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