==Internal Busses==
=== TI CC1050 to ST7 Bus ===
{| class="wikitable"
!CC1050
|}<br />
=== GPS Chip to ST7 Bus ===
{| class="wikitable"
!GPS
'''U16''' - [http://web.archive.org/web/20190417163532/https://www.ti.com/lit/ds/symlink/lmv761.pdf LMV761MF] - Low Voltage Precision Comparator w/ Push-Pull Output <ref group="IC Footnotes" name="U16"> Package marking shows C22A. TI Part marking lookup provides LMV761. The SOT-23 footprint appears to match what is on the PCB.</ref>
''U17 - (Marked Z252)- 3v(blue) -> 5v(yellow) level translator *insert picture U17 here*''
''U18 - (Did not locate, maybe not placed?)''