好多IC都缺貨嚴重. 我想訂塊72Mb Sync SRAM, Digi-key及Mouser都無貨.
STM32的主要對手唔係AVR, market segment唔係好overlap. 而果唔係ST Micro唔洗出STM8打AVR. 另外, STM32早期既穩定性差劣, 過左好多過Silicon revision先有改善. 再者, ST Micro既wafer出名唔係好得, 有朋友用佢既Mobile IC, 發生莫名其妙既流電情況, 同一批次既情況都唔同.
By the way, AVR易用過STM32(or other Cortex-M3 implementation)好多. |