STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
MPN: STM32L162ZDT6 ✓ פעילSTM32L162ZDT6 סקירה
What is an ultra-low-power microcontroller? An ultra-low-power microcontroller is a category of embedded MCU optimized to consume the least energy in active and sleep modes. It belongs to the broader taxonomy microcontroller -> embedded processor -> semiconductor device. The STM32L1 family positions itself for battery-powered applications where every microamp counts, including metering, medical portables, IoT sensors and wearable electronics.
Key features include 7 low-power modes, RTC with backup registers, integrated LCD driver up to 8x40, AES-128 hardware accelerator, USB 2.0 full-speed device with on-chip PHY, 12-bit ADC and DAC, multiple comparators, and up to 114 general-purpose I/Os on the 144-LQFP variant. The ARM Cortex-M3 core runs at 32 MHz, providing 1.25 DMIPS/MHz while drawing roughly 230 uA/MHz active, an order of magnitude lower than legacy Cortex-M3 microcontrollers.
The device is built on a 130 nm ultra-low-leakage CMOS process with embedded Flash, and supports 1.8 V to 3.6 V supply operation. The architecture includes a nested vectored interrupt controller, bit-banding, MPU, and JTAG/SWD debug interfaces. Hardware AES-128 accelerates encryption with zero CPU load, while the LCD controller with charge pump drives segment displays directly.
Typical applications include battery-powered medical instruments, wireless sensor nodes, smart metering, industrial control with HMI segment displays, asset tracking, and USB-enabled data loggers. The 384 KB Flash supports rich application firmware with over-the-air upgrade capability and protocol stacks such as USB, BLE through SPI, or LoRaWAN via external transceiver.
When designing with the STM32L162ZDT6, carefully select the appropriate low-power mode (Stop, Standby, Sleep) based on wake-up latency and residual current budget. The USB peripheral requires a 1.5 kohm pull-up and proper PCB stack-up for signal integrity; the AES engine uses 128-bit key only.
This page synthesizes distributor pricing, parametric comparison, and drop-in alternatives not found in the manufacturer datasheet. Engineers should cross-check the latest datasheet revision and errata before committing to a design.
חלופות תחליף ישיר עבור STM32L162ZDT6 — 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 STM32L162ZDT6 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Flash Memory, Mounting Type, ADC, Communication Interfaces.
STM32L152ZDT6
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L162VCT6
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L162ZDT6
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←STM32L162ZET6
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM32L162RDT6
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
STM32L162ZDT6 דירוגים מרביים ומאפיינים חשמליים
| Core | ARM Cortex-M3 32-bit |
| תדר שעון מקסימלי | 32 MHz |
| Flash Memory | 384 KB |
| SRAM | 48 KB |
| Supply Voltage Range | 1.65 V to 3.6 V (with BOR), 2.0 V to 3.6 V (USB active) |
| מארז | 144-pin LQFP (20x20 mm) |
| טמפרטורת פעולה | -40C to +85C |
| USB | USB 2.0 full-speed device with on-chip PHY |
| Hardware Crypto | AES-128 hardware accelerator |
| LCD Controller | Up to 8x40 segments with built-in charge pump |
| ADC | 12-bit SAR, multiple channels |
| DAC | 12-bit |
| Comparators | 2 ultra-low-power comparators |
| Timers | Multiple 16-bit/32-bit timers, RTC with backup registers |
| Communication Interfaces | USART, SPI, I2C, USB |
| GPIO Count (144-pin variant) | Approximately 114 |
| סטטוס RoHS | Compliant |
תצורת פינים של STM32L162ZDT6
| פין 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| פין 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| פין 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| פין 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| פין 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| פין 6 | VBAT — RTC backup battery supply |
| פין 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| פין 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| פין 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| פין 10 | OSC_IN — External clock input |
| פין 11 | OSC_OUT — External clock output |
| פין 12 | NRST — Reset (active low) |
| פין 13 | VSSA — Analog ground |
| פין 14 | VREF+ — ADC reference voltage positive |
| פין 15 | VDDA — Analog supply |
| פין 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| פין 17 | PA1 — GPIO PA1 |
| פין 18 | PA2 — GPIO PA2 / USART2_TX |
| פין 19 | PA3 — GPIO PA3 / USART2_RX |
| פין 20 | VSS_4 — Digital ground |
| פין 21 | VDD_4 — Digital supply |
| פין 22 | PA4 — GPIO PA4 / SPI1_NSS |
| פין 23 | PA5 — GPIO PA5 |
| פין 24 | PA6 — GPIO PA6 |
| פין 25 | PA7 — GPIO PA7 |
| פין 26 | PC4 — GPIO PC4 |
| פין 27 | PC5 — GPIO PC5 |
| פין 28 | PB0 — GPIO PB0 |
| פין 29 | PB1 — GPIO PB1 |
| פין 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| פין 31 | PB10 — GPIO PB10 |
| פין 32 | PB11 — GPIO PB11 |
| פין 33 | VSS_1 — Digital ground |
| פין 34 | VDD_1 — Digital supply |
| פין 35 | PB12 — GPIO PB12 / SPI2_NSS |
| פין 36 | PB13 — GPIO PB13 / SPI2_SCK |
| פין 37 | PB14 — GPIO PB14 / SPI2_MISO |
| פין 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| פין 39 | PC6 — GPIO PC6 |
| פין 40 | PC7 — GPIO PC7 |
| פין 41 | PC8 — GPIO PC8 |
| פין 42 | PC9 — GPIO PC9 |
| פין 43 | PA8 — GPIO PA8 |
| פין 44 | PA9 — GPIO PA9 / USART1_TX |
| פין 45 | PA10 — GPIO PA10 / USART1_RX |
| פין 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| פין 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| פין 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| פין 49 | VSS_2 — Digital ground |
| פין 50 | VDD_2 — Digital supply |
| פין 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| פין 52 | PA15 — GPIO PA15 |
| פין 53 | PC10 — GPIO PC10 |
| פין 54 | PC11 — GPIO PC11 |
| פין 55 | PC12 — GPIO PC12 |
| פין 56 | PD0 — GPIO PD0 |
| פין 57 | PD1 — GPIO PD1 |
| פין 58 | PD2 — GPIO PD2 |
| פין 59 | PD3 — GPIO PD3 |
| פין 60 | PD4 — GPIO PD4 |
| פין 61 | PD5 — GPIO PD5 |
| פין 62 | VSS_5 — Digital ground |
| פין 63 | VDD_5 — Digital supply |
| פין 64 | PD6 — GPIO PD6 |
| פין 65 | PD7 — GPIO PD7 |
| פין 66 | PG9 — GPIO PG9 |
| פין 67 | PG10 — GPIO PG10 |
| פין 68 | PG11 — GPIO PG11 |
| פין 69 | PG12 — GPIO PG12 |
| פין 70 | PG13 — GPIO PG13 |
| פין 71 | PG14 — GPIO PG14 |
| פין 72 | VSS_3 — Digital ground |
| פין 73 | VDD_3 — Digital supply |
| פין 74 | PG15 — GPIO PG15 |
| פין 75 | PB3 — GPIO PB3 / SPI1_SCK |
| פין 76 | PB4 — GPIO PB4 / SPI1_MISO |
| פין 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| פין 78 | PB6 — GPIO PB6 / I2C1_SCL |
| פין 79 | PB7 — GPIO PB7 / I2C1_SDA |
| פין 80 | BOOT0 — Boot mode select |
| פין 81 | PB8 — GPIO PB8 / I2C1_SCL |
| פין 82 | PB9 — GPIO PB9 / I2C1_SDA |
| פין 83 | PE0 — GPIO PE0 |
| פין 84 | PE1 — GPIO PE1 |
| פין 85 | VSS_6 — Digital ground |
| פין 86 | VDD_6 — Digital supply |
| פין 87 | PE7 — GPIO PE7 |
| פין 88 | PE8 — GPIO PE8 |
| פין 89 | PE9 — GPIO PE9 |
| פין 90 | PE10 — GPIO PE10 |
| פין 91 | PE11 — GPIO PE11 |
| פין 92 | PE12 — GPIO PE12 |
| פין 93 | PE13 — GPIO PE13 |
| פין 94 | PE14 — GPIO PE14 |
| פין 95 | PE15 — GPIO PE15 |
| פין 96 | PB10 — GPIO PB10 |
| פין 97 | PB11 — GPIO PB11 |
| פין 98 | VSS_7 — Digital ground |
| פין 99 | VDD_7 — Digital supply |
| פין 100 | PB12 — GPIO PB12 |
| פין 101 | PB13 — GPIO PB13 |
| פין 102 | PB14 — GPIO PB14 |
| פין 103 | PB15 — GPIO PB15 |
| פין 104 | PD8 — GPIO PD8 |
| פין 105 | PD9 — GPIO PD9 |
| פין 106 | PD10 — GPIO PD10 |
| פין 107 | PD11 — GPIO PD11 |
| פין 108 | PD12 — GPIO PD12 |
| פין 109 | PD13 — GPIO PD13 |
| פין 110 | VSS_8 — Digital ground |
| פין 111 | VDD_8 — Digital supply |
| פין 112 | PD14 — GPIO PD14 |
| פין 113 | PD15 — GPIO PD15 |
| פין 114 | PG0 — GPIO PG0 |
| פין 115 | PG1 — GPIO PG1 |
| פין 116 | PG2 — GPIO PG2 |
| פין 117 | PG3 — GPIO PG3 |
| פין 118 | PG4 — GPIO PG4 |
| פין 119 | PG5 — GPIO PG5 |
| פין 120 | PG6 — GPIO PG6 |
| פין 121 | PG7 — GPIO PG7 |
| פין 122 | PG8 — GPIO PG8 |
| פין 123 | VSS_9 — Digital ground |
| פין 124 | VDD_9 — Digital supply |
| פין 125 | PF0 — GPIO PF0 |
| פין 126 | PF1 — GPIO PF1 |
| פין 127 | PF2 — GPIO PF2 |
| פין 128 | PF3 — GPIO PF3 |
| פין 129 | PF4 — GPIO PF4 |
| פין 130 | PF5 — GPIO PF5 |
| פין 131 | PF6 — GPIO PF6 |
| פין 132 | PF7 — GPIO PF7 |
| פין 133 | PF8 — GPIO PF8 |
| פין 134 | PF9 — GPIO PF9 |
| פין 135 | PF10 — GPIO PF10 |
| פין 136 | PF11 — GPIO PF11 |
| פין 137 | VSS_10 — Digital ground |
| פין 138 | VDD_10 — Digital supply |
| פין 139 | PF12 — GPIO PF12 |
| פין 140 | PF13 — GPIO PF13 |
| פין 141 | PF14 — GPIO PF14 |
| פין 142 | PF15 — GPIO PF15 |
| פין 143 | PG6 — GPIO PG6 |
| פין 144 | VSS — Digital ground (pad) |
יישומים טיפוסיים
STM32L162ZDT6 מתאים עבור 6 יישוםs: Battery-Powered Smart Metering, Portable Medical Instruments, Industrial Sensor Hubs with Segment Display, Secure IoT Asset Tracker, USB Data Loggers, Wireless Sensor Nodes (Sub-GHz/ZigBee Bridges).
Battery-Powered Smart Metering
The STM32L162ZDT6 fits smart electricity/gas/water meters where multi-year battery life, secure data logging, and segment LCD are essential. Its 230 uA/MHz active current and 1.7 uA Standby with RTC allow coin-cell operation for 10+ years. The AES-128 hardware accelerator secures consumption telemetry against tampering. The integrated LCD controller with charge pump directly drives a 4x40 segment display for cumulative kWh without extra driver ICs. With USB, firmware upgrades in the field are simple via the meter service port, eliminating returns to factory.
מומלץ
Portable Medical Instruments
Portable medical devices such as glucose meters, pulse oximeters, and infusion pumps require low-power operation, secure patient data, and small display HMI. The STM32L162ZDT6's 12-bit ADC samples sensor signals accurately, its AES-128 protects data at rest per HIPAA-style requirements, and the LCD controller drives the segment display with no additional driver. Stop modes with RTC wakeup at 1 uA enable week-long operation on small Li-ion batteries. The USB 2.0 full-speed interface transfers measurement logs to a clinician's PC without special cables.
מומלץ
Industrial Sensor Hubs with Segment Display
Industrial sensor hubs aggregate multiple analog and digital signals, display status via segment LCD, and connect via USB to factory networks. The STM32L162ZDT6 provides the 12-bit ADC with multiple channels for thermocouples, RTDs, and 4-20 mA loops. Its LCD controller with built-in charge pump drives operator displays directly, simplifying BOM. The AES-128 secures Modbus/TCP and fieldbus traffic; the RTC with backup registers timestamps events during power loss. Wide -40C to +85C operation handles factory floor environments without derating.
מומלץ
Secure IoT Asset Tracker
Battery-powered asset trackers combine GPS, motion sensors, and wireless uplinks; they must stay in service for months while securely logging location trails. The STM32L162ZDT6's AES-128 encrypts GPS coordinates and movement data on-device, while its 7 low-power modes put the device into deep sleep between location pings. Stop-mode current under 1.7 uA with RTC extends battery life; the USB port handles firmware updates and tethered debugging. The 384 KB Flash holds the main firmware plus over-the-air upgrade buffer, eliminating external memory cost.
מומלץ
USB Data Loggers
USB data loggers that plug directly into PCs need a built-in USB PHY, internal Flash for buffering, and low sleep current between sessions. The STM32L162ZDT6 integrates USB 2.0 full-speed with on-chip PHY, eliminating external components. Its 384 KB Flash stores weeks of samples; AES-128 protects sensitive logs at rest. Stop with RTC mode keeps the device in low-power state until connected. The USB bus-powered operation also charges a small supercap, enabling brief disconnect-tolerant acquisition.
מומלץ
Wireless Sensor Nodes (Sub-GHz/ZigBee Bridges)
Wireless sensor nodes combining the STM32L162ZDT6 with a sub-GHz or 2.4 GHz transceiver benefit from the MCU's low active current and AES-128 for link-layer security. The 32 MHz Cortex-M3 handles MAC layer protocols and encryption; the 48 KB SRAM accommodates packet buffers for sub-GHz protocols. The 384 KB Flash stores ZigBee or proprietary stacks. Stop-mode current under 2 uA with RTC allows multi-year battery life for environmental monitoring and building automation deployments.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM32L162ZDT6 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM32L152ZDT6 | STM32L162ZET6 |
|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | LQFP-144 | LQFP-144 - same | LQFP-144 - same |
| Core | ARM Cortex-M3 | ARM Cortex-M3 | ARM Cortex-M3 |
| Max Clock | 32 MHz | 32 MHz | 32 MHz |
| Flash | 384 KB | 384 KB | 384 KB |
| SRAM | 48 KB | 48 KB | 48 KB |
| AES-128 | Yes (hardware) | No | Yes (hardware) |
| USB | USB 2.0 FS device | USB 2.0 FS device | USB 2.0 FS device |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +105C |
מבדילים עיקריים
- Hardware AES-128 accelerator on-chip (לעומתSTM32L152ZDT6)
- Integrated LCD segment driver with charge pump (לעומתSTM32L152ZDT6)
- Extended temperature grade option in same package (לעומתSTM32L162ZET6)
הערות תכנון
Estimated: at 32 MHz active the core draws roughly 7.4 mA from 3.3 V (230 uA/MHz x 32 MHz). In Stop mode with RTC active the current falls to about 1.7 uA. Use the PWR->CR register to enter Stop or Standby modes; enable RTC and IWDG wakeup sources as needed. For battery life math, assume 0.1% active duty cycle for typical metering to budget a 600 mAh cell for 5-7 years.
Decouple all VDD pins with 100 nF ceramic capacitors as close to the package as possible. Place one bulk 4.7 uF per pair of VDD/VSS pins. Keep the analog VDDA/VREF+ decoupling isolated from digital VDD noise; consider a ferrite bead between the analog and digital supplies for ADC accuracy below 1 LSB.
Route the USB DP/DM pair with 90 ohm differential impedance and length matching within 150 mil. Place the 1.5 kohm pull-up on D+ close to the MCU with minimal stub. For RTC crystal (32.768 kHz), keep traces short and surrounded by ground guard ring to minimize capacitive loading and frequency drift.
Do not enable USB without a 3.0 V nominal supply (USB transceivers need >= 2.7 V). When using the LCD controller, do not exceed the maximum segment pin loading per pin (typically 8 mA sink). Ensure BOOT0 is pulled to ground for normal boot or to VDD for bootloader mode; floating BOOT0 causes intermittent boot failure.
מידע על תאימות
RoHS compliant per ST product page; AES-128 hardware encryption supports secure data-at-rest requirements. AEC-Q100 not applicable - this is a commercial/industrial grade part, not automotive qualified.
