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

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{{AppliesToNaon}}
 
{{AppliesToDido}}
 
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Four I2C busses are available. Following table summarizes how they are organized.
 
Four I2C busses are available. Following table summarizes how they are organized.
 
{| class="wikitable" 
 
!
 
!
 
!
 
!
 
!colspan="4" | Connected Slave Devices
 
!
 
|-
 
|
 
|
 
|
 
|
 
|
 
|
 
|colspan="2" align="center" | '''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
 
| -
 
| -
 
|
 
|- style="background-color:#C0C0C0"
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
| 1 (HDMI)
 
| SDA
 
| AG24
 
| 10 kOhm
 
|
 
|
 
|
 
|
 
|
 
|-
 
|
 
| SCL
 
| AF24
 
| 10 kOhm
 
|
 
|
 
|
 
|
 
|
 
|- style="background-color:#C0C0C0"
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
| 2
 
| SDA
 
| AG28
 
| -
 
|
 
|
 
|
 
|
 
|
 
|-
 
|
 
| SCL
 
| AF27
 
| -
 
|
 
|
 
|
 
|
 
|
 
|- style="background-color:#C0C0C0"
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
| 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
 
|
 
|-
 
|}
 

Revision as of 15:44, 15 May 2012

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