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42 lines
867 B
Plaintext
42 lines
867 B
Plaintext
COMPANY ID LIST
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Many SMBus chips have a company ID at location 0x3E or 0xFE.
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Here is a partial list.
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This may help identify a chip after doing a 'i2cdump [bus] [address]'.
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0x01 National Semiconductor
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0x12C3 Asus (at 0x4F)
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0x1934 Fintek (at 0x5D-0x5E)
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0x23 Analog Devices (old products) or Fintek
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0x41 Analog Devices (new products)
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0x49 TI
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0x4D Maxim
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0x54 On Semi
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0x5C SMSC
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0x5D SMSC
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0x55 SMSC
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0x5CA3 Winbond (at 0x4F)
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0x61 Andigilog
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0x90 ITE (at 0x58)
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0xA1 Philips
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0xA3 Winbond (at 0x4F)
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0xC3 Asus (at 0x4F)
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0xDA Dallas
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[A-Z]{3} at 0x00-0x02: Fujitsu-Siemens
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Jedec JC 42.4 compliant temperature sensors provide the manufacturer ID
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in 16-bit register 0x06. Known manufacturer IDs are as follows.
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0x001F Atmel
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0x004D Maxim
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0x0054 Microchip
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0x00B3 IDT
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0x104A ST Microelectronics
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0x1131 NXP (Philips)
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0x11D4 Analog Devices
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0x1B09 ON Semiconductor
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