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STM32L4 数据表(PDF) 27 Page - STMicroelectronics

部件名 STM32L4
功能描述  This module presentation presents the key differences between the STM32L4 and the STM32L476/L486 devices.
PDF  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32L4 数据表(HTML) 27 Page - STMicroelectronics

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STM32L476/486 Versus STM32L4+ Series 26
STM32L4Rxxx/4Sxxx
STM32L4P5xx/4Q5xx
STM32L476/486
Power supply
1.71 ~ 3.6V with VBAT
1.71 ~ 3.6V with VBAT
Maximum Frequency
120MHz
80MHz
Flash
Up to 2MB
Up to 1MB
1MB
Dual Bank (RWW)
or Single Bank
Dual Bank ( RWW)
System
SRAM1: 192KB
SRAM1: 128KB
SRAM1: 96KB
SRAM2: 64KB
SRAM2: 32KB
SRAM3: 384KB
SRAM3: 128KB
NA
Backup-registers 32 x32-bit
External Memory FSMC
8-,16-bit NOR, PSRAM, SRAM , FRAM and NAND memories
• New data hold timing
• New NBL setup timing
• Clock divider =1
8-,16-bit NOR, PSRAM, SRAM and NAND
memories
External Memory
QuadSPI/OctoSPI
2x OctoSPI: Octal flash memories
2x OctoSPI: Octal flash + Octal
PSRAM + HyperRAM memories
Multiplexed mode
1x QuadSPI in single Flash mode
RCC
New clock source HSI48 for USB,RNG and SDMMC
New PLLx divider,
RTC APB clock gating
NA
This table summarizes the key differences for system
peripherals between the STM32L4+ series and
STM32L476/786 devices.
26



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