Difference between revisions of "I2C busses and peripherals (Naon)"

Revision as of 14:22, 16 May 2012

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Info Box

Applies to Naon

Four I2C busses are available. Following table summarizes how they are organized.

				Connected Slave Devices
						IRQ
I2C bus #	Signals	Processor pads	Pull-up on board	p/n	address (7 bit)	Processor connection	Polarity	Notes
0	SDA	AB6	2.2 kOhm	PMIC PTPS659113A	0101101	GPO_16 (ball G6)	programmable
	SCL	AC4	2.2 kOhm	HDVICP power supply TPS62353	1001000	-	-

1 (HDMI)	SDA	AG24	10 kOhm
	SCL	AF24	10 kOhm

2	SDA	AG28	-
	SCL	AF27	-

3	SDA	AA24	10 kOhm	EEPROM 24LC32A	1010001	-	-	A1 and A0 bits of address can be configured at carrier board level
	SCL	AH26	10 kOhm	Keypad controller MAX7359ETG+	0111000	GP0_21 (ball K7)	active low
				Touch screen controller TSC2003	1001000	GP0_22 (ball H3)	active low

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