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CC2640R2F: 外设模式,按照开发板的设计,只是取消了外部低频晶振,手机能收到广播,但是连接不上,我已经取消了省电模式xPOWER_SAVING,为什么呢?

Part Number: CC2640R2F

GATT通信,在取消省电模式的情况下,为什么取消外部低频晶振会导致手机连接不上(接上外部低频晶振手机就能连接上)?由于我的应用也不需要 低功耗,只要能通信就行,如果取消这个外部低频晶振呢?