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- 2020-9-1
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发表于 2016-1-19 12:00:26
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1、 晒出使用过的STM32开发板图片; 2、 说明该STM32产品型号,列举其一项或者多项特性,同时附件上传一篇该型号产品的资料。 stm32L476RG. Key Features- Ultra-low-power with FlexPowerControl
- 1.71 V to 3.6 V power supply
- -40 °C to 85/105/125 °C temperature range
- 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
- 30 nA Shutdown mode (5 wakeup pins)
- 120 nA Standby mode (5 wakeup pins)
- 420 nA Standby mode with RTC
- 1.1 μA Stop 2 mode, 1.4 μA Stop 2 with RTC
- 100 μA/MHz run mode
- Batch acquisition mode (BAM)
- 4 μs wakeup from Stop mode
- Brown out reset (BOR) in all modes except shutdown
- Interconnect matrix
- Core: ARM® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions
- Clock Sources
- 4 to 48 MHz crystal oscillator
- 32 kHz crystal oscillator for RTC (LSE)
- Internal 16 MHz factory-trimmed RC (±1%)
- Internal low-power 32 kHz RC (±5%)
- Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy)
- 3 PLLs for system clock, USB, audio, ADC
- RTC with HW calendar, alarms and calibration
- LCD 8 × 40 or 4 × 44 with step-up converter
- Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
- 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
- Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
- Memories
- Up to 1 MB Flash, 2 banks read-while-write, proprietary code readout protection
- Up to 128 KB of SRAM including 32 KB with hardware parity check
- External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories
- Quad SPI memory interface
- 4x digital filters for sigma delta modulator
- Rich analog peripherals (independent supply)
- 3× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
- 2x 12-bit DAC, low-power sample and hold
- 2x operational amplifiers with built-in PGA
- 2x ultra-low-power comparators
- 18x communication interfaces
- USB OTG 2.0 full-speed, LPM and BCD
- 2x SAIs (serial audio interface)
- 3x I2C FM+(1 Mbit/s), SMBus/PMBus
- 6x USARTs (ISO 7816, LIN, IrDA, modem)
- 3x SPIs (4x SPIs with the Quad SPI)
- CAN (2.0B Active) and SDMMC interface
- SWPMI single wire protocol master I/F
- 14-channel DMA controller
- True random number generator
- CRC calculation unit, 96-bit unique ID
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
STM32L476xx.pdf
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