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CC2564MODAEM: Layer Module CC2564 and STM32F4 Discovery connect with CC2564MODAEM errors ?

Part Number: CC2564MODAEM
Other Parts Discussed in Thread: CC2564

Tôi có làm lại mạch CC2564MODAEM
when connect STM32F4 with CC2564 via UART 3:
CTS <-> D11
TX <-> D8
RX <-> D9
RTS <-> D12
nSHUTD <-> PE14
and connect the UART console via UART 2 with the PL2102
PA2 <-> RX of PL2102
PA3 <-> TX of PL2102
When I run the example of SPPDEMO when pressing the RESET button on STM32, the uart_console screen displays:

OpenStack ().

Stack Init Failed: -4.

Unable to open the stack.

I think my connections are correct? what is my problem?