STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
MPN: STM32L162ZDT6 ✓ نشطSTM32L162ZDT6 نظرة عامة
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.
بدائل مباشرة لـ STM32L162ZDT6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32L162ZDT6 (نفس عامل الشكل والبصمة) — يختلف في Package, Flash Memory, Mounting Type, ADC, Communication Interfaces.
STM32L152ZDT6
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32L162VCT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32L162ZDT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32L162ZET6
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM32L162RDT6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32L162ZDT6 الحدود القصوى والخصائص الكهربائية
| Core | ARM Cortex-M3 32-bit |
| أقصى تردد للساعة | 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) |
| العلبة | 144-pin LQFP (20x20 mm) |
| درجة حرارة التشغيل | -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 |
| حالة RoHS | Compliant |
تكوين أطراف STM32L162ZDT6
| دبوس 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| دبوس 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| دبوس 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| دبوس 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| دبوس 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| دبوس 6 | VBAT — RTC backup battery supply |
| دبوس 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| دبوس 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| دبوس 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| دبوس 10 | OSC_IN — External clock input |
| دبوس 11 | OSC_OUT — External clock output |
| دبوس 12 | NRST — Reset (active low) |
| دبوس 13 | VSSA — Analog ground |
| دبوس 14 | VREF+ — ADC reference voltage positive |
| دبوس 15 | VDDA — Analog supply |
| دبوس 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| دبوس 17 | PA1 — GPIO PA1 |
| دبوس 18 | PA2 — GPIO PA2 / USART2_TX |
| دبوس 19 | PA3 — GPIO PA3 / USART2_RX |
| دبوس 20 | VSS_4 — Digital ground |
| دبوس 21 | VDD_4 — Digital supply |
| دبوس 22 | PA4 — GPIO PA4 / SPI1_NSS |
| دبوس 23 | PA5 — GPIO PA5 |
| دبوس 24 | PA6 — GPIO PA6 |
| دبوس 25 | PA7 — GPIO PA7 |
| دبوس 26 | PC4 — GPIO PC4 |
| دبوس 27 | PC5 — GPIO PC5 |
| دبوس 28 | PB0 — GPIO PB0 |
| دبوس 29 | PB1 — GPIO PB1 |
| دبوس 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| دبوس 31 | PB10 — GPIO PB10 |
| دبوس 32 | PB11 — GPIO PB11 |
| دبوس 33 | VSS_1 — Digital ground |
| دبوس 34 | VDD_1 — Digital supply |
| دبوس 35 | PB12 — GPIO PB12 / SPI2_NSS |
| دبوس 36 | PB13 — GPIO PB13 / SPI2_SCK |
| دبوس 37 | PB14 — GPIO PB14 / SPI2_MISO |
| دبوس 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| دبوس 39 | PC6 — GPIO PC6 |
| دبوس 40 | PC7 — GPIO PC7 |
| دبوس 41 | PC8 — GPIO PC8 |
| دبوس 42 | PC9 — GPIO PC9 |
| دبوس 43 | PA8 — GPIO PA8 |
| دبوس 44 | PA9 — GPIO PA9 / USART1_TX |
| دبوس 45 | PA10 — GPIO PA10 / USART1_RX |
| دبوس 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| دبوس 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| دبوس 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| دبوس 49 | VSS_2 — Digital ground |
| دبوس 50 | VDD_2 — Digital supply |
| دبوس 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| دبوس 52 | PA15 — GPIO PA15 |
| دبوس 53 | PC10 — GPIO PC10 |
| دبوس 54 | PC11 — GPIO PC11 |
| دبوس 55 | PC12 — GPIO PC12 |
| دبوس 56 | PD0 — GPIO PD0 |
| دبوس 57 | PD1 — GPIO PD1 |
| دبوس 58 | PD2 — GPIO PD2 |
| دبوس 59 | PD3 — GPIO PD3 |
| دبوس 60 | PD4 — GPIO PD4 |
| دبوس 61 | PD5 — GPIO PD5 |
| دبوس 62 | VSS_5 — Digital ground |
| دبوس 63 | VDD_5 — Digital supply |
| دبوس 64 | PD6 — GPIO PD6 |
| دبوس 65 | PD7 — GPIO PD7 |
| دبوس 66 | PG9 — GPIO PG9 |
| دبوس 67 | PG10 — GPIO PG10 |
| دبوس 68 | PG11 — GPIO PG11 |
| دبوس 69 | PG12 — GPIO PG12 |
| دبوس 70 | PG13 — GPIO PG13 |
| دبوس 71 | PG14 — GPIO PG14 |
| دبوس 72 | VSS_3 — Digital ground |
| دبوس 73 | VDD_3 — Digital supply |
| دبوس 74 | PG15 — GPIO PG15 |
| دبوس 75 | PB3 — GPIO PB3 / SPI1_SCK |
| دبوس 76 | PB4 — GPIO PB4 / SPI1_MISO |
| دبوس 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| دبوس 78 | PB6 — GPIO PB6 / I2C1_SCL |
| دبوس 79 | PB7 — GPIO PB7 / I2C1_SDA |
| دبوس 80 | BOOT0 — Boot mode select |
| دبوس 81 | PB8 — GPIO PB8 / I2C1_SCL |
| دبوس 82 | PB9 — GPIO PB9 / I2C1_SDA |
| دبوس 83 | PE0 — GPIO PE0 |
| دبوس 84 | PE1 — GPIO PE1 |
| دبوس 85 | VSS_6 — Digital ground |
| دبوس 86 | VDD_6 — Digital supply |
| دبوس 87 | PE7 — GPIO PE7 |
| دبوس 88 | PE8 — GPIO PE8 |
| دبوس 89 | PE9 — GPIO PE9 |
| دبوس 90 | PE10 — GPIO PE10 |
| دبوس 91 | PE11 — GPIO PE11 |
| دبوس 92 | PE12 — GPIO PE12 |
| دبوس 93 | PE13 — GPIO PE13 |
| دبوس 94 | PE14 — GPIO PE14 |
| دبوس 95 | PE15 — GPIO PE15 |
| دبوس 96 | PB10 — GPIO PB10 |
| دبوس 97 | PB11 — GPIO PB11 |
| دبوس 98 | VSS_7 — Digital ground |
| دبوس 99 | VDD_7 — Digital supply |
| دبوس 100 | PB12 — GPIO PB12 |
| دبوس 101 | PB13 — GPIO PB13 |
| دبوس 102 | PB14 — GPIO PB14 |
| دبوس 103 | PB15 — GPIO PB15 |
| دبوس 104 | PD8 — GPIO PD8 |
| دبوس 105 | PD9 — GPIO PD9 |
| دبوس 106 | PD10 — GPIO PD10 |
| دبوس 107 | PD11 — GPIO PD11 |
| دبوس 108 | PD12 — GPIO PD12 |
| دبوس 109 | PD13 — GPIO PD13 |
| دبوس 110 | VSS_8 — Digital ground |
| دبوس 111 | VDD_8 — Digital supply |
| دبوس 112 | PD14 — GPIO PD14 |
| دبوس 113 | PD15 — GPIO PD15 |
| دبوس 114 | PG0 — GPIO PG0 |
| دبوس 115 | PG1 — GPIO PG1 |
| دبوس 116 | PG2 — GPIO PG2 |
| دبوس 117 | PG3 — GPIO PG3 |
| دبوس 118 | PG4 — GPIO PG4 |
| دبوس 119 | PG5 — GPIO PG5 |
| دبوس 120 | PG6 — GPIO PG6 |
| دبوس 121 | PG7 — GPIO PG7 |
| دبوس 122 | PG8 — GPIO PG8 |
| دبوس 123 | VSS_9 — Digital ground |
| دبوس 124 | VDD_9 — Digital supply |
| دبوس 125 | PF0 — GPIO PF0 |
| دبوس 126 | PF1 — GPIO PF1 |
| دبوس 127 | PF2 — GPIO PF2 |
| دبوس 128 | PF3 — GPIO PF3 |
| دبوس 129 | PF4 — GPIO PF4 |
| دبوس 130 | PF5 — GPIO PF5 |
| دبوس 131 | PF6 — GPIO PF6 |
| دبوس 132 | PF7 — GPIO PF7 |
| دبوس 133 | PF8 — GPIO PF8 |
| دبوس 134 | PF9 — GPIO PF9 |
| دبوس 135 | PF10 — GPIO PF10 |
| دبوس 136 | PF11 — GPIO PF11 |
| دبوس 137 | VSS_10 — Digital ground |
| دبوس 138 | VDD_10 — Digital supply |
| دبوس 139 | PF12 — GPIO PF12 |
| دبوس 140 | PF13 — GPIO PF13 |
| دبوس 141 | PF14 — GPIO PF14 |
| دبوس 142 | PF15 — GPIO PF15 |
| دبوس 143 | PG6 — GPIO PG6 |
| دبوس 144 | VSS — Digital ground (pad) |
التطبيقات النموذجية
STM32L162ZDT6 مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32L162ZDT6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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 |
أبرز الفروقات
- Hardware AES-128 accelerator on-chip (مقابلSTM32L152ZDT6)
- Integrated LCD segment driver with charge pump (مقابلSTM32L152ZDT6)
- Extended temperature grade option in same package (مقابلSTM32L162ZET6)
ملاحظات التصميم
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.
معلومات الامتثال
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.
