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| 1 | +############################################################################### |
| 2 | +# |
| 3 | +# TinyFPGA BX constraint file (.pcf) |
| 4 | +# |
| 5 | +############################################################################### |
| 6 | +# |
| 7 | +# Copyright (c) 2018, Luke Valenty |
| 8 | +# All rights reserved. |
| 9 | +# |
| 10 | +# Redistribution and use in source and binary forms, with or without |
| 11 | +# modification, are permitted provided that the following conditions are met: |
| 12 | +# |
| 13 | +# 1. Redistributions of source code must retain the above copyright notice, this |
| 14 | +# list of conditions and the following disclaimer. |
| 15 | +# 2. Redistributions in binary form must reproduce the above copyright notice, |
| 16 | +# this list of conditions and the following disclaimer in the documentation |
| 17 | +# and/or other materials provided with the distribution. |
| 18 | +# |
| 19 | +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 20 | +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 21 | +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 22 | +# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| 23 | +# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 24 | +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 25 | +# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 26 | +# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 | +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 28 | +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 | +# |
| 30 | +# The views and conclusions contained in the software and documentation are those |
| 31 | +# of the authors and should not be interpreted as representing official policies, |
| 32 | +# either expressed or implied, of the <project name> project. |
| 33 | +# |
| 34 | +############################################################################### |
| 35 | + |
| 36 | +#### |
| 37 | +# TinyFPGA BX information: https://github.com/tinyfpga/TinyFPGA-BX/ |
| 38 | +#### |
| 39 | + |
| 40 | +# Left side of board |
| 41 | +set_io --warn-no-port PIN_1 A2 |
| 42 | +set_io --warn-no-port PIN_2 A1 |
| 43 | +set_io --warn-no-port PIN_3 B1 |
| 44 | +set_io --warn-no-port PIN_4 C2 |
| 45 | +set_io --warn-no-port PIN_5 C1 |
| 46 | +set_io --warn-no-port PIN_6 D2 |
| 47 | +set_io --warn-no-port PIN_7 D1 |
| 48 | +set_io --warn-no-port PIN_8 E2 |
| 49 | +set_io --warn-no-port PIN_9 E1 |
| 50 | +set_io --warn-no-port PIN_10 G2 |
| 51 | +set_io --warn-no-port PIN_11 H1 |
| 52 | +set_io --warn-no-port PIN_12 J1 |
| 53 | +set_io --warn-no-port PIN_13 H2 |
| 54 | + |
| 55 | +# Right side of board |
| 56 | +set_io --warn-no-port PIN_14 H9 |
| 57 | +set_io --warn-no-port PIN_15 D9 |
| 58 | +set_io --warn-no-port PIN_16 D8 |
| 59 | +set_io --warn-no-port PIN_17 C9 |
| 60 | +set_io --warn-no-port PIN_18 A9 |
| 61 | +set_io --warn-no-port PIN_19 B8 |
| 62 | +set_io --warn-no-port PIN_20 A8 |
| 63 | +set_io --warn-no-port PIN_21 B7 |
| 64 | +set_io --warn-no-port PIN_22 A7 |
| 65 | +set_io --warn-no-port PIN_23 B6 |
| 66 | +set_io --warn-no-port PIN_24 A6 |
| 67 | + |
| 68 | +# SPI flash interface on bottom of board |
| 69 | +set_io --warn-no-port SPI_SS F7 |
| 70 | +set_io --warn-no-port SPI_SCK G7 |
| 71 | +set_io --warn-no-port SPI_IO0 G6 |
| 72 | +set_io --warn-no-port SPI_IO1 H7 |
| 73 | +set_io --warn-no-port SPI_IO2 H4 |
| 74 | +set_io --warn-no-port SPI_IO3 J8 |
| 75 | + |
| 76 | +# General purpose pins on bottom of board |
| 77 | +set_io --warn-no-port PIN_25 G1 |
| 78 | +set_io --warn-no-port PIN_26 J3 |
| 79 | +set_io --warn-no-port PIN_27 J4 |
| 80 | +set_io --warn-no-port PIN_28 G9 |
| 81 | +set_io --warn-no-port PIN_29 J9 |
| 82 | +set_io --warn-no-port PIN_30 E8 |
| 83 | +set_io --warn-no-port PIN_31 J2 |
| 84 | + |
| 85 | +# LED |
| 86 | +set_io --warn-no-port LED B3 |
| 87 | + |
| 88 | +# USB |
| 89 | +set_io --warn-no-port USBP B4 |
| 90 | +set_io --warn-no-port USBN A4 |
| 91 | +set_io --warn-no-port USBPU A3 |
| 92 | + |
| 93 | +# 16MHz clock |
| 94 | +set_io --warn-no-port CLK B2 # input |
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