STM32L162ZDT6 - 32MHz Cortex-M3 MCU 384KB Flash USB AES | STMicroelectronics
MPN: STM32L162ZDT6 ✓ সক্রিয়STM32L162ZDT6 সারাংশ
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.
এর জন্য ড্রপ-ইন বিকল্প STM32L162ZDT6 — একই package, pin-to-pin compatible। ভিন্ন package-এর যেসব পার্টে PCB rework প্রয়োজন সেগুলো বাদ দেওয়া হয়েছে।
এই সিরিজের ভ্যারিয়েন্ট
একই সিরিজের মডেল যেগুলো drop-in compatible STM32L162ZDT6 (একই form factor এবং footprint) — পার্থক্য রয়েছে Package, Flash Memory, Mounting Type, ADC, Communication Interfaces.
STM32L152ZDT6
✅ ড্রপ-ইনমূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →STM32L162VCT6
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়মূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →STM32L162ZDT6
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়মূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →STM32L162ZET6
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
STM32L162RDT6
✅ ড্রপ-ইন ⚠️ স্পেক যাচাইকৃত নয়📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
STM32L162ZDT6 সর্বোচ্চ রেটিং ও বৈদ্যুতিক বৈশিষ্ট্য
| Core | ARM Cortex-M3 32-bit |
| সর্বোচ্চ ক্লক ফ্রিকোয়েন্সি | 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) |
| প্যাকেজ | 144-pin LQFP (20x20 mm) |
| অপারেটিং তাপমাত্রা | -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 স্ট্যাটাস | Compliant |
STM32L162ZDT6 পিন কনফিগারেশন
| পিন 1 | PE2/TRACECLK — GPIO PE2 / Trace clock |
| পিন 2 | PE3/TRACED0 — GPIO PE3 / Trace data 0 |
| পিন 3 | PE4/TRACED1 — GPIO PE4 / Trace data 1 |
| পিন 4 | PE5/TRACED2 — GPIO PE5 / Trace data 2 |
| পিন 5 | PE6/TRACED3 — GPIO PE6 / Trace data 3 |
| পিন 6 | VBAT — RTC backup battery supply |
| পিন 7 | PC13/ANTI_TAMP — GPIO PC13 / Anti-tamper |
| পিন 8 | PC14/OSC32_IN — GPIO PC14 / 32.768 kHz oscillator in |
| পিন 9 | PC15/OSC32_OUT — GPIO PC15 / 32.768 kHz oscillator out |
| পিন 10 | OSC_IN — External clock input |
| পিন 11 | OSC_OUT — External clock output |
| পিন 12 | NRST — Reset (active low) |
| পিন 13 | VSSA — Analog ground |
| পিন 14 | VREF+ — ADC reference voltage positive |
| পিন 15 | VDDA — Analog supply |
| পিন 16 | PA0/WKUP — GPIO PA0 / Wakeup |
| পিন 17 | PA1 — GPIO PA1 |
| পিন 18 | PA2 — GPIO PA2 / USART2_TX |
| পিন 19 | PA3 — GPIO PA3 / USART2_RX |
| পিন 20 | VSS_4 — Digital ground |
| পিন 21 | VDD_4 — Digital supply |
| পিন 22 | PA4 — GPIO PA4 / SPI1_NSS |
| পিন 23 | PA5 — GPIO PA5 |
| পিন 24 | PA6 — GPIO PA6 |
| পিন 25 | PA7 — GPIO PA7 |
| পিন 26 | PC4 — GPIO PC4 |
| পিন 27 | PC5 — GPIO PC5 |
| পিন 28 | PB0 — GPIO PB0 |
| পিন 29 | PB1 — GPIO PB1 |
| পিন 30 | PB2/BOOT1 — GPIO PB2 / Boot mode select |
| পিন 31 | PB10 — GPIO PB10 |
| পিন 32 | PB11 — GPIO PB11 |
| পিন 33 | VSS_1 — Digital ground |
| পিন 34 | VDD_1 — Digital supply |
| পিন 35 | PB12 — GPIO PB12 / SPI2_NSS |
| পিন 36 | PB13 — GPIO PB13 / SPI2_SCK |
| পিন 37 | PB14 — GPIO PB14 / SPI2_MISO |
| পিন 38 | PB15 — GPIO PB15 / SPI2_MOSI |
| পিন 39 | PC6 — GPIO PC6 |
| পিন 40 | PC7 — GPIO PC7 |
| পিন 41 | PC8 — GPIO PC8 |
| পিন 42 | PC9 — GPIO PC9 |
| পিন 43 | PA8 — GPIO PA8 |
| পিন 44 | PA9 — GPIO PA9 / USART1_TX |
| পিন 45 | PA10 — GPIO PA10 / USART1_RX |
| পিন 46 | PA11/USB_DM — GPIO PA11 / USB data minus |
| পিন 47 | PA12/USB_DP — GPIO PA12 / USB data plus |
| পিন 48 | PA13/SWDIO — GPIO PA13 / SWD data |
| পিন 49 | VSS_2 — Digital ground |
| পিন 50 | VDD_2 — Digital supply |
| পিন 51 | PA14/SWCLK — GPIO PA14 / SWD clock |
| পিন 52 | PA15 — GPIO PA15 |
| পিন 53 | PC10 — GPIO PC10 |
| পিন 54 | PC11 — GPIO PC11 |
| পিন 55 | PC12 — GPIO PC12 |
| পিন 56 | PD0 — GPIO PD0 |
| পিন 57 | PD1 — GPIO PD1 |
| পিন 58 | PD2 — GPIO PD2 |
| পিন 59 | PD3 — GPIO PD3 |
| পিন 60 | PD4 — GPIO PD4 |
| পিন 61 | PD5 — GPIO PD5 |
| পিন 62 | VSS_5 — Digital ground |
| পিন 63 | VDD_5 — Digital supply |
| পিন 64 | PD6 — GPIO PD6 |
| পিন 65 | PD7 — GPIO PD7 |
| পিন 66 | PG9 — GPIO PG9 |
| পিন 67 | PG10 — GPIO PG10 |
| পিন 68 | PG11 — GPIO PG11 |
| পিন 69 | PG12 — GPIO PG12 |
| পিন 70 | PG13 — GPIO PG13 |
| পিন 71 | PG14 — GPIO PG14 |
| পিন 72 | VSS_3 — Digital ground |
| পিন 73 | VDD_3 — Digital supply |
| পিন 74 | PG15 — GPIO PG15 |
| পিন 75 | PB3 — GPIO PB3 / SPI1_SCK |
| পিন 76 | PB4 — GPIO PB4 / SPI1_MISO |
| পিন 77 | PB5 — GPIO PB5 / SPI1_MOSI |
| পিন 78 | PB6 — GPIO PB6 / I2C1_SCL |
| পিন 79 | PB7 — GPIO PB7 / I2C1_SDA |
| পিন 80 | BOOT0 — Boot mode select |
| পিন 81 | PB8 — GPIO PB8 / I2C1_SCL |
| পিন 82 | PB9 — GPIO PB9 / I2C1_SDA |
| পিন 83 | PE0 — GPIO PE0 |
| পিন 84 | PE1 — GPIO PE1 |
| পিন 85 | VSS_6 — Digital ground |
| পিন 86 | VDD_6 — Digital supply |
| পিন 87 | PE7 — GPIO PE7 |
| পিন 88 | PE8 — GPIO PE8 |
| পিন 89 | PE9 — GPIO PE9 |
| পিন 90 | PE10 — GPIO PE10 |
| পিন 91 | PE11 — GPIO PE11 |
| পিন 92 | PE12 — GPIO PE12 |
| পিন 93 | PE13 — GPIO PE13 |
| পিন 94 | PE14 — GPIO PE14 |
| পিন 95 | PE15 — GPIO PE15 |
| পিন 96 | PB10 — GPIO PB10 |
| পিন 97 | PB11 — GPIO PB11 |
| পিন 98 | VSS_7 — Digital ground |
| পিন 99 | VDD_7 — Digital supply |
| পিন 100 | PB12 — GPIO PB12 |
| পিন 101 | PB13 — GPIO PB13 |
| পিন 102 | PB14 — GPIO PB14 |
| পিন 103 | PB15 — GPIO PB15 |
| পিন 104 | PD8 — GPIO PD8 |
| পিন 105 | PD9 — GPIO PD9 |
| পিন 106 | PD10 — GPIO PD10 |
| পিন 107 | PD11 — GPIO PD11 |
| পিন 108 | PD12 — GPIO PD12 |
| পিন 109 | PD13 — GPIO PD13 |
| পিন 110 | VSS_8 — Digital ground |
| পিন 111 | VDD_8 — Digital supply |
| পিন 112 | PD14 — GPIO PD14 |
| পিন 113 | PD15 — GPIO PD15 |
| পিন 114 | PG0 — GPIO PG0 |
| পিন 115 | PG1 — GPIO PG1 |
| পিন 116 | PG2 — GPIO PG2 |
| পিন 117 | PG3 — GPIO PG3 |
| পিন 118 | PG4 — GPIO PG4 |
| পিন 119 | PG5 — GPIO PG5 |
| পিন 120 | PG6 — GPIO PG6 |
| পিন 121 | PG7 — GPIO PG7 |
| পিন 122 | PG8 — GPIO PG8 |
| পিন 123 | VSS_9 — Digital ground |
| পিন 124 | VDD_9 — Digital supply |
| পিন 125 | PF0 — GPIO PF0 |
| পিন 126 | PF1 — GPIO PF1 |
| পিন 127 | PF2 — GPIO PF2 |
| পিন 128 | PF3 — GPIO PF3 |
| পিন 129 | PF4 — GPIO PF4 |
| পিন 130 | PF5 — GPIO PF5 |
| পিন 131 | PF6 — GPIO PF6 |
| পিন 132 | PF7 — GPIO PF7 |
| পিন 133 | PF8 — GPIO PF8 |
| পিন 134 | PF9 — GPIO PF9 |
| পিন 135 | PF10 — GPIO PF10 |
| পিন 136 | PF11 — GPIO PF11 |
| পিন 137 | VSS_10 — Digital ground |
| পিন 138 | VDD_10 — Digital supply |
| পিন 139 | PF12 — GPIO PF12 |
| পিন 140 | PF13 — GPIO PF13 |
| পিন 141 | PF14 — GPIO PF14 |
| পিন 142 | PF15 — GPIO PF15 |
| পিন 143 | PG6 — GPIO PG6 |
| পিন 144 | VSS — Digital ground (pad) |
সাধারণ ব্যবহার
STM32L162ZDT6 এর জন্য উপযুক্ত 6 অ্যাপ্লিকেশনs: 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.
সুপারিশকৃত
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.
সুপারিশকৃত
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.
সুপারিশকৃত
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.
সুপারিশকৃত
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.
সুপারিশকৃত
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.
সুপারিশকৃত
সুপারিশকৃত পণ্যের সারসংক্ষেপ
এর জন্য ইঞ্জিনিয়ারিং রেফারেন্স ডেটা STM32L162ZDT6 — তুলনা, ডিজাইন গাইডেন্স এবং কমপ্লায়েন্স তথ্য।
নির্বাচন গাইড
বিকল্পের সাথে তুলনা
| পারামিটার | এই পণ্য | 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 |
মূল পার্থক্যসমূহ
- Hardware AES-128 accelerator on-chip (বনামSTM32L152ZDT6)
- Integrated LCD segment driver with charge pump (বনামSTM32L152ZDT6)
- Extended temperature grade option in same package (বনামSTM32L162ZET6)
ডিজাইন নোট
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.
কমপ্লায়েন্স তথ্য
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.
