Four I2C busses are available. Following table summarizes how they are organized.
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Connected Slave Devices
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IRQ
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| I2C bus #
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Signals
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Processor pads
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Pull-up on board
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p/n
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address (7 bit)
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Processor connection
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Polarity
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Notes
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| 0
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SDA
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AB6
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2.2 kOhm
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PMIC PTPS659113A
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0101101
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GPO_16 (ball G6)
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programmable
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SCL
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AC4
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2.2 kOhm
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HDVICP power supply TPS62353
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1001000
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-
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-
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| 1 (HDMI)
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SDA
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AG24
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10 kOhm
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SCL
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AF24
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10 kOhm
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| 2
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SDA
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AG28
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-
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SCL
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AF27
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-
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| 3
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SDA
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AA24
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10 kOhm
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EEPROM 24LC32A
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1010001
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-
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-
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A1 and A0 bits of address can be configured at carrier board level
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SCL
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AH26
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10 kOhm
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Keypad controller MAX7359ETG+
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0111000
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GP0_21 (ball K7)
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active low
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Touch screen controller TSC2003
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1001000
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GP0_22 (ball H3)
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active low
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