Difference between revisions of "Micro-USB Interface Controller"

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Revision as of 18:12, 6 March 2021

TODO Add more information (which devices have one, how they are useful to us, what do jig and boot do, etc.)

A Micro-USB Interface Controller (MUIC) is a USB multiplexer/switch. (Not a USB Host Controller like the name might imply)

UART Modes
Resistance Jig Boot
150k Inactive Inactive
523k Active Inactive
619k Active Active

Tested configurations

TODO Add more devices and fill in missing MUICs
Device MUIC Voltage (VCC) Resistance
150K 523K 619K
Samsung Galaxy Grand Neo (samsung-baffinlite) FSA9485 3.3v Y Y
Google Galaxy Nexus GSM (samsung-maguro) FSA9480 Y
Samsung Galaxy Mini 2 (samsung-s6500d) FSA9280 Y
Samsung Galaxy S4 Mini LTE Y
Samsung Galaxy S5 (samsung-klte) Y
Samsung Galaxy Note 3 (samsung-hlte) Y
Samsung Galaxy S III mini (samsung-golden) Y
Samsung Galaxy Xcover 2 (samsung-skomer) Y
Samsung Galaxy Note 8.0 (Wi-Fi) (samsung-n5110) Y
Samsung Galaxy Tab S 10.5 WiFi (samsung-chagallwifi) Y
Samsung Galaxy Y (samsung-totoro) integrated into PMIC (MAX8986, MAX232) 1.8v Y Y
Samsung Galaxy Tab 3 10.1 3G (samsung-santos103g) Y
Legend
Y Tested, works
P Tested, partially works
N Tested, doesn't work
Untested


Links

Serial_debugging:Cable_schematics#USB_debug_cable

Multiplexed Wired Attack Surfaces

Wikipedia: CEA-936-A

CEA-936-A USB Carkit Specification Preview

Datasheets

FSA9288A

FSA9480

MC34827