PJDK71351-03
MK71351
12/24
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Operation Mode
MK71351 has the following operation modes.
Operation mode
General description
HCI mode
The standard operation mode of
Bluetooth
®
.
HCI mode conducts communication between
MK71351 and the host MCU through the UART
interface.
User-App mode
This is the Application mode which downloads
the program code to the built-in SRAM.
It is possible to operate this mode alone without
the external host MCU.
MK71351 chooses the operation mode during the Boot process at the start. Refer to the state of pins indicated below when
choosing the operation mode.
Operation mode
Pin status
Note
GPIO1
HCI mode
Low input
User-App mode
OPEN
