AIRcable - Long Range Bluetooth Devices

AIRcable OEM Pin Layout

OEM Pin Layout

1	PIO(0)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
2	PIO(1)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
3	PIO(2)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
4	PIO(3)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
5	PIO(4)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
6	PIO(5)	I/O	3.3V TTL	general purpose input or output pin defined by the BASIC program
7	SCL	O	3.3V TTL	I2C bus clock, do not use
8	SDA	I/O	3.3V TTL	I2C bus clock, do not use
9	USB_DN	I/O		USB data, do not use
10	USB_DP	I/O		USB data, do not use
11	PCM_CLK	O	3.3V TTL	Audio PCM clock, do not use
12	PCM_IN	I	3.3V TTL	Audio PCM input, do not use
13	PCM_SYNC	O	3.3V TTL	Audio PCM sync, do not use
14	PCM_OUT	O	3.3V TTL	Audio PCM output, do not use
15	VIN	I	Supply	Module Power Supply, 3.3-16V unregulated
16	NC
17	GND	I	Supply	Module Power Supply GND
18	3V3	O	Supply	Output of 3.3V from the LDO regulator may be used as regulated power supply input instead of VIN
19	NC
20	BAT_PLUS	O	Supply	Backup battery plus pole for the real time clock
21	NC
22	RX	I	3.3V TTL	Uart, async serial input
23	RTS	O	3.3V TTL	Uart, Request To Send, hardware handshake
24	TX	O	3.3V TTL	Uart, async serial output
25	CTS	I	3.3V TTL	Uart, Clear to Send, hardware handshake if not used, keep unconnected to tie to GND
26	SPI_MOSI	O	1.8V TTL	SPI firmware programming interface, do not use
27	SPI_CLK	I	1.8V TTL	SPI firmware programming interface, do not use
28	SPI_CSB	I	1.8V TTL	SPI firmware programming interface, do not use
29	SPI_MISO	I	1.8V TTL	SPI firmware programming interface, do not use
30	SPI_RESET	I	1.8V TTL	Reset input, active high, do not use
31	AIO(1)	I	1.8V analog	analog input for ADC 1 (depending on firmware release)
32	AIO(0)	I	3.3V analog	analog input for ADC 0