STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
料号： STM32L162ZDT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： STM32L162ZDT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32L162ZDT6 （相同外形与封装尺寸） ——差异在于 ADC, Communication Interfaces, Comparators, Core, DAC.
快速对比工具——选择替代料号进行并排对比：
STM32L152ZDT6
✅ 直接替换📋 参考替代料（不在目录中）
STM32L162VCT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L162ZDT6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$7.1 / 个
查看数据手册 →STM32L162ZET6
✅ 直接替换📋 参考替代料（不在目录中）
STM32L162RDT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L162ZDT6 最大额定值与电气特性
| Core | ARM Cortex-M3 32-bit |
| 最大时钟频率 | 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) |
| 封装 | 144-pin LQFP (20x20 mm) |
| 工作温度 | -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 |
| RoHS 状态 | Compliant |
STM32L162ZDT6 引脚配置
| 引脚 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| 引脚 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| 引脚 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| 引脚 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| 引脚 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| 引脚 6 | VBAT — RTC backup battery supply |
| 引脚 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| 引脚 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| 引脚 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| 引脚 10 | OSC_IN — External clock input |
| 引脚 11 | OSC_OUT — External clock output |
| 引脚 12 | NRST — Reset (active low) |
| 引脚 13 | VSSA — Analog ground |
| 引脚 14 | VREF+ — ADC reference voltage positive |
| 引脚 15 | VDDA — Analog supply |
| 引脚 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| 引脚 17 | PA1 — GPIO PA1 |
| 引脚 18 | PA2 — GPIO PA2 / USART2_TX |
| 引脚 19 | PA3 — GPIO PA3 / USART2_RX |
| 引脚 20 | VSS_4 — Digital ground |
| 引脚 21 | VDD_4 — Digital supply |
| 引脚 22 | PA4 — GPIO PA4 / SPI1_NSS |
| 引脚 23 | PA5 — GPIO PA5 |
| 引脚 24 | PA6 — GPIO PA6 |
| 引脚 25 | PA7 — GPIO PA7 |
| 引脚 26 | PC4 — GPIO PC4 |
| 引脚 27 | PC5 — GPIO PC5 |
| 引脚 28 | PB0 — GPIO PB0 |
| 引脚 29 | PB1 — GPIO PB1 |
| 引脚 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| 引脚 31 | PB10 — GPIO PB10 |
| 引脚 32 | PB11 — GPIO PB11 |
| 引脚 33 | VSS_1 — Digital ground |
| 引脚 34 | VDD_1 — Digital supply |
| 引脚 35 | PB12 — GPIO PB12 / SPI2_NSS |
| 引脚 36 | PB13 — GPIO PB13 / SPI2_SCK |
| 引脚 37 | PB14 — GPIO PB14 / SPI2_MISO |
| 引脚 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| 引脚 39 | PC6 — GPIO PC6 |
| 引脚 40 | PC7 — GPIO PC7 |
| 引脚 41 | PC8 — GPIO PC8 |
| 引脚 42 | PC9 — GPIO PC9 |
| 引脚 43 | PA8 — GPIO PA8 |
| 引脚 44 | PA9 — GPIO PA9 / USART1_TX |
| 引脚 45 | PA10 — GPIO PA10 / USART1_RX |
| 引脚 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| 引脚 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| 引脚 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| 引脚 49 | VSS_2 — Digital ground |
| 引脚 50 | VDD_2 — Digital supply |
| 引脚 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| 引脚 52 | PA15 — GPIO PA15 |
| 引脚 53 | PC10 — GPIO PC10 |
| 引脚 54 | PC11 — GPIO PC11 |
| 引脚 55 | PC12 — GPIO PC12 |
| 引脚 56 | PD0 — GPIO PD0 |
| 引脚 57 | PD1 — GPIO PD1 |
| 引脚 58 | PD2 — GPIO PD2 |
| 引脚 59 | PD3 — GPIO PD3 |
| 引脚 60 | PD4 — GPIO PD4 |
| 引脚 61 | PD5 — GPIO PD5 |
| 引脚 62 | VSS_5 — Digital ground |
| 引脚 63 | VDD_5 — Digital supply |
| 引脚 64 | PD6 — GPIO PD6 |
| 引脚 65 | PD7 — GPIO PD7 |
| 引脚 66 | PG9 — GPIO PG9 |
| 引脚 67 | PG10 — GPIO PG10 |
| 引脚 68 | PG11 — GPIO PG11 |
| 引脚 69 | PG12 — GPIO PG12 |
| 引脚 70 | PG13 — GPIO PG13 |
| 引脚 71 | PG14 — GPIO PG14 |
| 引脚 72 | VSS_3 — Digital ground |
| 引脚 73 | VDD_3 — Digital supply |
| 引脚 74 | PG15 — GPIO PG15 |
| 引脚 75 | PB3 — GPIO PB3 / SPI1_SCK |
| 引脚 76 | PB4 — GPIO PB4 / SPI1_MISO |
| 引脚 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| 引脚 78 | PB6 — GPIO PB6 / I2C1_SCL |
| 引脚 79 | PB7 — GPIO PB7 / I2C1_SDA |
| 引脚 80 | BOOT0 — Boot mode select |
| 引脚 81 | PB8 — GPIO PB8 / I2C1_SCL |
| 引脚 82 | PB9 — GPIO PB9 / I2C1_SDA |
| 引脚 83 | PE0 — GPIO PE0 |
| 引脚 84 | PE1 — GPIO PE1 |
| 引脚 85 | VSS_6 — Digital ground |
| 引脚 86 | VDD_6 — Digital supply |
| 引脚 87 | PE7 — GPIO PE7 |
| 引脚 88 | PE8 — GPIO PE8 |
| 引脚 89 | PE9 — GPIO PE9 |
| 引脚 90 | PE10 — GPIO PE10 |
| 引脚 91 | PE11 — GPIO PE11 |
| 引脚 92 | PE12 — GPIO PE12 |
| 引脚 93 | PE13 — GPIO PE13 |
| 引脚 94 | PE14 — GPIO PE14 |
| 引脚 95 | PE15 — GPIO PE15 |
| 引脚 96 | PB10 — GPIO PB10 |
| 引脚 97 | PB11 — GPIO PB11 |
| 引脚 98 | VSS_7 — Digital ground |
| 引脚 99 | VDD_7 — Digital supply |
| 引脚 100 | PB12 — GPIO PB12 |
| 引脚 101 | PB13 — GPIO PB13 |
| 引脚 102 | PB14 — GPIO PB14 |
| 引脚 103 | PB15 — GPIO PB15 |
| 引脚 104 | PD8 — GPIO PD8 |
| 引脚 105 | PD9 — GPIO PD9 |
| 引脚 106 | PD10 — GPIO PD10 |
| 引脚 107 | PD11 — GPIO PD11 |
| 引脚 108 | PD12 — GPIO PD12 |
| 引脚 109 | PD13 — GPIO PD13 |
| 引脚 110 | VSS_8 — Digital ground |
| 引脚 111 | VDD_8 — Digital supply |
| 引脚 112 | PD14 — GPIO PD14 |
| 引脚 113 | PD15 — GPIO PD15 |
| 引脚 114 | PG0 — GPIO PG0 |
| 引脚 115 | PG1 — GPIO PG1 |
| 引脚 116 | PG2 — GPIO PG2 |
| 引脚 117 | PG3 — GPIO PG3 |
| 引脚 118 | PG4 — GPIO PG4 |
| 引脚 119 | PG5 — GPIO PG5 |
| 引脚 120 | PG6 — GPIO PG6 |
| 引脚 121 | PG7 — GPIO PG7 |
| 引脚 122 | PG8 — GPIO PG8 |
| 引脚 123 | VSS_9 — Digital ground |
| 引脚 124 | VDD_9 — Digital supply |
| 引脚 125 | PF0 — GPIO PF0 |
| 引脚 126 | PF1 — GPIO PF1 |
| 引脚 127 | PF2 — GPIO PF2 |
| 引脚 128 | PF3 — GPIO PF3 |
| 引脚 129 | PF4 — GPIO PF4 |
| 引脚 130 | PF5 — GPIO PF5 |
| 引脚 131 | PF6 — GPIO PF6 |
| 引脚 132 | PF7 — GPIO PF7 |
| 引脚 133 | PF8 — GPIO PF8 |
| 引脚 134 | PF9 — GPIO PF9 |
| 引脚 135 | PF10 — GPIO PF10 |
| 引脚 136 | PF11 — GPIO PF11 |
| 引脚 137 | VSS_10 — Digital ground |
| 引脚 138 | VDD_10 — Digital supply |
| 引脚 139 | PF12 — GPIO PF12 |
| 引脚 140 | PF13 — GPIO PF13 |
| 引脚 141 | PF14 — GPIO PF14 |
| 引脚 142 | PF15 — GPIO PF15 |
| 引脚 143 | PG6 — GPIO PG6 |
| 引脚 144 | VSS — Digital ground (pad) |
典型应用
STM32L162ZDT6 适用于 6 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： STM32L162ZDT6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Hardware AES-128 accelerator on-chip （对比 STM32L152ZDT6)
- Integrated LCD segment driver with charge pump （对比 STM32L152ZDT6)
- Extended temperature grade option in same package （对比 STM32L162ZET6)
设计说明
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.
合规信息
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.
