4,199
edits
Changes
From IGEP - ISEE Wiki
m
→I2C
== I2C ==
=== Dedicated I2C ===
IGEP COM AQUILA uses I2C0 from 40 to 41 SODIMM lines. These lines
IGEP COM AQUILA EXPANSION uses USB1 peripheral as USB 2.0 Host. SODIMM lines from 27 to 31 are USB dedicated lines. IGEP AQUILA EXPANSION Public Schematics adapts
SODIMM lines for an USB Type A receptacle.
=== Optional I2C ===
IGEP COM AQUILA EXPANSION uses USB0 peripheral as USB 2.0 OTG. SODIMM lines from 33 to 38 are USB dedicated lines. IGEP AQUILA EXPANSION Public Schematics adapts
SODIMM lines for an USB Type mini AB receptacle.
=== I2C design notes===
* For USB data lines: USB1 (USBH_DM (29) and USBH_DP (31)) and USB0 (USBOTG_DM (35) and USBOTG_DP (37))
**Maintain symmetry and isolate differential pairs from nearby signals and circuitry to mantain the signal integrity.
== SPI ==
