Zeus expansion interface

Zeus expansion interface

The Zeus board have a 2 x 12 expansion pin header with 2.54 mm between the pins. This expansion connector is also available on the CAN4VSCP Odessa module and will be available on other modules also in the future.

For power, the board supply Vin (9V-28V) and +3.3V and ground. All boards using it should use 3.3V logic signals. It has a SPI or I2C interface, TTL level serial interface, Five analog channels, five I/O lines, Reset and two interrupt inputs.

Pin	Description
1	Ground
2	Ground
3	TX, Serial output from processor.
4	RX, Serial input to processor.
5	SCK - SPI or I2C clock
6	MISO - SPI data in to processor or I²C data (SDA).
7	MOSI - SPI data our from processor.
8	AN0 - Analog input 0
9	AN1 - Analog input 1
10	AN2 - Analog input 2
11	AN3 - Analog input 3
12	AN4 - Analog input 4
13	I/O 0 - Input/Output 0
14	RESET
15	I/O 2 - Input/Output 2
16	I/O 1 - Input/Output 1
17	INT1 - Interrupt 1 (low flank)
18	INT0 - Interrupt 0 (low flank)
19	I/O 4 - Input/Output 4
20	I/O 3 - Input/Output 3
21	Vin - +9V - +28V
22	Vin - +9V - +28V
23	+3.3V
24	+3.3V