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add I/O standard definitions to mibuild/altera

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Alain Péteut 2015-04-20 10:08:47 +02:00 committed by Florent Kermarrec
parent 1b050d98ea
commit a889b41060
1 changed files with 91 additions and 0 deletions
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mibuild/altera/_iostd.py Normal file
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'''ALTERA I/O-Standards
'''
import collections
from mibuild.generic_platform import IOStandard
__all__ = ['IOSTD']
_LVTTL = collections.namedtuple(
'V',
'level1V8 level2V5 level3V0 level3V3')(
IOStandard('1.8-V'),
IOStandard('2.5-V'),
IOStandard('3.0-V LVTTL'),
IOStandard('3.3-V LVTTL'))
_LVCMOS = collections.namedtuple(
'V',
'level1V2 level1V5 level1V8 level2V5 level3V0 level3V3')(
IOStandard('1.3 V'),
IOStandard('1.5 V'),
IOStandard('1.8 V'),
IOStandard('2.5 V'),
IOStandard('3.0-V LVCMOS'),
IOStandard('3.3-V LVCMOS'))
_SSTL = collections.namedtuple(
'V',
'level1V5ClassI level1V5ClassII '
'level1V8ClassI level1V8ClassII '
'level2V0ClassI level2V0ClassII')(
IOStandard('SSTL-15 Class I'),
IOStandard('SSTL-15 Class II'),
IOStandard('SSTL-18 Class I'),
IOStandard('SSTL-18 Class II'),
IOStandard('SSTL-2 Class I'),
IOStandard('SSTL-2 Class II'))
_HSTL = collections.namedtuple(
'V',
'level1V2ClassI level1V2ClassII level1V5ClassI level1V5ClassII '
'level1V8ClassI level1V8ClassII')(
IOStandard('1.2-V HSTL Class I'),
IOStandard('1.2-V HSTL Class II'),
IOStandard('HSTL Class I'),
IOStandard('HSTL Class II'),
IOStandard('1.8-V HSTL Class I'),
IOStandard('1.8-V HSTL Class II'))
_DiffSSTL = collections.namedtuple(
'V',
'level1V5 level1V8 level2V0')(
IOStandard('Differential 1.5-V SSTL'),
IOStandard('Differential 1.8-V SSTL'),
IOStandard('Differential SSTL-2'))
_DiffHSTL = collections.namedtuple(
'V',
'level1V2 level1V5 level1V8')(
IOStandard('Differential 1.2-V HSTL'),
IOStandard('Differential 1.5-V HSTL'),
IOStandard('Differential 1.8-V HSTL'))
_PCML = collections.namedtuple(
'V',
'level1V2 level1V4 level1V5 level2V5')(
IOStandard('1.2-V PCML'),
IOStandard('1.4-V PCML'),
IOStandard('1.5-V PCML'),
IOStandard('2.5-V PCML'))
IOSTD = collections.namedtuple(
'CONST',
'LVTTL LVCMOS PCI PCIX SSTL HSTL DiffSSTL DiffHSTL '
'LVDS RSDS miniLVDS LVPECL DiffLVPECL BLVDS PCML DiffPCML HCSL')(
_LVTTL,
_LVCMOS,
IOStandard('3.0-V PCI'),
IOStandard('3.0-V PCI-X'),
_SSTL,
_HSTL,
_DiffSSTL,
_DiffHSTL,
IOStandard('LVDS'),
IOStandard('RSDS'),
IOStandard('mini-LVDS'),
IOStandard('LVPECL'),
IOStandard('Differential LVPECL'),
IOStandard('BLVDS'),
_PCML,
IOStandard('Differential PCML'),
IOStandard('HCSL'))