juanmard/icestudio

# -----------------------------------------------------------------------------
#- TinyFPGA BX constraint file (.pcf)
#- By Luke Valenty
#- May - 2018
#- GPLv3 license
#- Board information: https://github.com/tinyfpga/TinyFPGA-BX/
# -----------------------------------------------------------------------------


# --- LED pin on bottom of board ----------------------------------------------
set_io --warn-no-port LED B3


# --- 16MHz clock pin on bottom of board --------------------------------------
set_io --warn-no-port CLK B2


# --- Left side of board ------------------------------------------------------
set_io --warn-no-port PIN_1  A2
set_io --warn-no-port PIN_2  A1
set_io --warn-no-port PIN_3  B1
set_io --warn-no-port PIN_4  C2
set_io --warn-no-port PIN_5  C1
set_io --warn-no-port PIN_6  D2
set_io --warn-no-port PIN_7  D1
set_io --warn-no-port PIN_8  E2
set_io --warn-no-port PIN_9  E1
set_io --warn-no-port PIN_10 G2
set_io --warn-no-port PIN_11 H1
set_io --warn-no-port PIN_12 J1
set_io --warn-no-port PIN_13 H2


# --- Right side of board -----------------------------------------------------
set_io --warn-no-port PIN_14 H9
set_io --warn-no-port PIN_15 D9
set_io --warn-no-port PIN_16 D8
set_io --warn-no-port PIN_17 C9
set_io --warn-no-port PIN_18 A9
set_io --warn-no-port PIN_19 B8
set_io --warn-no-port PIN_20 A8
set_io --warn-no-port PIN_21 B7
set_io --warn-no-port PIN_22 A7
set_io --warn-no-port PIN_23 B6
set_io --warn-no-port PIN_24 A6


# --- SPI flash interface on bottom of board ----------------------------------
set_io --warn-no-port SPI_SS  F7
set_io --warn-no-port SPI_SCK G7
set_io --warn-no-port SPI_IO0 G6
set_io --warn-no-port SPI_IO1 H7
set_io --warn-no-port SPI_IO2 H4
set_io --warn-no-port SPI_IO3 J8


# --- General purpose pins on bottom of board ---------------------------------
set_io --warn-no-port PIN_25 G1
set_io --warn-no-port PIN_26 J3
set_io --warn-no-port PIN_27 J4
set_io --warn-no-port PIN_28 G9
set_io --warn-no-port PIN_29 J9
set_io --warn-no-port PIN_30 E8
set_io --warn-no-port PIN_31 J2


# --- USB pins on bottom of board ---------------------------------------------
set_io --warn-no-port USBP  B4
set_io --warn-no-port USBN  A4
set_io --warn-no-port USBPU A3