Initial Pin State of LinkIt 7697

The table below shows the HIGH/LOW state of each pin in LinkIt 7697, along with the reason why.

• Pin #: Pin number of the onboard silk print.

• GPIO #: GPIO number on the pin-out diagram and datasheet.

• Resetting: pin state when pressing the RST key of LinkIt 7697.

• Bootloader default: pin state after bootup and before Arduino APIs altering the pin mode and state.

Pin #	GPIO #	Resetting	Bootloader deafult	Note
P0	2	H	H	During resetting, this pin is pulled-up by the CP2102N chipset. After rebooting, the bootloader configures it in UART mode and hence the HIGH state.
P1	3	L	H	After rebooting, the bootloader configures it in UART mode and hence the HIGH state.
P2	0	L	L*	*After updating the bootloder in Arduino BSP version v0.8.1
P3	39	L	L
P4	34	H	L	During resetting, this is the default behavior of the RTL design of the chipset.
P5	33	H	L	During resetting, this is the default behavior of the RTL design of the chipset.
P6	37	L	H	After bootup: bootloader configured this pin as UART_TX and now changed to GPIO after the current commit.
P7	36	L	L
P8	27	H	H	Onboard I2C pull-up circuit
P9	28	H	H	Onboard I2C pull-up circuit
P10	32	L	L
P11	29	L	L
P12	30	L	L
P13	31	L	L
P14	57	L	L
P15	58	L	L
P16	59	L	L
P17	60	L	L