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STM32L4 series of ultra-low-power MCUs
STM32L476/486 devices extend the ultra-low-power portfolio and performance with an ARM® Cortex®-M4 core with DSP and floating-point unit (FPU) at 80 MHz. This series offers USB (OTG 2.0 full speed, LPM and BCD support), an LCD driver (4x44 or 8x40 with step-up converter) in addition to the large set of peripherals.
The STM32L476/486 portfolio offers from 256 Kbytes to 1 Mbyte of Flash and from 64- to 144-pin packages. Its memory range can easily be extended using SDIO, Quad SPI and FSMC interfaces.
128-/256-bit AES hardware encryption is available on STM32L486 devices.
| Part Number | Package | Marketing Status | Operating Frequency(F) (Processor speed) | FLASH Size (Prog) | Internal RAM Size | Data E2PROM nom (B) | 16-bit timers (IC/OC/PWM) | 32-bit timer (IC/OC/PWM) | Other timer functions | A/D Converter | D/A Converter | Comparator | Serial Interface | Supply Voltage(Vcc) min (V) | Supply Voltage(Vcc) max (V) | Supply Current(Icc) (Lowest power mode) typ (µA) | Supply Current(Icc) (Run mode (per Mhz)) typ (µA) | Display controller | Touch sensing FW library |
| STM32L476QE | UFBGA 7X7X0.6 132L P 0.5 R 12X12 | Preview | 80 | 512 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | 1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L476QG | UFBGA 7X7X0.6 132L P 0.5 R 12X12 | Preview | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | 1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L476RE | LQFP 64 10x10x1.4 | Evaluation | 80 | 512 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x32/8x28 | - |
| STM32L476RG | LQFP 64 10x10x1.4 | Active | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x32/8x28 | - |
| STM32L476VE | LQFP 100 14x14x1.4 | Evaluation | 80 | 512 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L476VG | LQFP 100 14x14x1.4 | Evaluation | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L476ZE | LQFP 144 20x20x1.4 | Preview | 80 | 512 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L476ZG | LQFP 144 20x20x1.4 | Evaluation | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit (24 channels) | 2x12-bit | - | 1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L486QG | UFBGA 7X7X0.6 132L P 0.5 R 12X12 | Preview | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L486RG | LQFP 64 10x10x1.4 | Evaluation | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x32/8x28 | - |
| STM32L486VG | LQFP 100 14x14x1.4 | Active | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
| STM32L486ZG | LQFP 144 20x20x1.4 | Evaluation | 80 | 1024 | 128 | - | 11x16-bit | 2 | 2xWDG;RTC;SysTick | 3x12-bit | 2x12-bit | - | ;1 x CAN;1 x USB;2 x SAI;3 x I2C;3 x SPI | 1.71 | 3.6 | 0.03 | 100 | LCD 4x44/8x40 | - |
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