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1. Preference
- Windows10
- PSoc Creator 4.1 ~ 4.2
- MCU : CY8C4247LQI-BL473, CY8C4248LQI-BL583 (CY8CKit-042-BLE-A Pioneer board)
( Selected correctly in Device Selector depending on MCU at PSoc Creator)
- Example Source : BLE_FindMe (PSoc Example source)
- bluetooth Android APP : CySmart
2. Problem : "CY8C4247LQI-BL473" board Bluetooth not working ( I make pcb board for PSoc4 MCU -> CY8C4247LQI-BL473 assembled )
- "CY8C4248LQI-BL583" bluetooth working good (CY8CKit-143A Board)
3. PCB Bluetooth antenna test : Bluetooth antenna works well
4. Schematic
5. "CY8C4247LQI-BL473" board's function working well except bluetooth (IO, Timer, UART, Input Interrupt )
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thanks
Solved! Go to Solution.
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I found the problem.
the problem is resonator ( CSTCW24M0X53-R0 )
i change the resonator (CSTCW24M0X53-R0) to Crystal ( CY8CKit-143A Board's 24MHz Crystal)
Result : bluetooth working
I don't know the difference between crystal and resonator.
Can I use a resonator in PSoc4?
Datasheet
Resonator : CSTCW24M0X53-R0 --> CSTCW24M0X53-R0|Ceramic Resonators (CERALOCK®)|Timing Devices|Murata Manufacturing Co., Ltd.
Crystal : ECS-240-8-36CKM-TR --> http://www.mouser.com/ds/2/122/ECX-2236-15751.pdf