videre 发表于 2014-3-24 11:12 ![]()
SRAM增大？选型表里，带-A和不带的都是一样的容量
表格里数据有误
分别点开两个型号的网页（STM32L151C6 Vs STM32L151C6A），看它的描述有详细信息：
STM32L151C6Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, USB
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The ultralow power STM32L15xxx incorporates the connectivity power of the universal serial bus (USB) with the high-performance ARM Cortex-M3 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 16 Kbytes) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.
STM32L151C6-AUltra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, USB
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The Ultra-low-power STM32L15xx6/8/B-A incorporates the connectivity power of the universal serial bus (USB) with the high-performance ARM®Cortex®-M3 32-bit RISC core operating at a 32 MHz frequency, a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 128 Kbytes and RAM up to 32 Kbytes) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.
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