STM32L4S9ZIT6 - Ultra-Low-Power ARM Cortex-M4F MCU | STMicroelectronics
Référence : STM32L4S9ZIT6 ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour STM32L4S9ZIT6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32L4S9ZIT6 (même facteur de forme et même empreinte) — différant par Core, Flash Memory, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32L4S7ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L4S5ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L4R9ZIT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.2 / unité
Voir la fiche technique →R7FS7G27H2A01CLK
⚡ Même boîtier ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L4S9ZIT6 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M4 with FPU |
| Fréquence d'horloge maximale | 120 MHz |
| Flash Memory | 2 MB |
| SRAM | 640 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Plage de température de fonctionnement | -40C to +85C |
| Boîtier | 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) |
| Courant d'arrêt | 100 nA |
| Run Current | 28 uA/MHz |
| Statut RoHS | Compliant |
Configuration des broches de STM32L4S9ZIT6
| Broche 1 | PE2 — GPIO / TRACECLK |
| Broche 2 | PE3 — GPIO / TRACED0 |
| Broche 3 | PE4 — GPIO / TRACED1 |
| Broche 4 | PE5 — GPIO / TRACED2 |
| Broche 5 | PE6 — GPIO / TRACED3 |
| Broche 6 | VBAT — Battery backup supply |
| Broche 7 | PC13 — GPIO / RTC_TAMP1 / RTC_TS |
| Broche 8 | PC14 — GPIO / OSC32_IN |
| Broche 9 | PC15 — GPIO / OSC32_OUT |
| Broche 10 | PF0 — GPIO / OSC_IN |
| Broche 11 | PF1 — GPIO / OSC_OUT |
| Broche 12 | PF2 — GPIO |
| Broche 13 | VSSA — Analog ground |
| Broche 14 | VDDA — Analog power supply |
| Broche 15 | PA0 — GPIO / ADC_IN0 / DAC_OUT1 |
| Broche 16 | PA1 — GPIO / ADC_IN1 / DAC_OUT2 |
| Broche 17 | PA2 — GPIO / USART2_TX / ADC_IN2 |
| Broche 18 | PA3 — GPIO / USART2_RX / ADC_IN3 |
| Broche 19 | VSS — Ground |
| Broche 20 | VDD — Power supply |
| Broche 21 | PA4 — GPIO / SPI1_NSS / DAC_OUT1 |
| Broche 22 | PA5 — GPIO / SPI1_SCK / DAC_OUT2 |
| Broche 23 | PA6 — GPIO / SPI1_MISO / ADC_IN6 |
| Broche 24 | PA7 — GPIO / SPI1_MOSI / ADC_IN7 |
| Broche 25 | PE7 — GPIO / TIM1_ETR |
| Broche 26 | PE8 — GPIO / TIM1_CH1N |
| Broche 27 | PE9 — GPIO / TIM1_CH1 |
| Broche 28 | PE10 — GPIO / TIM1_CH2N |
| Broche 29 | PE11 — GPIO / TIM1_CH2 |
| Broche 30 | PE12 — GPIO / TIM1_CH3N |
| Broche 31 | PE13 — GPIO / TIM1_CH3 |
| Broche 32 | PE14 — GPIO / TIM1_CH4 |
| Broche 33 | PE15 — GPIO / TIM1_CH4N |
| Broche 34 | PB0 — GPIO / ADC_IN8 |
| Broche 35 | PB1 — GPIO / ADC_IN9 |
| Broche 36 | PB2 — GPIO |
| Broche 37 | PB3 — GPIO / SPI1_SCK / TRACED0 |
| Broche 38 | PB4 — GPIO / SPI1_MISO |
| Broche 39 | PB5 — GPIO / SPI1_MOSI |
| Broche 40 | PB6 — GPIO / I2C1_SCL |
| Broche 41 | PB7 — GPIO / I2C1_SDA |
| Broche 42 | BOOT0 — Boot mode selection |
| Broche 43 | PB8 — GPIO / I2C1_SCL / CAN1_RX |
| Broche 44 | PB9 — GPIO / I2C1_SDA / CAN1_TX |
| Broche 45 | VSS — Ground |
| Broche 46 | VDD — Power supply |
| Broche 47 | PE0 — GPIO / TIM4_ETR |
| Broche 48 | PE1 — GPIO / TIM4_CH1 |
| Broche 49 | PB10 — GPIO / I2C2_SCL / USART3_TX |
| Broche 50 | PB11 — GPIO / I2C2_SDA / USART3_RX |
| Broche 51 | PB12 — GPIO / SPI2_NSS / I2C2_SCL |
| Broche 52 | PB13 — GPIO / SPI2_SCK / I2C2_SDA |
| Broche 53 | PB14 — GPIO / SPI2_MISO / USART1_TX |
| Broche 54 | PB15 — GPIO / SPI2_MOSI / USART1_RX |
| Broche 55 | PD8 — GPIO / USART3_TX |
| Broche 56 | PD9 — GPIO / USART3_RX |
| Broche 57 | PD10 — GPIO / USART3_CK |
| Broche 58 | PD11 — GPIO / USART3_CTS |
| Broche 59 | PD12 — GPIO / USART3_RTS |
| Broche 60 | PD13 — GPIO |
| Broche 61 | PD14 — GPIO |
| Broche 62 | PD15 — GPIO |
| Broche 63 | PC6 — GPIO / I2S2_MCK |
| Broche 64 | PC7 — GPIO / I2S2_SCK |
| Broche 65 | PC8 — GPIO / I2S2_SD |
| Broche 66 | PC9 — GPIO / I2S2_WS |
| Broche 67 | PA8 — GPIO / I2C3_SCL / USB_OTG_FS_SOF |
| Broche 68 | PA9 — GPIO / I2C3_SDA / USB_OTG_FS_VBUS |
| Broche 69 | PA10 — GPIO / I2C3_SCL / USB_OTG_FS_ID |
| Broche 70 | PA11 — GPIO / I2C3_SDA / USB_OTG_FS_DM |
| Broche 71 | PA12 — GPIO / USB_OTG_FS_DP |
| Broche 72 | PA13 — GPIO / SWDIO |
| Broche 73 | VSS — Ground |
| Broche 74 | VDD — Power supply |
| Broche 75 | PA14 — GPIO / SWCLK |
| Broche 76 | PA15 — GPIO / JTDI |
| Broche 77 | PC10 — GPIO / I2S3_SCK |
| Broche 78 | PC11 — GPIO / I2S3_SD |
| Broche 79 | PC12 — GPIO / I2S3_WS |
| Broche 80 | PD0 — GPIO / CAN1_RX |
| Broche 81 | PD1 — GPIO / CAN1_TX |
| Broche 82 | PD2 — GPIO / SDMMC1_CMD |
| Broche 83 | PD3 — GPIO / SDMMC1_CK |
| Broche 84 | PD4 — GPIO / SDMMC1_D0 |
| Broche 85 | PD5 — GPIO / SDMMC1_D1 |
| Broche 86 | PD6 — GPIO / SDMMC1_D2 |
| Broche 87 | PD7 — GPIO / SDMMC1_D3 |
| Broche 88 | PH0 — GPIO / OSC_IN |
| Broche 89 | PH1 — GPIO / OSC_OUT |
| Broche 90 | PH2 — GPIO |
| Broche 91 | PH3 — GPIO |
| Broche 92 | PH4 — GPIO |
| Broche 93 | PH5 — GPIO |
| Broche 94 | PH6 — GPIO |
| Broche 95 | PH7 — GPIO |
| Broche 96 | PH8 — GPIO |
| Broche 97 | PH9 — GPIO |
| Broche 98 | PH10 — GPIO |
| Broche 99 | PH11 — GPIO |
| Broche 100 | PH12 — GPIO |
| Broche 101 | PH13 — GPIO |
| Broche 102 | PH14 — GPIO |
| Broche 103 | PH15 — GPIO |
| Broche 104 | VSS — Ground |
| Broche 105 | VDD — Power supply |
| Broche 106 | PI0 — GPIO |
| Broche 107 | PI1 — GPIO |
| Broche 108 | PI2 — GPIO |
| Broche 109 | PI3 — GPIO |
| Broche 110 | PI4 — GPIO |
| Broche 111 | PI5 — GPIO |
| Broche 112 | PI6 — GPIO |
| Broche 113 | PI7 — GPIO |
| Broche 114 | PI8 — GPIO |
| Broche 115 | PI9 — GPIO |
| Broche 116 | PI10 — GPIO |
| Broche 117 | PI11 — GPIO |
| Broche 118 | PI12 — GPIO |
| Broche 119 | PI13 — GPIO |
| Broche 120 | PI14 — GPIO |
| Broche 121 | PI15 — GPIO |
| Broche 122 | VSS — Ground |
| Broche 123 | VDD — Power supply |
| Broche 124 | PC0 — GPIO / ADC_IN10 |
| Broche 125 | PC1 — GPIO / ADC_IN11 |
| Broche 126 | PC2 — GPIO / ADC_IN12 |
| Broche 127 | PC3 — GPIO / ADC_IN13 |
| Broche 128 | PC4 — GPIO / ADC_IN14 |
| Broche 129 | PC5 — GPIO / ADC_IN15 |
| Broche 130 | PB16 — GPIO |
| Broche 131 | PB17 — GPIO |
| Broche 132 | PB18 — GPIO |
| Broche 133 | PB19 — GPIO |
| Broche 134 | PB20 — GPIO |
| Broche 135 | PB21 — GPIO |
| Broche 136 | PB22 — GPIO |
| Broche 137 | PB23 — GPIO |
| Broche 138 | VSS — Ground |
| Broche 139 | VDD — Power supply |
| Broche 140 | PA0 — GPIO / ADC_IN0 / DAC_OUT1 |
| Broche 141 | PA1 — GPIO / ADC_IN1 / DAC_OUT2 |
| Broche 142 | PA2 — GPIO / USART2_TX / ADC_IN2 |
| Broche 143 | PA3 — GPIO / USART2_RX / ADC_IN3 |
| Broche 144 | VSS — Ground |
Applications typiques
STM32L4S9ZIT6 convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32L4S9ZIT6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- Largest memory in STM32L4 series (vs STM32L4S5ZIT6)
- Integrated camera interface and Chrom-ART accelerator (vs STM32L4S7ZIT6)
- Ultra-low power consumption (vs LPC54608J512BD208)
Notes de conception
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.
Informations de conformité
RoHS and REACH compliant per STMicroelectronics product page. Not AEC-Q100 qualified for standard version; automotive grade variant STM32L4S9ZIT6Q is available.
