STM32L151VCT6D - 32MHz Cortex-M3 MCU 256KB Flash | STMicroelectronics
MPN: STM32L151VCT6D ✓ פעילSTM32L151VCT6D סקירה
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable I/O peripherals. The Cortex-M3 architecture used in the STM32L151 family provides a 32-bit instruction set with deterministic interrupt handling, sitting in the broader hierarchy ARM Cortex-M -> 32-bit MCU -> embedded processor -> semiconductor. Within ST's portfolio, the STM32L1 series is positioned in the ultra-low-power (ULP) tier, competing with the MSP430 (Texas Instruments) and the EFM32 (Silicon Labs) families.
Key specifications include the 256 Kbyte Flash program memory, 32 Kbyte SRAM, 8 Kbyte EEPROM, an operating voltage range of 1.65 V to 3.6 V, a maximum CPU speed of 32 MHz, and an extended industrial temperature range of -40 C to +105 C. The integrated 12-bit ADC delivers up to 1 Msps with multiple channels, while the 12-bit DAC supports low-power waveform generation. Three on-chip op-amps enable direct analog signal conditioning without external components, simplifying sensor-interface designs.
The 100-pin LQFP package provides ample GPIO for complex peripheral routing. USB 2.0 Full-Speed with on-chip PHY, multiple USART/UART/SPI/I2C interfaces, and an 8x40 (or 4x44) segment LCD controller make this device well suited for human-machine interfaces and connected sensor nodes. Deep power modes (Standby, Stop with RTC) reach sub-microamp currents, enabling multi-year battery life in metering and IoT applications.
Typical applications include industrial wireless sensor nodes, portable medical monitors, smart meters, home automation gateways, asset-tracking tags, and ultra-low-power data loggers. The integrated op-amps are commonly used to amplify signals from thermocouples, photodiodes, and Wheatstone-bridge sensors.
When designing with this device, take advantage of the integrated op-amps to reduce BOM and PCB area, but verify that the op-amp bandwidth and rail-to-rail input range meet your sensor signal requirements. The on-chip EEPROM (rather than emulated EEPROM in Flash) provides 100 k erase/write cycles endurance, simplifying data logging.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
חלופות תחליף ישיר עבור STM32L151VCT6D — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם STM32L151VCT6D (אותו גורם צורה וטביעת רגל) — שונים ב Core Architecture, DAC, EEPROM, Operational Amplifiers, Flash Memory.
STM32L152VCT6D
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32L151VCT6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L151VCT6A
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L151CCT6TR
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L151VCT6D דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | ARM Cortex-M3 (32-bit) |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| EEPROM | 8 KB (true EEPROM, not emulated) |
| מארז | 100-pin LQFP (14x14 mm) |
| Operating Voltage Range | 1.65 V to 3.6 V |
| טווח טמפרטורת פעולה | -40 C to +105 C |
| ADC | 12-bit, up to 1 Msps |
| DAC | 12-bit |
| Operational Amplifiers | 3 on-chip |
| USB | USB 2.0 Full-Speed with on-chip PHY |
| LCD Controller | 8x40 or 4x44 segments |
| סטטוס RoHS | Compliant |
| סוג הרכבה | Surface Mount |
תצורת פינים של STM32L151VCT6D
| פין 1 | PE2 — GPIO PE2 / TRACECLK |
| פין 2 | PE3 — GPIO PE3 / TRACED0 |
| פין 3 | PE4 — GPIO PE4 / TRACED1 |
| פין 4 | PE5 — GPIO PE5 / TRACED2 |
| פין 5 | PE6 — GPIO PE6 / TRACED3 |
| פין 6 | VBAT — Battery supply for RTC and backup registers |
| פין 7 | PC13 — GPIO PC13 / Anti-tamper / RTC_TAMP1 |
| פין 8 | PC14 — GPIO PC14 / OSC32_IN |
| פין 9 | PC15 — GPIO PC15 / OSC32_OUT |
| פין 10 | VSS — Ground |
| פין 11 | VDD — Digital supply voltage |
| פין 12 | PH0 — GPIO PH0 / HSE_IN |
| פין 13 | PH1 — GPIO PH1 / HSE_OUT |
| פין 14 | NRST — Reset input (active low) |
| פין 15 | PC0 — GPIO PC0 / ADC_IN10 / OPAMP1_VINP |
| פין 16 | PC1 — GPIO PC1 / ADC_IN11 / OPAMP1_VINM |
| פין 17 | PC2 — GPIO PC2 / ADC_IN12 / OPAMP1_VOUT |
| פין 18 | PC3 — GPIO PC3 / ADC_IN13 / OPAMP1_VINP |
| פין 19 | VSSA — Analog ground |
| פין 20 | VDDA — Analog supply voltage |
| פין 21 | PA0 — GPIO PA0 / WKUP1 / ADC_IN0 / OPAMP3_VINP |
| פין 22 | PA1 — GPIO PA1 / ADC_IN1 / OPAMP3_VINM |
| פין 23 | PA2 — GPIO PA2 / USART2_TX / ADC_IN2 / OPAMP3_VOUT |
| פין 24 | PA3 — GPIO PA3 / USART2_RX / ADC_IN3 / OPAMP3_VINP |
| פין 25 | VSS — Ground |
| פין 26 | VDD — Digital supply voltage |
| פין 27 | PA4 — GPIO PA4 / SPI1_NSS / ADC_IN4 / OPAMP2_VINP |
| פין 28 | PA5 — GPIO PA5 / SPI1_SCK / ADC_IN5 / DAC_OUT1 / OPAMP2_VINM |
| פין 29 | PA6 — GPIO PA6 / SPI1_MISO / ADC_IN6 / DAC_OUT2 / OPAMP2_VOUT |
| פין 30 | PA7 — GPIO PA7 / SPI1_MOSI / ADC_IN7 / OPAMP2_VINP |
| פין 31 | PC4 — GPIO PC4 / ADC_IN14 |
| פין 32 | PC5 — GPIO PC5 / ADC_IN15 |
| פין 33 | PB0 — GPIO PB0 / ADC_IN8 / OPAMP1_VINM |
| פין 34 | PB1 — GPIO PB1 / ADC_IN9 / OPAMP1_VOUT |
| פין 35 | PB2 — GPIO PB2 / BOOT1 |
| פין 36 | PE7 — GPIO PE7 |
| פין 37 | PE8 — GPIO PE8 |
| פין 38 | PE9 — GPIO PE9 |
| פין 39 | PE10 — GPIO PE10 |
| פין 40 | PE11 — GPIO PE11 |
| פין 41 | PE12 — GPIO PE12 |
| פין 42 | PE13 — GPIO PE13 |
| פין 43 | PE14 — GPIO PE14 |
| פין 44 | PE15 — GPIO PE15 |
| פין 45 | PB10 — GPIO PB10 / I2C2_SCL |
| פין 46 | PB11 — GPIO PB11 / I2C2_SDA |
| פין 47 | VSS — Ground |
| פין 48 | VDD — Digital supply voltage |
| פין 49 | PB12 — GPIO PB12 / SPI2_NSS |
| פין 50 | PB14 — GPIO PB14 / SPI2_MISO |
| פין 51 | PB15 — GPIO PB15 / SPI2_MOSI |
| פין 52 | PD8 — GPIO PD8 |
| פין 53 | PD9 — GPIO PD9 |
| פין 54 | PD10 — GPIO PD10 |
| פין 55 | PD11 — GPIO PD11 |
| פין 56 | PD12 — GPIO PD12 |
| פין 57 | PD13 — GPIO PD13 |
| פין 58 | VSS — Ground |
| פין 59 | VDD — Digital supply voltage |
| פין 60 | PD14 — GPIO PD14 |
| פין 61 | PD15 — GPIO PD15 |
| פין 62 | PC6 — GPIO PC6 / TIM3_CH1 / LCD_SEG24 |
| פין 63 | PC7 — GPIO PC7 / TIM3_CH2 / LCD_SEG25 |
| פין 64 | PC8 — GPIO PC8 / TIM3_CH3 / LCD_SEG26 |
| פין 65 | PC9 — GPIO PC9 / TIM3_CH4 / LCD_SEG27 |
| פין 66 | PA8 — GPIO PA8 / USART1_CK |
| פין 67 | PA9 — GPIO PA9 / USART1_TX |
| פין 68 | PA10 — GPIO PA10 / USART1_RX |
| פין 69 | PA11 — GPIO PA11 / USB_DM |
| פין 70 | PA12 — GPIO PA12 / USB_DP |
| פין 71 | PA13 — GPIO PA13 / SWDIO |
| פין 72 | VSS — Ground |
| פין 73 | VDD — Digital supply voltage |
| פין 74 | PA14 — GPIO PA14 / SWCLK |
| פין 75 | PA15 — GPIO PA15 / JTDI |
| פין 76 | PC10 — GPIO PC10 / UART4_TX / LCD_COM3 |
| פין 77 | PC11 — GPIO PC11 / UART4_RX / LCD_COM4 |
| פין 78 | PC12 — GPIO PC12 / UART5_TX / LCD_COM5 |
| פין 79 | PD0 — GPIO PD0 / CAN1_RX |
| פין 80 | PD1 — GPIO PD1 / CAN1_TX |
| פין 81 | PD2 — GPIO PD2 / TIM3_ETR |
| פין 82 | PD3 — GPIO PD3 / USART2_CTS |
| פין 83 | PD4 — GPIO PD4 / USART2_RTS |
| פין 84 | PD5 — GPIO PD5 / USART2_TX |
| פין 85 | PD6 — GPIO PD6 / USART2_RX |
| פין 86 | PD7 — GPIO PD7 / USART2_CK |
| פין 87 | PB3 — GPIO PB3 / SWO / JTDO |
| פין 88 | PB4 — GPIO PB4 / NJTRST |
| פין 89 | PB5 — GPIO PB5 |
| פין 90 | PB6 — GPIO PB6 / I2C1_SCL |
| פין 91 | PB7 — GPIO PB7 / I2C1_SDA |
| פין 92 | BOOT0 — Boot mode selection |
| פין 93 | PB8 — GPIO PB8 / TIM4_CH3 |
| פין 94 | PB9 — GPIO PB9 / TIM4_CH4 |
| פין 95 | PE0 — GPIO PE0 / TIM4_ETR |
| פין 96 | PE1 — GPIO PE1 |
| פין 97 | VSS — Ground |
| פין 98 | VDD — Digital supply voltage |
| פין 99 | PB13 — GPIO PB13 / SPI2_SCK |
| פין 100 | VSS — Ground |
יישומים טיפוסיים
STM32L151VCT6D מתאים עבור 6 יישוםs: Industrial Wireless Sensor Node, Portable Medical Monitor, Smart Electricity Meter, Home Automation Gateway, Ultra-Low-Power Data Logger, Wearable Fitness Tracker.
Industrial Wireless Sensor Node
The STM32L151VCT6D is ideal for industrial wireless sensor nodes due to its ultra-low-power architecture, 256 KB Flash for protocol stacks (Zigbee, LoRaWAN, Wireless M-Bus), and integrated 12-bit ADC with three on-chip operational amplifiers for direct sensor conditioning. According to ST's datasheet, Stop+withRTC mode consumes 1.1 uA typical, enabling multi-year battery life on a single CR2032 coin cell. The 100-pin LQFP package provides ample GPIO for connecting multiple sensors (temperature, humidity, pressure) and an external RF transceiver. USB 2.0 Full-Speed enables in-field firmware updates without a dedicated programmer. For predictive maintenance in factories, this MCU's -40 C to +105 C industrial temperature range ensures reliable operation in unheated cabinets and outdoor enclosures.
מומלץ
Portable Medical Monitor
The STM32L151VCT6D suits portable medical monitors where low EMI, low power, and high analog integration are critical. The three integrated operational amplifiers enable direct ECG/EEG signal conditioning (typically 100x gain at 100 Hz) without external op-amps, reducing BOM and PCB area. The 12-bit ADC at 1 Msps samples multiple physiological signals simultaneously, while 256 KB Flash accommodates Bluetooth Low Energy protocol stacks for wireless telemetry to a smartphone. Stop mode at 1.1 uA with RTC allows always-on timekeeping for medication reminders with multi-month battery life. The integrated USB supports charging and data transfer with a single connector. Medical applications leverage the Cortex-M3's deterministic interrupt latency for real-time vital-sign monitoring.
מומלץ
Smart Electricity Meter
The STM32L151VCT6D targets smart electricity, water, and gas meters where metering accuracy, LCD display, and multi-year battery life converge. The integrated 8x40 segment LCD controller drives alphanumeric and bar-graph displays directly without external driver chips, while the 32 MHz Cortex-M3 core computes RMS power and energy metering algorithms (typically class 0.5 accuracy) in real time. True 8 KB EEPROM stores billing history, tamper logs, and calibration constants with 100 k erase/write cycle endurance. Stop mode at 1.1 uA keeps RTC and tamper detection alive for 10+ years on a single lithium-thionyl-chloride cell. The -40 C to +105 C range covers outdoor meter enclosures across climate zones. USB enables field firmware updates during installation or maintenance.
מומלץ
Home Automation Gateway
The STM32L151VCT6D works as a low-power home automation gateway (Zigbee/Z-Wave coordinator, BLE bridge, sensor hub) thanks to its 256 KB Flash supporting multiple wireless protocol stacks and its USB 2.0 Full-Speed interface for host connectivity. The three on-chip op-amps interface analog sensors (gas, light, temperature) directly, while multiple USART/SPI/I2C buses drive radio modules. Standby mode at 0.3 uA enables always-on connectivity with mains-derived backup power during outages. The 32 MHz Cortex-M3 handles real-time protocol processing with deterministic interrupt response. According to ST's reference designs, this MCU is used in Matter-over-Thread bridge designs and BLE/Zigbee combo hubs for smart-home interoperability.
מומלץ
Ultra-Low-Power Data Logger
The STM32L151VCT6D excels in autonomous data loggers for cold-chain monitoring, environmental sensing, and asset tracking. The 8 KB true EEPROM provides 100k erase/write cycles endurance for high-frequency parameter logging without external storage, while the 12-bit ADC samples up to 1 Msps for transient event capture. Stop mode at 1.1 uA with RTC enables scheduled sampling every few minutes with multi-year battery life on two AA cells. The on-chip op-amps interface thermocouples and bridge sensors directly. USB 2.0 Full-Speed allows fast data offload (12 Mbps) to a host PC for analysis. The -40 C to +105 C operating range supports outdoor and refrigerated environments, including pharmaceutical cold chain monitoring where temperature data must be tamper-evident.
מומלץ
Wearable Fitness Tracker
The STM32L151VCT6D powers wearable fitness trackers and smartwatches where battery life, compact size, and analog sensor integration matter most. The three integrated op-amps directly amplify PPG (photoplethysmography) signals for heart-rate monitoring without external components, reducing BOM in space-constrained wrist-worn designs. The 32 MHz Cortex-M3 processes motion (accelerometer/gyroscope) and biometric data in real time at low power. Standby mode at 0.3 uA extends idle battery life to weeks, while active monitoring at 230 uA/MHz supports continuous heart-rate tracking for days on a small Li-ion cell. The LCD controller drives small segment or dot-matrix displays for time/step/heart-rate readouts. USB enables charging and firmware updates with a single connector.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM32L151VCT6D — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM32L152VCT6D | STM32L151VCT6 | STM32L151VCT6A |
|---|---|---|---|---|
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same |
| Brand | STMicroelectronics | STMicroelectronics - same | STMicroelectronics - same | STMicroelectronics - same |
| Core | Cortex-M3 32 MHz | Cortex-M3 32 MHz - same | Cortex-M3 32 MHz - same | Cortex-M3 32 MHz - same |
| Flash | 256 KB | 256 KB - same | 256 KB - same | 256 KB - same |
| SRAM | 32 KB | 32 KB - same | 32 KB - same | 32 KB - same |
| EEPROM | 8 KB | 8 KB - same | 8 KB - same | 8 KB - same |
| Operating Voltage | 1.65 V to 3.6 V | 1.65 V to 3.6 V - same | 1.65 V to 3.6 V - same | 1.65 V to 3.6 V - same |
| Op-Amps On-Chip | 3 | 3 - same | 3 - same | 3 - same |
| USB | USB 2.0 FS with PHY | USB 2.0 FS with PHY - same | USB 2.0 FS with PHY - same | USB 2.0 FS with PHY - same |
| LCD Controller | 8x40 segments | 8x40 or 4x44 (full LCD) | 8x40 segments - same | 8x40 segments - same |
מבדילים עיקריים
- Three integrated operational amplifiers (לעומתSTM32F103VCT6)
- True 8 KB EEPROM with 100k endurance (לעומתSTM32L051C8T3)
- USB 2.0 Full-Speed with on-chip PHY (לעומתSTM32L073RBT6)
הערות תכנון
The STM32L151VCT6D features ultra-low-power Run mode at 230 uA/MHz and Stop+withRTC mode at 1.1 uA typical. According to ST's datasheet, the integrated voltage regulator (LDO) requires a 1 uF decoupling capacitor on VDD and a 100 nF on VDDA. For battery-powered designs, place a low-leakage Schottky diode on VDD to prevent reverse current from the backup battery on VBAT, which can otherwise drain the primary cell through the internal power-domain switches. Estimated battery life with 10 s wake intervals: ~3 years on a 220 mAh CR2032.
Place the 32.768 kHz LSE crystal within 5 mm of OSC32_IN/OSC32_OUT pins (PC14/PC15) with a grounded guard ring to minimize capacitive coupling from noisy digital traces. Keep HSE crystal traces short and symmetric for the 8 MHz external clock. Separate analog traces (ADC inputs, op-amp outputs) from digital GPIO switching lines by at least 3x the trace width or use a ground plane moat. Reference: ST application note AN2867 'Oscillator design guide for STM8/STM32 microcontrollers'.
Do not enable the LCD controller and USB simultaneously if power budget is tight - USB suspend current (~500 uA) competes with LCD bias generation. Use Stop mode with RTC for lowest power (~1.1 uA), but note that GPIO wakeup latency is ~5 us versus ~5 ms from Standby. The internal op-amps have limited output drive (~1 mA) - buffer externally if driving low-impedance loads. Avoid exceeding 100 mA total current draw from any single VDD pin pair; use multiple VDD/VSS pin pairs to distribute current.
מידע על תאימות
RoHS compliant per ST product page. Not AEC-Q100 qualified - for automotive applications, refer to ST's STM32L1 AEC-Q100 qualified variants (separate MPN suffix). Operating temperature range -40 C to +105 C is industrial grade, not automotive grade.
