Off-board connectivity

Our FPGA platform offers off-board connectivity to allow the user to extend the design with his own sensors’ boards.

The available external interfaces are:

• SPI

• I2C

• GPIO[31:2]

• reset

The connections are detailed in the following table:

X-HEEP pin	Zynq-7020 pin	Pynq-Z2
rst_i	L19	BTN3
rst_led	M14	LED3
spi2_sck_io	T14	AR0
spi2_cs_0_io	U12	AR1
spi2_cs_1_io	U13	AR2
spi2_sd_0_io	V13	AR3
spi2_sd_1_io	V15	AR4
spi2_sd_2_io	T15	AR5
spi2_sd_3_io	R16	AR6
i2c_scl_io	P15	SCL
i2c_sda_io	P16	SDA
gpio_io[2]	V6	RP7
gpio_io[3]	U7	RP11
gpio_io[4]	V7	RP13
gpio_io[5]	U8	RP15
gpio_io[6]	V8	RP19
gpio_io[7]	V10	RP21
gpio_io[8]	W10	RP23
gpio_io[9]	Y16	RP27
gpio_io[10]	Y6	RP29
gpio_io[11]	Y7	RP31
gpio_io[12]	W8	RP33
gpio_io[13]	Y8	RP35
gpio_io[14]	W9	RP37
gpio_io[15]	Y18	RP8
gpio_io[16]	Y19	RP10
gpio_io[17]	C20	RP12
gpio_io[18]	W6	RP16
gpio_io[19]	U18	RP18
gpio_io[20]	M15	LED5 Red
gpio_io[21]	G14	LED5 Blue
gpio_io[22]	L14	LED5 Green
gpio_io[23]	N15	LED4 Red
gpio_io[24]	L15	LED4 Blue
gpio_io[25]	G17	LED4 Green
gpio_io[26]	R14	LED0
gpio_io[27]	P14	LED1
gpio_io[28]	N16	LED2
gpio_io[29]	D19	BTN0
gpio_io[30]	D20	BTN1
gpio_io[31]	L20	BTN2