STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
Référence : STM32L162ZDT6 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $12.5 | $12,50 |
| 10 | $11.2 | $112,00 |
| 100 | $9.85 | $985,00 |
| 500 | $8.4 | $4 200,00 |
| 1 000 | $7.1 | $7 100,00 |
STM32L162ZDT6 Présentation
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.
Alternatives de remplacement direct pour STM32L162ZDT6 — 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 STM32L162ZDT6 (même facteur de forme et même empreinte) — différant par ADC, Communication Interfaces, Comparators, Core, DAC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32L152ZDT6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L162VCT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L162ZDT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$7.1 / unité
Voir la fiche technique →STM32L162ZET6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L162RDT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L162ZDT6 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M3 32-bit |
| Fréquence d'horloge maximale | 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) |
| Boîtier | 144-pin LQFP (20x20 mm) |
| Température de fonctionnement | -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 |
| Statut RoHS | Compliant |
Configuration des broches de STM32L162ZDT6
| Broche 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| Broche 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| Broche 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| Broche 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| Broche 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| Broche 6 | VBAT — RTC backup battery supply |
| Broche 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| Broche 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| Broche 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| Broche 10 | OSC_IN — External clock input |
| Broche 11 | OSC_OUT — External clock output |
| Broche 12 | NRST — Reset (active low) |
| Broche 13 | VSSA — Analog ground |
| Broche 14 | VREF+ — ADC reference voltage positive |
| Broche 15 | VDDA — Analog supply |
| Broche 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| Broche 17 | PA1 — GPIO PA1 |
| Broche 18 | PA2 — GPIO PA2 / USART2_TX |
| Broche 19 | PA3 — GPIO PA3 / USART2_RX |
| Broche 20 | VSS_4 — Digital ground |
| Broche 21 | VDD_4 — Digital supply |
| Broche 22 | PA4 — GPIO PA4 / SPI1_NSS |
| Broche 23 | PA5 — GPIO PA5 |
| Broche 24 | PA6 — GPIO PA6 |
| Broche 25 | PA7 — GPIO PA7 |
| Broche 26 | PC4 — GPIO PC4 |
| Broche 27 | PC5 — GPIO PC5 |
| Broche 28 | PB0 — GPIO PB0 |
| Broche 29 | PB1 — GPIO PB1 |
| Broche 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| Broche 31 | PB10 — GPIO PB10 |
| Broche 32 | PB11 — GPIO PB11 |
| Broche 33 | VSS_1 — Digital ground |
| Broche 34 | VDD_1 — Digital supply |
| Broche 35 | PB12 — GPIO PB12 / SPI2_NSS |
| Broche 36 | PB13 — GPIO PB13 / SPI2_SCK |
| Broche 37 | PB14 — GPIO PB14 / SPI2_MISO |
| Broche 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| Broche 39 | PC6 — GPIO PC6 |
| Broche 40 | PC7 — GPIO PC7 |
| Broche 41 | PC8 — GPIO PC8 |
| Broche 42 | PC9 — GPIO PC9 |
| Broche 43 | PA8 — GPIO PA8 |
| Broche 44 | PA9 — GPIO PA9 / USART1_TX |
| Broche 45 | PA10 — GPIO PA10 / USART1_RX |
| Broche 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| Broche 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| Broche 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| Broche 49 | VSS_2 — Digital ground |
| Broche 50 | VDD_2 — Digital supply |
| Broche 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| Broche 52 | PA15 — GPIO PA15 |
| Broche 53 | PC10 — GPIO PC10 |
| Broche 54 | PC11 — GPIO PC11 |
| Broche 55 | PC12 — GPIO PC12 |
| Broche 56 | PD0 — GPIO PD0 |
| Broche 57 | PD1 — GPIO PD1 |
| Broche 58 | PD2 — GPIO PD2 |
| Broche 59 | PD3 — GPIO PD3 |
| Broche 60 | PD4 — GPIO PD4 |
| Broche 61 | PD5 — GPIO PD5 |
| Broche 62 | VSS_5 — Digital ground |
| Broche 63 | VDD_5 — Digital supply |
| Broche 64 | PD6 — GPIO PD6 |
| Broche 65 | PD7 — GPIO PD7 |
| Broche 66 | PG9 — GPIO PG9 |
| Broche 67 | PG10 — GPIO PG10 |
| Broche 68 | PG11 — GPIO PG11 |
| Broche 69 | PG12 — GPIO PG12 |
| Broche 70 | PG13 — GPIO PG13 |
| Broche 71 | PG14 — GPIO PG14 |
| Broche 72 | VSS_3 — Digital ground |
| Broche 73 | VDD_3 — Digital supply |
| Broche 74 | PG15 — GPIO PG15 |
| Broche 75 | PB3 — GPIO PB3 / SPI1_SCK |
| Broche 76 | PB4 — GPIO PB4 / SPI1_MISO |
| Broche 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| Broche 78 | PB6 — GPIO PB6 / I2C1_SCL |
| Broche 79 | PB7 — GPIO PB7 / I2C1_SDA |
| Broche 80 | BOOT0 — Boot mode select |
| Broche 81 | PB8 — GPIO PB8 / I2C1_SCL |
| Broche 82 | PB9 — GPIO PB9 / I2C1_SDA |
| Broche 83 | PE0 — GPIO PE0 |
| Broche 84 | PE1 — GPIO PE1 |
| Broche 85 | VSS_6 — Digital ground |
| Broche 86 | VDD_6 — Digital supply |
| Broche 87 | PE7 — GPIO PE7 |
| Broche 88 | PE8 — GPIO PE8 |
| Broche 89 | PE9 — GPIO PE9 |
| Broche 90 | PE10 — GPIO PE10 |
| Broche 91 | PE11 — GPIO PE11 |
| Broche 92 | PE12 — GPIO PE12 |
| Broche 93 | PE13 — GPIO PE13 |
| Broche 94 | PE14 — GPIO PE14 |
| Broche 95 | PE15 — GPIO PE15 |
| Broche 96 | PB10 — GPIO PB10 |
| Broche 97 | PB11 — GPIO PB11 |
| Broche 98 | VSS_7 — Digital ground |
| Broche 99 | VDD_7 — Digital supply |
| Broche 100 | PB12 — GPIO PB12 |
| Broche 101 | PB13 — GPIO PB13 |
| Broche 102 | PB14 — GPIO PB14 |
| Broche 103 | PB15 — GPIO PB15 |
| Broche 104 | PD8 — GPIO PD8 |
| Broche 105 | PD9 — GPIO PD9 |
| Broche 106 | PD10 — GPIO PD10 |
| Broche 107 | PD11 — GPIO PD11 |
| Broche 108 | PD12 — GPIO PD12 |
| Broche 109 | PD13 — GPIO PD13 |
| Broche 110 | VSS_8 — Digital ground |
| Broche 111 | VDD_8 — Digital supply |
| Broche 112 | PD14 — GPIO PD14 |
| Broche 113 | PD15 — GPIO PD15 |
| Broche 114 | PG0 — GPIO PG0 |
| Broche 115 | PG1 — GPIO PG1 |
| Broche 116 | PG2 — GPIO PG2 |
| Broche 117 | PG3 — GPIO PG3 |
| Broche 118 | PG4 — GPIO PG4 |
| Broche 119 | PG5 — GPIO PG5 |
| Broche 120 | PG6 — GPIO PG6 |
| Broche 121 | PG7 — GPIO PG7 |
| Broche 122 | PG8 — GPIO PG8 |
| Broche 123 | VSS_9 — Digital ground |
| Broche 124 | VDD_9 — Digital supply |
| Broche 125 | PF0 — GPIO PF0 |
| Broche 126 | PF1 — GPIO PF1 |
| Broche 127 | PF2 — GPIO PF2 |
| Broche 128 | PF3 — GPIO PF3 |
| Broche 129 | PF4 — GPIO PF4 |
| Broche 130 | PF5 — GPIO PF5 |
| Broche 131 | PF6 — GPIO PF6 |
| Broche 132 | PF7 — GPIO PF7 |
| Broche 133 | PF8 — GPIO PF8 |
| Broche 134 | PF9 — GPIO PF9 |
| Broche 135 | PF10 — GPIO PF10 |
| Broche 136 | PF11 — GPIO PF11 |
| Broche 137 | VSS_10 — Digital ground |
| Broche 138 | VDD_10 — Digital supply |
| Broche 139 | PF12 — GPIO PF12 |
| Broche 140 | PF13 — GPIO PF13 |
| Broche 141 | PF14 — GPIO PF14 |
| Broche 142 | PF15 — GPIO PF15 |
| Broche 143 | PG6 — GPIO PG6 |
| Broche 144 | VSS — Digital ground (pad) |
Applications typiques
STM32L162ZDT6 convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32L162ZDT6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- Hardware AES-128 accelerator on-chip (vs STM32L152ZDT6)
- Integrated LCD segment driver with charge pump (vs STM32L152ZDT6)
- Extended temperature grade option in same package (vs STM32L162ZET6)
Notes de conception
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.
Informations de conformité
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.
