Skip to main content

Changes to Step #11

Edit by Walter Galan

Edit approved by Walter Galan

Deleted
Added
Unchanged

Step Lines

[* black] With a bit of patient spudgering, the boards are disengaged—leaving the motherboard stripped and primed for some primo IC analysis:
[* red] MAX77836—likely micro-USB interface controller and Li+ battery chargerMaxim Integrated [link|http://pdf.datasheetarchive.com/indexerfiles/gl/Datasheets-UEA1/DSAFRAZ007630.pdf|MAX77836|new_window=true] Low-Voltage Input, 3V/3.3V/5V/ Adjustable Output, Step-Up DC-DC Converter
[* red] MAX77836—likely micro-USB interface controller and Li+ battery chargerMaxim Integrated [link|http://pdf.datasheetarchive.com/indexerfiles/gl/Datasheets-UEA1/DSAFRAZ007630.pdf|MAX77836|new_window=true] Low-Voltage Input, 3V/3.3V/5V/ Adjustable Output, Step-Up DC-DC Converter
[* orange] 1513E8 E614A6
[* yellow] STMicroelectronics [http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1577/LN1810?icmp=ln1810_pron_nb_apr2013&sc=pr-stm32f401|STM32F401|new_window=true] Cortexhttp://www.st.com/web/en/resource/technical/document/datasheet/DM00086815.pdf|STM32F401B|new_window=true] ARM-Cortex M4 microcontrollerMCU with 128KB Flash
[* yellow] STMicroelectronics [http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1577/LN1810?icmp=ln1810_pron_nb_apr2013&sc=pr-stm32f401|STM32F401|new_window=true] Cortexhttp://www.st.com/web/en/resource/technical/document/datasheet/DM00086815.pdf|STM32F401B|new_window=true] ARM-Cortex M4 microcontrollerMCU with 128KB Flash
[* green] Samsung KMF5X0005A-A210 512 MB DRAM package with the Qualcomm APQ8026 System on Chip layered beneath
[* blue] QualcomQualcomm PM8226 power management IC
[* blue] QualcomQualcomm PM8226 power management IC
[* violet] InvenSense [http://www.invensense.com/mems/gyro/nineaxis.html|MP92M|new_window=true] 9-axis Gyro + Accelerometer + Compass
[* black] InvenSense ICS-43430 microphone

Image 2

Old Version

New Version