STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
N.º da peça: STM32L162ZDT6 ✓ Ativo| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para STM32L162ZDT6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32L162ZDT6 (mesmo formato e footprint) — diferindo em ADC, Communication Interfaces, Comparators, Core, DAC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32L152ZDT6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L162VCT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L162ZDT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$7.1 / unidade
Ver ficha técnica →STM32L162ZET6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L162RDT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L162ZDT6 Classificações máximas e características elétricas
| Core | ARM Cortex-M3 32-bit |
| Frequência máxima de clock | 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) |
| Encapsulamento | 144-pin LQFP (20x20 mm) |
| Temperatura de operação | -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 |
| Status RoHS | Compliant |
Configuração de pinos do STM32L162ZDT6
| Pino 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| Pino 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| Pino 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| Pino 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| Pino 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| Pino 6 | VBAT — RTC backup battery supply |
| Pino 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| Pino 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| Pino 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| Pino 10 | OSC_IN — External clock input |
| Pino 11 | OSC_OUT — External clock output |
| Pino 12 | NRST — Reset (active low) |
| Pino 13 | VSSA — Analog ground |
| Pino 14 | VREF+ — ADC reference voltage positive |
| Pino 15 | VDDA — Analog supply |
| Pino 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| Pino 17 | PA1 — GPIO PA1 |
| Pino 18 | PA2 — GPIO PA2 / USART2_TX |
| Pino 19 | PA3 — GPIO PA3 / USART2_RX |
| Pino 20 | VSS_4 — Digital ground |
| Pino 21 | VDD_4 — Digital supply |
| Pino 22 | PA4 — GPIO PA4 / SPI1_NSS |
| Pino 23 | PA5 — GPIO PA5 |
| Pino 24 | PA6 — GPIO PA6 |
| Pino 25 | PA7 — GPIO PA7 |
| Pino 26 | PC4 — GPIO PC4 |
| Pino 27 | PC5 — GPIO PC5 |
| Pino 28 | PB0 — GPIO PB0 |
| Pino 29 | PB1 — GPIO PB1 |
| Pino 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| Pino 31 | PB10 — GPIO PB10 |
| Pino 32 | PB11 — GPIO PB11 |
| Pino 33 | VSS_1 — Digital ground |
| Pino 34 | VDD_1 — Digital supply |
| Pino 35 | PB12 — GPIO PB12 / SPI2_NSS |
| Pino 36 | PB13 — GPIO PB13 / SPI2_SCK |
| Pino 37 | PB14 — GPIO PB14 / SPI2_MISO |
| Pino 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| Pino 39 | PC6 — GPIO PC6 |
| Pino 40 | PC7 — GPIO PC7 |
| Pino 41 | PC8 — GPIO PC8 |
| Pino 42 | PC9 — GPIO PC9 |
| Pino 43 | PA8 — GPIO PA8 |
| Pino 44 | PA9 — GPIO PA9 / USART1_TX |
| Pino 45 | PA10 — GPIO PA10 / USART1_RX |
| Pino 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| Pino 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| Pino 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| Pino 49 | VSS_2 — Digital ground |
| Pino 50 | VDD_2 — Digital supply |
| Pino 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| Pino 52 | PA15 — GPIO PA15 |
| Pino 53 | PC10 — GPIO PC10 |
| Pino 54 | PC11 — GPIO PC11 |
| Pino 55 | PC12 — GPIO PC12 |
| Pino 56 | PD0 — GPIO PD0 |
| Pino 57 | PD1 — GPIO PD1 |
| Pino 58 | PD2 — GPIO PD2 |
| Pino 59 | PD3 — GPIO PD3 |
| Pino 60 | PD4 — GPIO PD4 |
| Pino 61 | PD5 — GPIO PD5 |
| Pino 62 | VSS_5 — Digital ground |
| Pino 63 | VDD_5 — Digital supply |
| Pino 64 | PD6 — GPIO PD6 |
| Pino 65 | PD7 — GPIO PD7 |
| Pino 66 | PG9 — GPIO PG9 |
| Pino 67 | PG10 — GPIO PG10 |
| Pino 68 | PG11 — GPIO PG11 |
| Pino 69 | PG12 — GPIO PG12 |
| Pino 70 | PG13 — GPIO PG13 |
| Pino 71 | PG14 — GPIO PG14 |
| Pino 72 | VSS_3 — Digital ground |
| Pino 73 | VDD_3 — Digital supply |
| Pino 74 | PG15 — GPIO PG15 |
| Pino 75 | PB3 — GPIO PB3 / SPI1_SCK |
| Pino 76 | PB4 — GPIO PB4 / SPI1_MISO |
| Pino 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| Pino 78 | PB6 — GPIO PB6 / I2C1_SCL |
| Pino 79 | PB7 — GPIO PB7 / I2C1_SDA |
| Pino 80 | BOOT0 — Boot mode select |
| Pino 81 | PB8 — GPIO PB8 / I2C1_SCL |
| Pino 82 | PB9 — GPIO PB9 / I2C1_SDA |
| Pino 83 | PE0 — GPIO PE0 |
| Pino 84 | PE1 — GPIO PE1 |
| Pino 85 | VSS_6 — Digital ground |
| Pino 86 | VDD_6 — Digital supply |
| Pino 87 | PE7 — GPIO PE7 |
| Pino 88 | PE8 — GPIO PE8 |
| Pino 89 | PE9 — GPIO PE9 |
| Pino 90 | PE10 — GPIO PE10 |
| Pino 91 | PE11 — GPIO PE11 |
| Pino 92 | PE12 — GPIO PE12 |
| Pino 93 | PE13 — GPIO PE13 |
| Pino 94 | PE14 — GPIO PE14 |
| Pino 95 | PE15 — GPIO PE15 |
| Pino 96 | PB10 — GPIO PB10 |
| Pino 97 | PB11 — GPIO PB11 |
| Pino 98 | VSS_7 — Digital ground |
| Pino 99 | VDD_7 — Digital supply |
| Pino 100 | PB12 — GPIO PB12 |
| Pino 101 | PB13 — GPIO PB13 |
| Pino 102 | PB14 — GPIO PB14 |
| Pino 103 | PB15 — GPIO PB15 |
| Pino 104 | PD8 — GPIO PD8 |
| Pino 105 | PD9 — GPIO PD9 |
| Pino 106 | PD10 — GPIO PD10 |
| Pino 107 | PD11 — GPIO PD11 |
| Pino 108 | PD12 — GPIO PD12 |
| Pino 109 | PD13 — GPIO PD13 |
| Pino 110 | VSS_8 — Digital ground |
| Pino 111 | VDD_8 — Digital supply |
| Pino 112 | PD14 — GPIO PD14 |
| Pino 113 | PD15 — GPIO PD15 |
| Pino 114 | PG0 — GPIO PG0 |
| Pino 115 | PG1 — GPIO PG1 |
| Pino 116 | PG2 — GPIO PG2 |
| Pino 117 | PG3 — GPIO PG3 |
| Pino 118 | PG4 — GPIO PG4 |
| Pino 119 | PG5 — GPIO PG5 |
| Pino 120 | PG6 — GPIO PG6 |
| Pino 121 | PG7 — GPIO PG7 |
| Pino 122 | PG8 — GPIO PG8 |
| Pino 123 | VSS_9 — Digital ground |
| Pino 124 | VDD_9 — Digital supply |
| Pino 125 | PF0 — GPIO PF0 |
| Pino 126 | PF1 — GPIO PF1 |
| Pino 127 | PF2 — GPIO PF2 |
| Pino 128 | PF3 — GPIO PF3 |
| Pino 129 | PF4 — GPIO PF4 |
| Pino 130 | PF5 — GPIO PF5 |
| Pino 131 | PF6 — GPIO PF6 |
| Pino 132 | PF7 — GPIO PF7 |
| Pino 133 | PF8 — GPIO PF8 |
| Pino 134 | PF9 — GPIO PF9 |
| Pino 135 | PF10 — GPIO PF10 |
| Pino 136 | PF11 — GPIO PF11 |
| Pino 137 | VSS_10 — Digital ground |
| Pino 138 | VDD_10 — Digital supply |
| Pino 139 | PF12 — GPIO PF12 |
| Pino 140 | PF13 — GPIO PF13 |
| Pino 141 | PF14 — GPIO PF14 |
| Pino 142 | PF15 — GPIO PF15 |
| Pino 143 | PG6 — GPIO PG6 |
| Pino 144 | VSS — Digital ground (pad) |
Aplicações típicas
STM32L162ZDT6 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32L162ZDT6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
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.
