI2_SCK / I2C2_SDA |
| Pino 53 | PB14 — GPIO / SPI2_MISO / USART1_TX |
| Pino 54 | PB15 — GPIO / SPI2_MOSI / USART1_RX |
| Pino 55 | PD8 — GPIO / USART3_TX |
| Pino 56 | PD9 — GPIO / USART3_RX |
| Pino 57 | PD10 — GPIO / USART3_CK |
| Pino 58 | PD11 — GPIO / USART3_CTS |
| Pino 59 | PD12 — GPIO / USART3_RTS |
| Pino 60 | PD13 — GPIO |
| Pino 61 | PD14 — GPIO |
| Pino 62 | PD15 — GPIO |
| Pino 63 | PC6 — GPIO / I2S2_MCK |
| Pino 64 | PC7 — GPIO / I2S2_SCK |
| Pino 65 | PC8 — GPIO / I2S2_SD |
| Pino 66 | PC9 — GPIO / I2S2_WS |
| Pino 67 | PA8 — GPIO / I2C3_SCL / USB_OTG_FS_SOF |
| Pino 68 | PA9 — GPIO / I2C3_SDA / USB_OTG_FS_VBUS |
| Pino 69 | PA10 — GPIO / I2C3_SCL / USB_OTG_FS_ID |
| Pino 70 | PA11 — GPIO / I2C3_SDA / USB_OTG_FS_DM |
| Pino 71 | PA12 — GPIO / USB_OTG_FS_DP |
| Pino 72 | PA13 — GPIO / SWDIO |
| Pino 73 | VSS — Ground |
| Pino 74 | VDD — Power supply |
| Pino 75 | PA14 — GPIO / SWCLK |
| Pino 76 | PA15 — GPIO / JTDI |
| Pino 77 | PC10 — GPIO / I2S3_SCK |
| Pino 78 | PC11 — GPIO / I2S3_SD |
| Pino 79 | PC12 — GPIO / I2S3_WS |
| Pino 80 | PD0 — GPIO / CAN1_RX |
| Pino 81 | PD1 — GPIO / CAN1_TX |
| Pino 82 | PD2 — GPIO / SDMMC1_CMD |
| Pino 83 | PD3 — GPIO / SDMMC1_CK |
| Pino 84 | PD4 — GPIO / SDMMC1_D0 |
| Pino 85 | PD5 — GPIO / SDMMC1_D1 |
| Pino 86 | PD6 — GPIO / SDMMC1_D2 |
| Pino 87 | PD7 — GPIO / SDMMC1_D3 |
| Pino 88 | PH0 — GPIO / OSC_IN |
| Pino 89 | PH1 — GPIO / OSC_OUT |
| Pino 90 | PH2 — GPIO |
| Pino 91 | PH3 — GPIO |
| Pino 92 | PH4 — GPIO |
| Pino 93 | PH5 — GPIO |
| Pino 94 | PH6 — GPIO |
| Pino 95 | PH7 — GPIO |
| Pino 96 | PH8 — GPIO |
| Pino 97 | PH9 — GPIO |
| Pino 98 | PH10 — GPIO |
| Pino 99 | PH11 — GPIO |
| Pino 100 | PH12 — GPIO |
| Pino 101 | PH13 — GPIO |
| Pino 102 | PH14 — GPIO |
| Pino 103 | PH15 — GPIO |
| Pino 104 | VSS — Ground |
| Pino 105 | VDD — Power supply |
| Pino 106 | PI0 — GPIO |
| Pino 107 | PI1 — GPIO |
| Pino 108 | PI2 — GPIO |
| Pino 109 | PI3 — GPIO |
| Pino 110 | PI4 — GPIO |
| Pino 111 | PI5 — GPIO |
| Pino 112 | PI6 — GPIO |
| Pino 113 | PI7 — GPIO |
| Pino 114 | PI8 — GPIO |
| Pino 115 | PI9 — GPIO |
| Pino 116 | PI10 — GPIO |
| Pino 117 | PI11 — GPIO |
| Pino 118 | PI12 — GPIO |
| Pino 119 | PI13 — GPIO |
| Pino 120 | PI14 — GPIO |
| Pino 121 | PI15 — GPIO |
| Pino 122 | VSS — Ground |
| Pino 123 | VDD — Power supply |
| Pino 124 | PC0 — GPIO / ADC_IN10 |
| Pino 125 | PC1 — GPIO / ADC_IN11 |
| Pino 126 | PC2 — GPIO / ADC_IN12 |
| Pino 127 | PC3 — GPIO / ADC_IN13 |
| Pino 128 | PC4 — GPIO / ADC_IN14 |
| Pino 129 | PC5 — GPIO / ADC_IN15 |
| Pino 130 | PB16 — GPIO |
| Pino 131 | PB17 — GPIO |
| Pino 132 | PB18 — GPIO |
| Pino 133 | PB19 — GPIO |
| Pino 134 | PB20 — GPIO |
| Pino 135 | PB21 — GPIO |
| Pino 136 | PB22 — GPIO |
| Pino 137 | PB23 — GPIO |
| Pino 138 | VSS — Ground |
| Pino 139 | VDD — Power supply |
| Pino 140 | PA0 — GPIO / ADC_IN0 / DAC_OUT1 |
| Pino 141 | PA1 — GPIO / ADC_IN1 / DAC_OUT2 |
| Pino 142 | PA2 — GPIO / USART2_TX / ADC_IN2 |
| Pino 143 | PA3 — GPIO / USART2_RX / ADC_IN3 |
| Pino 144 | VSS — Ground |
Aplicações típicas
STM32L4S9ZIT6 é adequado para 6 aplicaçãos: Industrial Sensors, Smart Meters, Medical Devices, Wearable Devices, IoT Nodes, Audio Processing.
Industrial Sensors
The STM32L4S9ZIT6 is ideal for industrial sensors requiring high-precision analog measurement and low power consumption. Its three 12-bit ADCs with up to 5 MSPS sampling rate enable accurate data acquisition from multiple sensor channels. The device's ultra-low-power modes (100 nA shutdown) extend battery life in wireless sensor nodes. The 2 MB flash allows storing calibration data and firmware updates. The multiple communication interfaces (I2C, SPI, UART) connect to various sensor modules. The Cortex-M4 FPU accelerates signal processing algorithms for sensor fusion. The wide supply voltage range (1.71V to 3.6V) accommodates battery-powered designs. The device's robust operating temperature range (-40C to +85C) suits industrial environments. The hardware cryptographic accelerator secures data transmission in IoT applications. The large SRAM (640 KB) supports real-time data buffering. The device's rich timer resources enable precise timing for sensor sampling. The Chrom-ART accelerator can drive graphical displays for local data visualization. The device's low-power run mode (28 uA/MHz) optimizes energy efficiency during active processing. The device's multiple low-power modes allow dynamic power management based on sensor activity. The device's DMA controllers offload data transfer, reducing CPU load. The device's true random number generator (TRNG) supports secure key generation for encrypted sensor data.
Recomendado
Smart Meters
The STM32L4S9ZIT6 is well-suited for smart metering applications, including electricity, water, and gas meters. Its ultra-low-power consumption (100 nA shutdown) ensures long battery life, critical for meters that operate for years without maintenance. The device's multiple communication interfaces (UART, SPI, I2C, CAN) support various metering protocols and connectivity options, including wireless modules. The 2 MB flash memory provides ample space for metering firmware, tariff tables, and data logging. The 640 KB SRAM enables real-time data processing and buffering. The device's cryptographic accelerator secures communication with the utility network, protecting against tampering. The 12-bit ADCs with high sampling rate accurately measure voltage and current for energy calculation. The device's low-power modes allow the meter to sleep between measurements, conserving energy. The wide supply voltage range accommodates battery and line-powered designs. The device's robust operating temperature range (-40C to +85C) suits outdoor installations. The multiple timers support precise timekeeping for billing. The device's DMA controllers efficiently handle data transfer from metering ICs. The device's true random number generator (TRNG) supports secure key management. The device's rich peripheral set reduces external component count, lowering BOM cost. The device's long-term availability and ST's 10-year longevity program ensure supply continuity for utility deployments.
Recomendado
Medical Devices
The STM32L4S9ZIT6 is suitable for medical devices such as patient monitors, glucose meters, and portable diagnostic equipment. Its high-performance Cortex-M4 core with FPU enables real-time signal processing for ECG, EEG, and other biosignals. The device's low power consumption extends battery life in portable devices. The 2 MB flash memory stores complex algorithms and patient data. The 640 KB SRAM supports large data buffers for continuous monitoring. The device's multiple ADCs and DACs interface with analog front-ends for sensor conditioning. The communication interfaces (USB, UART, SPI) connect to external displays, wireless modules, and host systems. The device's cryptographic accelerator secures patient data transmission, complying with healthcare regulations. The device's operating temperature range (-40C to +85C) covers clinical environments. The device's rich timer resources enable precise sampling and waveform generation. The device's DMA controllers offload data transfer, ensuring real-time performance. The device's low-power modes allow the device to sleep between measurements, conserving battery. The device's wide supply voltage range supports various battery chemistries. The device's long-term availability and ST's medical-grade quality ensure reliability. The device's Chrom-ART accelerator can drive graphical user interfaces for patient data visualization. The device's true random number generator (TRNG) supports secure authentication.
Recomendado
Wearable Devices
The STM32L4S9ZIT6 is ideal for wearable devices like smartwatches, fitness trackers, and health monitors. Its ultra-low-power consumption (100 nA shutdown, 28 uA/MHz run) is critical for battery-powered wearables that need to last days or weeks on a single charge. The device's small form factor (LQFP144) and rich peripheral set enable compact designs. The 2 MB flash memory stores firmware, user data, and sensor calibration. The 640 KB SRAM supports real-time data processing and buffering. The device's multiple communication interfaces (I2C, SPI, UART, USB) connect to sensors, displays, and wireless modules. The Cortex-M4 FPU accelerates sensor fusion algorithms for activity tracking. The device's low-power modes allow the wearable to sleep between sensor readings, conserving energy. The device's wide supply voltage range (1.71V to 3.6V) supports Li-ion batteries. The device's operating temperature range (-40C to +85C) covers body-worn conditions. The device's cryptographic accelerator secures data transmission to smartphones. The device's Chrom-ART accelerator drives graphical displays for user interfaces. The device's multiple timers support precise timekeeping and event scheduling. The device's DMA controllers offload data transfer, reducing CPU load. The device's true random number generator (TRNG) supports secure pairing. The device's long-term availability ensures product longevity.
Recomendado
IoT Nodes
The STM32L4S9ZIT6 is a powerful choice for IoT edge nodes that require local processing, connectivity, and low power. Its Cortex-M4 core with FPU enables edge AI and signal processing, reducing the need to send raw data to the cloud. The device's ultra-low-power modes (100 nA shutdown) extend battery life in remote sensors. The 2 MB flash memory stores firmware, ML models, and data logs. The 640 KB SRAM supports real-time data buffering and inference. The device's multiple communication interfaces (UART, SPI, I2C, USB, CAN) connect to various wireless modules (LoRa, NB-IoT, Wi-Fi, BLE). The device's cryptographic accelerator secures MQTT and TLS connections. The device's wide supply voltage range (1.71V to 3.6V) supports battery and energy-harvesting designs. The device's operating temperature range (-40C to +85C) suits outdoor deployments. The device's multiple timers support scheduled wake-ups and sleep cycles. The device's DMA controllers offload data transfer, reducing CPU load. The device's true random number generator (TRNG) supports secure key generation. The device's low-power run mode (28 uA/MHz) optimizes energy efficiency during active processing. The device's rich peripheral set reduces external component count, lowering BOM cost. The device's long-term availability and ST's 10-year longevity program ensure supply continuity.
Recomendado
Audio Processing
The STM32L4S9ZIT6 is well-suited for audio processing applications such as voice-controlled devices, audio effects processors, and smart speakers. Its Cortex-M4 core with FPU and DSP instructions enables real-time audio filtering, equalization, and noise reduction. The device's two SAI interfaces support I2S audio input and output, connecting to codecs and digital microphones. The 2 MB flash memory stores audio samples and processing algorithms. The 640 KB SRAM supports large audio buffers for low-latency processing. The device's multiple ADCs and DACs can interface with analog audio circuits. The device's Chrom-ART accelerator can drive graphical user interfaces for audio equipment. The device's low-power modes allow the device to sleep when not processing audio, conserving energy. The device's wide supply voltage range (1.71V to 3.6V) supports battery-powered audio devices. The device's operating temperature range (-40C to +85C) covers consumer and industrial environments. The device's cryptographic accelerator secures audio streaming protocols. The device's multiple timers support precise sample rate generation. The device's DMA controllers offload audio data transfer, reducing CPU load. The device's true random number generator (TRNG) supports secure pairing. The device's rich peripheral set reduces external component count, lowering BOM cost. The device's long-term availability ensures product longevity.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32L4S9ZIT6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32L4S7ZIT6 | STM32L4S5ZIT6 | STM32L4R9ZIT6 | STM32L4S9ZIJ6 | LPC54608J512BD208 | R7FS7G27H2A01CLK |
|---|---|---|---|---|---|---|---|
| Package | LQFP144 | LQFP144 | LQFP144 | LQFP144 | UFBGA176 | LQFP208 | LQFP144 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | NXP Semiconductors | Renesas Electronics |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Max Clock Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 180 MHz | 120 MHz |
| Flash Memory | 2 MB | 2 MB | 512 KB | 2 MB | 2 MB | 512 KB | 2 MB |
| SRAM | 640 KB | 640 KB | 320 KB | 640 KB | 640 KB | 200 KB | 640 KB |
| Supply Voltage Range | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.6V to 3.6V |
| Number of I/Os | 114 | 114 | 114 | 114 | 136 | 165 | 114 |
| Camera Interface (DCMI) | Yes | No | No | No | Yes | No | No |
| Chrom-ART Accelerator | Yes | No | No | Yes | Yes | No | No |
Principais diferenciais
- Largest memory in STM32L4 series (vs STM32L4S5ZIT6)
- Integrated camera interface and Chrom-ART accelerator (vs STM32L4S7ZIT6)
- Ultra-low power consumption (vs LPC54608J512BD208)
Notas de projeto
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, place a 4.7 uF capacitor on the main VDD supply. For VDDA, use a 1 uF capacitor and a ferrite bead to isolate analog noise. Ensure the VBAT pin is connected to a backup battery or tied to VDD through a diode for RTC operation.
For the LQFP144 package, use a 4-layer PCB with a solid ground plane. Route high-speed signals (SDMMC, USB, camera) with controlled impedance. Keep crystal oscillator traces short and away from high-current traces. Use the exposed pad (EP) for thermal dissipation by connecting it to the ground plane with multiple vias.
Ensure the BOOT0 pin is properly configured to select the correct boot mode. For low-power applications, configure all unused GPIOs as analog inputs to minimize leakage current. When using the RTC, ensure the LSE crystal is properly loaded with the specified load capacitance. Avoid exceeding the absolute maximum ratings on any pin.
Informações de conformidade
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified for standard version; automotive grade variant STM32L4S9ZIT6Q is available.
