Micro-USB Interface Controller

A Micro-USB Interface Controller (MUIC) is a USB multiplexer/switch. (Not a USB Host Controller like the name might imply).
== Tested configurations ==
Device 	MUIC 	MUIC 	UART signal voltage 	Resistance	Resistance	Resistance
Device 	Manufacturer and model 	Mainline driver?	UART signal voltage 	150K 	523K 	619K
Samsung Galaxy Grand 2 (samsung-ms013g) 	TI TSU6721 	N 	1.8v 	N 	Y 	Y
Samsung Galaxy Grand Duos (samsung-baffin) 	Fairchild FSA9485 	N 	1.8v 	Y 	Y 	N
Samsung Galaxy Grand Neo (samsung-baffinlite) 	Fairchild FSA9485 	N 	1.8v (accepts 3.3v tx)	Y 	 	Y
Samsung Galaxy K Zoom (samsung-m2alte) 	Maxim Integrated MAX77803 	N 	 	 	 	Y
Google Galaxy Nexus GSM (samsung-maguro) 	Fairchild FSA9480 	Y 	 	 	 	Y
Samsung Galaxy Mini 2 (samsung-s6500d) 	Fairchild FSA9280 	N 	 	 	Y 	
Samsung Galaxy S III LTE (samsung-m3) 	Maxim Integrated MAX77693 	Y 	 	 	 	Y
Samsung Galaxy S4 (samsung-jflte) 	Maxim Integrated MAX77693 	Y 	 	 	 	Y
Samsung Galaxy S4 Mini LTE 	 	 	 	 	 	Y
Samsung Galaxy S5 (samsung-klte) 	Maxim Integrated MAX77804K 	N 	 	 	 	Y
Samsung Galaxy Tab A 9.7 2015 (samsung-gt510) 	MAX77849 	Y 	1.8V 	N 	 	Y
Samsung Galaxy Tab S2 9.7 LTE (samsung-gts210lte) 	Silicon Mitus SM5703 	Y 	 	 	 	Y
Samsung Galaxy S6, S6 Edge, Note5 	Maxim Integrated MAX77843 and/or MAX77833	Y 	 	 	 	Y
Samsung Galaxy S7, S7 Edge 	Maxim Integrated MAX77854 	N 	 	 	 	Y
Samsung Galaxy S8, S8+ (USB-C, so cable layout not known) 	Maxim Integrated MAX77865 	N 	 	 	 	Y
Samsung Galaxy A5 2017, A7 2017 (USB-C, so cable layout not known) 	Samsung S2MU004 	N 	 	 	 	Y
Samsung Galaxy A2 Core, J6, J7 Prime, J7 (2016) 	Samsung S2MU005 	N 	1.8V / 3.3V 	Y 	 	
Samsung Galaxy Note 3 (samsung-hlte) 	Maxim Integrated MAX77803 	N 	 	 	 	Y
Samsung Galaxy Ace 2 (samsung-codina) 	Texas Instruments TSU6111 	Y 	 	 	 	Y
Samsung Galaxy S Advance (samsung-janice) 	Texas Instruments TSU6111 	Y 	 	 	 	Y
Samsung Galaxy S III mini (samsung-golden) 	ST-Ericsson AB8505 	Y 	 	 	 	Y
Samsung Galaxy Beam (samsung-gavini) 	Texas Instruments TSU6111 	Y 	 	 	 	Y
Samsung Galaxy Xcover 2 (samsung-skomer) 	ST-Ericsson AB8505 	Y 	 	 	 	Y
Samsung Galaxy Exhibit (samsung-codina-tmo) 	ST-Ericsson AB8505 	Y 	 	 	 	Y
Samsung Galaxy Amp (samsung-kyle) 	ST-Ericsson AB8505 	Y 	 	 	 	Y
Samsung Galaxy Xcover 4 (samsung-xcover4lte) 	 	 	 	Y 	 	Y
Samsung Galaxy Note 8.0 (Wi-Fi) (samsung-n5110) 	 	 	 	 	 	Y
Samsung Galaxy Tab 4 10.1 (samsung-matissewifi) 	 	 	 	 	 	Y
Samsung Galaxy Tab S (all variants, i.e. [1], [2], [3], [4]) 	Maxim Integrated MAX77888 	N 	 	 	 	Y
Samsung Galaxy Y (samsung-totoro) 	Maxim Integrated MAX8986 	N 	1.8v/3.3v 	 	Y 	Y
Samsung Galaxy Tab 3 10.1 3G (samsung-santos103g) 	 	 	 	 	 	Y
Samsung Galaxy Grand Prime+ (samsung-grandpplte) 	 	 	 	 	 	Y
Huawei P9 lite (huawei-venus) 	Fairchild FSA9480 	 	1.8 V 	Y 	 	
Samsung Galaxy A5 2015 (samsung-a5) 	Silicon Mitus SM5502 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy A6+ 2018 (samsung-a6plte) 	Silicon Mitus SM5708 	N 	1.8 V 	Y 	Y 	Y
Samsung Galaxy A7 2015 (samsung-a7) 	Silicon Mitus SM5502 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy Core Prime LTE (samsung-coreprimelte) 	Silicon Mitus SM5504 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy E7 (samsung-e7) 	Silicon Mitus SM5504 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy Grand Max (samsung-grandmax) 	Silicon Mitus SM5504 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy Grand Prime (samsung-gprime) 	Silicon Mitus SM5504 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy J3 2016 (samsung-j3) 	Silicon Mitus SM5703 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy J3 (samsung-j3xnlte) 	Silicon Mitus SM5504 	Y 	1.8 V 	 	 	Y
Samsung Galaxy J5 2015 (samsung-j5) 	Silicon Mitus SM5703 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy J5 2016 (samsung-j5x) 	Silicon Mitus SM5703 	Y 	1.8 V 	Y 	Y 	Y
Samsung Galaxy Core Prime Value Edition LTE (samsung-coreprimevelte)	Silicon Mitus SM5504 	Y 	1.8V 	Y 	 	Y
Samsung Galaxy Xcover 3 (samsung-xcover3lte) 	Silicon Mitus SM5504 	Y 	 	Y 	 	Y
Samsung Galaxy Tab A 7.0 (2016) (samsung-gtexswifi) 	Silicon Mitus SM5504 	Y 	 	Y 	 	Y
Samsung Galaxy Tab 4 8.0 Wi-Fi (samsung-milletwifi) 	Silicon Mitus SM5502 	Y 	1.8/3.3 V 	 	 	Y
Samsung Galaxy Core 2 Duos (samsung-kanas) 	Richtek RT8973A 	Y 	 	 	 	
Legend	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
CEA-936-A USB Carkit Specification Preview
=== Datasheets ===
FSA9288A
FSA9480
MC34827
TSU6111
Category:Devices with known UART pinout
Category:Technical Reference