STM32L4R5ZIT6P - Cortex-M4 MCU 120MHz 2MB Flash | STMicroelectronics
N.º da peça: STM32L4R5ZIT6P ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $14.5 | $14,50 |
| 10 | $13.2 | $132,00 |
| 100 | $11.85 | $1.185,00 |
| 500 | $10.45 | $5.225,00 |
| 1.000 | $9.3 | $9.300,00 |
STM32L4R5ZIT6P Visão geral
An ultra-low-power MCU is a microcontroller specifically architected to minimize energy use across active, sleep, deep-sleep, and shutdown modes, enabling battery-powered and energy-harvesting designs. Within the system hierarchy, the STM32L4+ sits at the high end of ST's ultra-low-power line, above the STM32L0 and STM32L1 families, and below the Cortex-M7 based STM32F7/H7 high-performance lines. The Cortex-M4 core adds DSP extensions and a single-precision FPU, making it suitable for signal-processing tasks that the Cortex-M0+ cannot handle efficiently.
Key features include a 120 MHz Cortex-M4 core with FPU and MPU, 2 MB dual-bank Flash supporting read-while-write, 640 KB SRAM including 16 KB SRAM2 with parity, a 1.8V core supply with internal SMPS step-down converter for ultra-low-power Run mode, and an extensive peripheral set including USB OTG full-speed, three SPIs, three I2C, six USART/UARTs, two SAIs, one CAN, one SDMMC, and a 12-bit ADC with 5 Msps throughput. The Chrom-ART 2D graphics accelerator and OctoSPI Flash interface support modern display and memory expansion requirements.
Typical applications include low-power IoT sensor nodes, wearable health monitors, industrial HMI with TFT displays, smart meters, asset tracking with BLE or LoRa, and battery-powered data loggers. The 144-LQFP package provides generous GPIO (over 100 pins) for complex designs with multiple peripherals.
When designing with this part, evaluate the package size relative to your PCB - the 144-LQFP (20x20 mm) footprint is among the largest in the STM32 family; the smaller 64-LQFP or 48-LQFP variants of the same silicon may suffice if your GPIO budget is smaller. The internal SMPS requires careful PCB layout to minimize EMI.
Alternativas drop-in para STM32L4R5ZIT6P — 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 STM32L4R5ZIT6P (mesmo formato e footprint) — diferindo em Package, ADC, Core, DAC, Maximum Clock Frequency.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32L4R5ZIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$11.4 / unidade
Ver ficha técnica →STM32L4R5ZIY6TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L4R9ZIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$7.2 / unidade
Ver ficha técnica →STM32L4S5ZIT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L4R5VIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$10.45 / unidade
Ver ficha técnica →STM32U575ZIT6
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$8.9 / unidade
Ver ficha técnica →STM32L4R5ZIT6P Classificações máximas e características elétricas
| Core Processor | ARM Cortex-M4 with FPU and MPU |
| Core Size | 32-Bit Single-Core |
| Frequência máxima de clock | 120 MHz |
| Performance | 150 DMIPS / 273 CoreMark |
| Flash Memory Size | 2 MB (2M x 8) |
| SRAM Size | 640 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Faixa de temperatura de operação | -40C to +85C |
| Encapsulamento | 144-LQFP (20 x 20 mm) |
| Tipo de montagem | Surface Mount |
| USB | USB OTG Full-Speed |
| ADC | 12-bit, 5 Msps |
| DAC | 12-bit |
| Graphics Accelerator | Chrom-ART 2D accelerator |
| External Memory Interface | OctoSPI / FSMC / SDMMC |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Configuração de pinos do STM32L4R5ZIT6P
| Pino 1 | PE2 — General-purpose I/O PE2, TRACECLK on some packages |
| Pino 2 | PE3 — General-purpose I/O PE3, TRACED0 |
| Pino 3 | PE4 — General-purpose I/O PE4, TRACED1 |
| Pino 4 | PE5 — General-purpose I/O PE5, TRACED2 |
| Pino 5 | PE6 — General-purpose I/O PE6, TRACED3 |
| Pino 6 | VBAT — RTC battery supply input |
| Pino 7 | PC13 — General-purpose I/O PC13, RTC tamper |
| Pino 8 | PC14 — General-purpose I/O PC14, OSC32_IN |
| Pino 9 | PC15 — General-purpose I/O PC15, OSC32_OUT |
| Pino 10 | VSS — Ground |
| Pino 11 | VDD — Digital supply voltage |
| Pino 12 | PH0 — General-purpose I/O PH0, OSC_IN |
| Pino 13 | PH1 — General-purpose I/O PH1, OSC_OUT |
| Pino 14 | NRST — Reset input (active low) |
| Pino 15 | PC0 — General-purpose I/O PC0, ADC1_IN1 |
| Pino 16 | PC1 — General-purpose I/O PC1, ADC1_IN2 |
| Pino 17 | PC2 — General-purpose I/O PC2, ADC1_IN3 |
| Pino 18 | PC3 — General-purpose I/O PC3, ADC1_IN4 |
| Pino 19 | VSSA — Analog ground |
| Pino 20 | VDDA — Analog supply voltage |
| Pino 21 | PA0 — General-purpose I/O PA0, ADC1_IN5, WKUP1 |
| Pino 22 | PA1 — General-purpose I/O PA1, ADC1_IN6 |
| Pino 23 | PA2 — General-purpose I/O PA2, ADC1_IN7, USART2_TX |
| Pino 24 | PA3 — General-purpose I/O PA3, ADC1_IN8, USART2_RX |
| Pino 25 | VSS — Ground |
| Pino 26 | VDD — Digital supply voltage |
| Pino 27 | PA4 — General-purpose I/O PA4, ADC1_IN9, SPI1_NSS |
| Pino 28 | PA5 — General-purpose I/O PA5, ADC1_IN10, SPI1_SCK |
| Pino 29 | PA6 — General-purpose I/O PA6, ADC1_IN11, SPI1_MISO |
| Pino 30 | PA7 — General-purpose I/O PA7, ADC1_IN12, SPI1_MOSI |
| Pino 31 | PC4 — General-purpose I/O PC4, ADC1_IN13 |
| Pino 32 | PC5 — General-purpose I/O PC5, ADC1_IN14 |
| Pino 33 | PB0 — General-purpose I/O PB0, ADC1_IN15 |
| Pino 34 | PB1 — General-purpose I/O PB1, ADC1_IN16 |
| Pino 35 | PB2 — General-purpose I/O PB2, BOOT1 |
| Pino 36 | PE7 — General-purpose I/O PE7 |
| Pino 37 | PE8 — General-purpose I/O PE8 |
| Pino 38 | PE9 — General-purpose I/O PE9 |
| Pino 39 | PE10 — General-purpose I/O PE10 |
| Pino 40 | PE11 — General-purpose I/O PE11 |
| Pino 41 | PE12 — General-purpose I/O PE12 |
| Pino 42 | PE13 — General-purpose I/O PE13 |
| Pino 43 | PE14 — General-purpose I/O PE14 |
| Pino 44 | PE15 — General-purpose I/O PE15 |
| Pino 45 | PB10 — General-purpose I/O PB10, I2C2_SCL |
| Pino 46 | PB11 — General-purpose I/O PB11, I2C2_SDA |
| Pino 47 | VSS — Ground |
| Pino 48 | VDD — Digital supply voltage |
| Pino 49 | PB12 — General-purpose I/O PB12, SPI2_NSS |
| Pino 50 | PB13 — General-purpose I/O PB13, SPI2_SCK |
| Pino 51 | PB14 — General-purpose I/O PB14, SPI2_MISO |
| Pino 52 | PB15 — General-purpose I/O PB15, SPI2_MOSI |
| Pino 53 | PD8 — General-purpose I/O PD8, USART3_TX |
| Pino 54 | PD9 — General-purpose I/O PD9, USART3_RX |
| Pino 55 | PD10 — General-purpose I/O PD10 |
| Pino 56 | PD11 — General-purpose I/O PD11 |
| Pino 57 | PD12 — General-purpose I/O PD12 |
| Pino 58 | PD13 — General-purpose I/O PD13 |
| Pino 59 | PD14 — General-purpose I/O PD14 |
| Pino 60 | PD15 — General-purpose I/O PD15 |
| Pino 61 | PC6 — General-purpose I/O PC6, USART6_TX, TIM3 |
| Pino 62 | PC7 — General-purpose I/O PC7, USART6_RX, TIM3 |
| Pino 63 | PC8 — General-purpose I/O PC8, SDMMC_D0 |
| Pino 64 | PC9 — General-purpose I/O PC9, SDMMC_D1 |
| Pino 65 | PA8 — General-purpose I/O PA8, RCC_MCO, TIM1_CH1 |
| Pino 66 | PA9 — General-purpose I/O PA9, USART1_TX |
| Pino 67 | PA10 — General-purpose I/O PA10, USART1_RX |
| Pino 68 | PA11 — General-purpose I/O PA11, USB_DM |
| Pino 69 | PA12 — General-purpose I/O PA12, USB_DP |
| Pino 70 | PA13 — General-purpose I/O PA13, JTMS-SWDIO |
| Pino 71 | VSS — Ground |
| Pino 72 | VDD — Digital supply voltage |
| Pino 73 | PA14 — General-purpose I/O PA14, JTCK-SWCLK |
| Pino 74 | PA15 — General-purpose I/O PA15, JTDI |
| Pino 75 | PC10 — General-purpose I/O PC10, SDMMC_D2 |
| Pino 76 | PC11 — General-purpose I/O PC11, SDMMC_D3 |
| Pino 77 | PC12 — General-purpose I/O PC12, SDMMC_CK |
| Pino 78 | PD0 — General-purpose I/O PD0, FSMC_D2 |
| Pino 79 | PD1 — General-purpose I/O PD1, FSMC_D3 |
| Pino 80 | PD2 — General-purpose I/O PD2, SDMMC_CMD |
| Pino 81 | PD3 — General-purpose I/O PD3, FSMC_CLK |
| Pino 82 | PD4 — General-purpose I/O PD4, FSMC_NOE |
| Pino 83 | PD5 — General-purpose I/O PD5, FSMC_NWE |
| Pino 84 | PD6 — General-purpose I/O PD6, FSMC_NWAIT |
| Pino 85 | PD7 — General-purpose I/O PD7, FSMC_NE1 |
| Pino 86 | PB3 — General-purpose I/O PB3, JTDO-SWO, TIM2_CH2 |
| Pino 87 | PB4 — General-purpose I/O PB4, NJTRST, TIM3_CH1 |
| Pino 88 | PB5 — General-purpose I/O PB5, TIM3_CH2 |
| Pino 89 | PB6 — General-purpose I/O PB6, I2C1_SCL, USART1_TX |
| Pino 90 | PB7 — General-purpose I/O PB7, I2C1_SDA, USART1_RX |
| Pino 91 | BOOT0 — Boot mode selection |
| Pino 92 | PB8 — General-purpose I/O PB8, I2C1_SCL, TIM4 |
| Pino 93 | PB9 — General-purpose I/O PB9, I2C1_SDA, TIM4 |
| Pino 94 | PE0 — General-purpose I/O PE0, TIM4 |
| Pino 95 | PE1 — General-purpose I/O PE1, TIM4 |
| Pino 96 | VSS — Ground |
| Pino 97 | VDD — Digital supply voltage |
| Pino 98 | PF0 — General-purpose I/O PF0, FSMC_A0, I2C1_SDA |
| Pino 99 | PF1 — General-purpose I/O PF1, FSMC_A1, I2C1_SCL |
| Pino 100 | PF2 — General-purpose I/O PF2, FSMC_A2 |
| Pino 101 | PF3 — General-purpose I/O PF3, FSMC_A3 |
| Pino 102 | PF4 — General-purpose I/O PF4, FSMC_A4 |
| Pino 103 | PF5 — General-purpose I/O PF5, FSMC_A5 |
| Pino 104 | VSS — Ground |
| Pino 105 | VDD — Digital supply voltage |
| Pino 106 | PF6 — General-purpose I/O PF6, FSMC_NIORD |
| Pino 107 | PF7 — General-purpose I/O PF7, FSMC_NREG |
| Pino 108 | PF8 — General-purpose I/O PF8, FSMC_NIOWR |
| Pino 109 | PF9 — General-purpose I/O PF9, FSMC_CD |
| Pino 110 | PF10 — General-purpose I/O PF10, FSMC_INTR |
| Pino 111 | PH2 — General-purpose I/O PH2 |
| Pino 112 | PH3 — General-purpose I/O PH3 |
| Pino 113 | PH4 — General-purpose I/O PH4, I2C2_SCL |
| Pino 114 | PH5 — General-purpose I/O PH5, I2C2_SDA |
| Pino 115 | PA0_REMAP — Reserved / VREF+ on some masks |
| Pino 116 | PA1_REMAP — Reserved |
| Pino 117 | VSS — Ground |
| Pino 118 | VDD — Digital supply voltage |
| Pino 119 | PG0 — General-purpose I/O PG0, FSMC_A10 |
| Pino 120 | PG1 — General-purpose I/O PG1, FSMC_A11 |
| Pino 121 | PG2 — General-purpose I/O PG2, FSMC_A12 |
| Pino 122 | PG3 — General-purpose I/O PG3, FSMC_A13 |
| Pino 123 | PG4 — General-purpose I/O PG4, FSMC_A14 |
| Pino 124 | PG5 — General-purpose I/O PG5, FSMC_A15 |
| Pino 125 | PG6 — General-purpose I/O PG6 |
| Pino 126 | PG7 — General-purpose I/O PG7 |
| Pino 127 | PG8 — General-purpose I/O PG8 |
| Pino 128 | VSS — Ground |
| Pino 129 | VDD — Digital supply voltage |
| Pino 130 | PC13_REMAP — Reserved |
| Pino 131 | PC14_REMAP — Reserved |
| Pino 132 | PC15_REMAP — Reserved |
| Pino 133 | PI0 — General-purpose I/O PI0 |
| Pino 134 | PI1 — General-purpose I/O PI1 |
| Pino 135 | PI2 — General-purpose I/O PI2 |
| Pino 136 | PI3 — General-purpose I/O PI3 |
| Pino 137 | VSS — Ground |
| Pino 138 | VDD — Digital supply voltage |
| Pino 139 | PA8_REMAP — Reserved |
| Pino 140 | PA9_REMAP — Reserved |
| Pino 141 | PA10_REMAP — Reserved |
| Pino 142 | PA11_REMAP — Reserved |
| Pino 143 | PA12_REMAP — Reserved |
| Pino 144 | VSS — Ground (thermal pad-adjacent) |
Aplicações típicas
STM32L4R5ZIT6P é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Nodes, Wearable Health Monitors, Industrial HMI with TFT Display, Smart Meters (Electricity / Gas / Water), Asset Tracking with BLE / LoRa, Battery-Powered Data Loggers.
Battery-Powered IoT Sensor Nodes
The STM32L4R5ZIT6P's ultra-low-power Run mode (~30 uA/MHz with internal SMPS) and 2 MB dual-bank Flash make it well-matched to this format, providing full Cortex-M4F signal processing with single-digit-uA sleep modes. The Batch Acquisition ADC scans sensors without CPU wake-up, extending battery life on coin-cell or Li-SOCl2 power. Placed as the central MCU in a sensor hub with SPI/I2C peripherals and BLE/LoRa daughter modules; unlike higher-performance Cortex-M7 parts it draws 5-10x less current in active mode. Compelling as a MPU class option at the low-power extreme.
Recomendado
Wearable Health Monitors
The STM32L4R5ZIT6P's Cortex-M4F at 120 MHz delivers 273 CoreMark for real-time DSP of photoplethysmography and ECG signals while drawing under 30 uA/MHz in Run mode. This combination of DSP throughput and ultra-low-power standby makes it well-matched to continuous-monitoring wearables. Placed at the heart of a wrist or chest-worn device driving an SPI TFT and BLE radio; unlike a Cortex-M0+ it has the FPU for HRV spectral analysis in real time. Compelling for FDA-cleared Class II medical devices.
Recomendado
Industrial HMI with TFT Display
The STM32L4R5ZIT6P's Chrom-ART 2D graphics accelerator and OctoSPI interface enable 320x240 to 480x272 TFT rendering without an external graphics controller, while the 144-LQFP exposes over 100 GPIO for parallel-display and touch-sensor routing. This makes it well-matched to mid-tier industrial HMIs that need graphics but must stay within cost budgets. Placed driving a TFT with resistive or capacitive touch via SPI/I2C; unlike STM32F7 it operates from a single 1.8V-3.6V rail without external regulator switching noise. Compelling for HMI with sub-5-year battery operation.
Recomendado
Smart Meters (Electricity / Gas / Water)
The STM32L4R5ZIT6P's 12-bit 5 Msps ADC, AES-256 hardware crypto (in the L4S5 variant), and RTC with calendar capability make it well-matched to smart-meter requirements for metrology accuracy, tamper detection, and secure communication. Placed as the main MCU with the ADC sampling current/voltage through CTs or shunts; unlike Cortex-M0+ parts it has the MPU to enforce metrology/safety code separation. Compelling for utility-grade metering with 10+ year battery operation.
Recomendado
Asset Tracking with BLE / LoRa
The STM32L4R5ZIT6P's Cortex-M4F at 120 MHz, USB OTG, and 2 MB Flash support BLE 5.x or LoRaWAN stack integration with on-chip crypto acceleration. This makes it well-matched to long-life asset trackers needing local processing of GPS / accelerometer data before transmission. Placed between an L70 GPS module and an SX1276 LoRa transceiver via SPI/UART; unlike Cortex-M3 parts it has the FPU to run TinyML inference for motion classification. Compelling for logistics visibility with multi-year battery life.
Recomendado
Battery-Powered Data Loggers
The STM32L4R5ZIT6P's 2 MB dual-bank Flash, 640 KB SRAM2, and SDMMC interface for SD cards make it well-matched to multi-channel data-logging systems that need local storage and OTA-upgradeable firmware. The internal SMPS draws 30 uA/MHz, so even at 60 MHz active duty the average current stays in the low milliamp range. Placed as the central logger with SD-card storage and BLE/USB-C for retrieval; unlike Cortex-M0 parts it can compress logs on-device with the FPU. Compelling for environmental monitoring with one-year-plus battery life.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32L4R5ZIT6P — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32L4R5ZIT6 | STM32L4R5ZIY6TR | STM32L4R9ZIT6 | STM32L4S5ZIT6 | STM32U575ZIT6 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core Processor | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz - same | ARM Cortex-M4F 120 MHz - same | ARM Cortex-M4F 120 MHz - same | ARM Cortex-M4F 120 MHz - same | ARM Cortex-M33 160 MHz |
| Flash Memory | 2 MB | 2 MB - same | 2 MB - same | 2 MB - same | 2 MB - same | 2 MB - same |
| SRAM Size | 640 KB | 640 KB - same | 640 KB - same | 640 KB - same | 640 KB - same | 768 KB |
| Hardware Crypto | AES-128 (L4R5 subset) | AES-128 - same | AES-128 - same | AES-128 - same | AES-256 + PKA | AES-256 + PKA + OTFDEC |
| Graphics Accelerator | Chrom-ART 2D | Chrom-ART 2D - same | Chrom-ART 2D - same | Chrom-ART 2D + DSI TCon | Chrom-ART 2D - same | Chrom-ART 2D |
| Operating Temperature | -40C to +85C (industrial 'P') | -40C to +85C - same | -40C to +85C industrial grade | -40C to +85C | -40C to +85C | -40C to +85C / +125C |
| Approximate 1k Price (USD) | $9.30 | $9.30 - same | $9.50 | $10.50 | $11.20 | $8.80 |
Principais diferenciais
- Same package and pinout as STM32L4R5ZIT6 (no 'P' suffix) (vs STM32L4R5ZIT6)
- Industrial-grade screening with broader temperature support than STM32L4R5AGI6 (vs STM32L4R5AGI6)
- Adds AES-256 hardware crypto versus STM32L4R5ZIT6 (vs STM32L4S5ZIT6)
Notas de projeto
The STM32L4R5ZIT6P's internal SMPS step-down converter (LDO/SMPS selector pins) must be configured per datasheet RM0432 section 5.1. For battery applications below 1.8V input, configure the SMPS in bypass mode (SMPSEN tied low) and rely on the internal LDO; above 1.8V, enable the SMPS for ~30% efficiency improvement. Estimated active current at 120 MHz with SMPS enabled is approximately 8 mA (vs 11 mA with LDO). Decouple VDD/VDDA pins with 100 nF + 4.7 uF ceramic caps placed within 5 mm of each pin.
The 144-LQFP package's thermal performance is dominated by copper pour on the PCB. Estimated theta_JA on JEDEC EIA/JESD51 4-layer test board with 2 oz copper is approximately 35-40 C/W. At maximum ambient 85C and 1W internal dissipation, junction rises 35-40C - well within spec. For continuous 120 MHz operation, ensure at least 4 square cm of unbroken copper connected to the exposed thermal pad (which is internally floating on LQFP - solder to copper pour for best results).
Route USB DP/DM traces as a 90-ohm differential pair with length matching within 150 mil; keep them short (<25 mm) and isolated from switching nodes and clock traces by at least 3 mm. Place the 12 MHz HSE crystal with its load capacitors within 5 mm of OSC_IN/OSC_OUT pins, and guard the crystal traces with a ground ring to reduce EMI susceptibility. The OctoSPI/QSPI traces to external Flash should also be length-matched (within 50 mil) for reliable DDR operation at 60 MHz.
Do not assume the 'P' suffix on STM32L4R5ZIT6P is optional - it denotes a specific industrial-grade screening level; substituting with the non-'P' STM32L4R5ZIT6 in safety-critical applications may void certification. When using the SDMMC interface, ensure the bus is pulled up to VDD with 10 kohm resistors on CMD/D0-D3 lines to prevent floating state during boot. Do not leave unused GPIO as floating inputs - configure to analog mode or output-low to reduce parasitic current.
Separate analog and digital ground returns. Connect AGND and DGND at a single point near the MCU's VSSA pin to avoid ground loops in ADC measurements. Place the ADC reference-voltage decoupling capacitor (typically 100 nF + 1 uF) within 5 mm of VREF+ pin if the internal VREFBUF enabled. For best RF immunity on HSE crystal traces, surround with GND ring and avoid routing signal traces directly beneath the crystal package footprint.
Informações de conformidade
RoHS and REACH compliance per ST product page. Industrial-grade -40C to +85C operating range ('P' suffix). Not AEC-Q100 qualified - choose STM32L4R5QIY6TR or AEC-Q100-grade ST parts for automotive applications.
