2016-07-20 08:59:39 +08:00

172 lines
4.8 KiB
Python
Executable File

##
## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2014 Uwe Hermann <uwe@hermann-uwe.de>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
#
# Chip specific properties:
#
# - vendor: chip manufacturer
# - model: chip model
# - size: total EEPROM size (in number of bytes)
# - page_size: page size (in number of bytes)
# - page_wraparound: Whether writes wrap-around at page boundaries
# - addr_bytes: number of EEPROM address bytes used
# - addr_pins: number of address pins (A0/A1/A2) on this chip
# - max_speed: max. supported I²C speed (in kHz)
#
chips = {
# Generic chip (128 bytes, 8 bytes page size)
'generic': {
'vendor': '',
'model': 'Generic',
'size': 128,
'page_size': 8,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 3,
'max_speed': 400,
},
# Microchip
'microchip_24aa65': {
'vendor': 'Microchip',
'model': '24AA65',
'size': 8 * 1024,
'page_size': 64, # Actually 8, but there are 8 pages of "input cache"
'page_wraparound': True,
'addr_bytes': 2,
'addr_pins': 3,
'max_speed': 400,
},
'microchip_24lc65': {
'vendor': 'Microchip',
'model': '24LC65',
'size': 8 * 1024,
'page_size': 64, # Actually 8, but there are 8 pages of "input cache"
'page_wraparound': True,
'addr_bytes': 2,
'addr_pins': 3,
'max_speed': 400,
},
'microchip_24c65': {
'vendor': 'Microchip',
'model': '24C65',
'size': 8 * 1024,
'page_size': 64, # Actually 8, but there are 8 pages of "input cache"
'page_wraparound': True,
'addr_bytes': 2,
'addr_pins': 3,
'max_speed': 400,
},
'microchip_24aa64': {
'vendor': 'Microchip',
'model': '24AA64',
'size': 8 * 1024,
'page_size': 32,
'page_wraparound': True,
'addr_bytes': 2,
'addr_pins': 3,
'max_speed': 400, # 100 for VCC < 2.5V
},
'microchip_24lc64': {
'vendor': 'Microchip',
'model': '24LC64',
'size': 8 * 1024,
'page_size': 32,
'page_wraparound': True,
'addr_bytes': 2,
'addr_pins': 3,
'max_speed': 400,
},
'microchip_24aa02uid': {
'vendor': 'Microchip',
'model': '24AA02UID',
'size': 256,
'page_size': 8,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 0, # Pins A0, A1, A2 not used
'max_speed': 400,
},
'microchip_24aa025uid': {
'vendor': 'Microchip',
'model': '24AA025UID',
'size': 256,
'page_size': 16,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 3,
'max_speed': 400,
},
'microchip_24aa025uid_sot23': {
'vendor': 'Microchip',
'model': '24AA025UID (SOT-23)',
'size': 256,
'page_size': 16,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 2, # SOT-23 package: A2 not available
'max_speed': 400,
},
# Siemens
'siemens_slx_24c01': {
'vendor': 'Siemens',
'model': 'SLx 24C01',
'size': 128,
'page_size': 8,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 0, # Pins A0, A1, A2 are not connected (NC)
'max_speed': 400,
},
'siemens_slx_24c02': {
'vendor': 'Siemens',
'model': 'SLx 24C02',
'size': 256,
'page_size': 8,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 0, # Pins A0, A1, A2 are not connected (NC)
'max_speed': 400,
},
# ST
'st_m24c01': {
'vendor': 'ST',
'model': 'M24C01',
'size': 128,
'page_size': 16,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 3, # Called E0, E1, E2 on this chip.
'max_speed': 400,
},
'st_m24c02': {
'vendor': 'ST',
'model': 'M24C02',
'size': 256,
'page_size': 16,
'page_wraparound': True,
'addr_bytes': 1,
'addr_pins': 3, # Called E0, E1, E2 on this chip.
'max_speed': 400,
},
}