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breakout.pcf
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breakout.pcf
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###############################################################################
#
# TinyFPGA BX constraint file (.pcf)
#
###############################################################################
#
# Copyright (c) 2018, Luke Valenty
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and documentation are those
# of the authors and should not be interpreted as representing official policies,
# either expressed or implied, of the <project name> project.
#
###############################################################################
####
# TinyFPGA BX information: https://github.com/tinyfpga/TinyFPGA-BX/
# This PCF is for ONIX Breakout Revision 1.5
####
# Left side of board
set_io --warn-no-port D_OUT[7] A2 # Pin 1
set_io --warn-no-port D_OUT[6] A1 # Pin 2
set_io --warn-no-port D_OUT[5] B1 # Pin 3
set_io --warn-no-port D_OUT[4] C2 # Pin 4
set_io --warn-no-port D_OUT[3] C1 # Pin 5
set_io --warn-no-port D_OUT[2] D2 # Pin 6
set_io --warn-no-port D_OUT[1] D1 # Pin 7
set_io --warn-no-port D_OUT[0] E2 # Pin 8
set_io --warn-no-port D_IN3 E1 # Pin 9
set_io --warn-no-port D_IN4 G2 # Pin 10
set_io --warn-no-port D_IN5 H1 # Pin 11
set_io --warn-no-port D_IN6 J1 # Pin 12
set_io --warn-no-port D_IN7 H2 # Pin 13
# Right side of board
set_io --warn-no-port D_IN0 H9 # Pin 14
set_io --warn-no-port D_IN1 D9 # Pin 15
set_io --warn-no-port D_IN2 D8 # Pin 16
set_io --warn-no-port LVDS_IN[1] C9 # Pin 17
set_io --warn-no-port LVDS_IN[0] A9 # Pin 18
set_io --warn-no-port LVDS_OUT[0] B8 # Pin 19
set_io --warn-no-port LVDS_OUT[1] A8 # Pin 20
set_io --warn-no-port LVDS_OUT[2] B7 # Pin 21
set_io --warn-no-port I2C_SDA A7 # Pin 22
set_io --warn-no-port I2C_SCL B6 # Pin 23
set_io --warn-no-port HARP_CLK_IN A6 # Pin 24
# 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 NEOPIX G1 # Pin 25
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 UART E8 # Pin 30
set_io --warn-no-port PIN_31 J2
# LED
set_io --warn-no-port LED B3
# USB
set_io --warn-no-port USBP B4
set_io --warn-no-port USBN A4
set_io --warn-no-port USBPU A3
# 16MHz clock
set_io --warn-no-port XTAL B2 # input
# Clock constraints
set_frequency XTAL 16
set_frequency LVDS_IN[0] 10
set_frequency sys_clk 60
set_frequency LVDS_OUT[0] 12