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銆�銆�涓婚牷锛�78 MHz
銆�銆�闁冨瓨锛�256 KB
銆�銆�RAM锛�32 KB
銆�銆�宸ヤ綔闆诲锛�1.7-3.8 V
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EFR32BG1B222F256GM40
銆�銆�EFR32BG1B222F256GM43
銆�銆�EFR32BG1B222F256GM44
