Micro-USB Interface Controller

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

Tested configurations

TODO Add more devices and fill in missing MUICs
Device MUIC UART signal voltage Resistance
Manufacturer and model Mainline driver? 150K 523K 619K
Samsung Galaxy Grand Neo (samsung-baffinlite) Fairchild FSA9485 N 3.3v 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 S2 9.7 LTE (samsung-gts210lte) Samsung SM5703 N 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 Note 3 (samsung-hlte) Maxim Integrated MAX77803 N 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 Xcover 2 (samsung-skomer) ST-Ericsson AB8505 Y Y
Samsung Galaxy Xcover 4 (samsung-xcover4lte) 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
Samsung Galaxy A7 2015 (samsung-a7) Silicon Mitus SM5502 Y 1.8 V Y
Samsung Galaxy Core Prime LTE (samsung-coreprimelte) Silicon Mitus SM5504 Y 1.8 V Y
Samsung Galaxy E7 (samsung-e7) Silicon Mitus SM5504 Y 1.8 V Y
Samsung Galaxy Grand Max (samsung-grandmax) Silicon Mitus SM5504 Y 1.8 V Y
Samsung Galaxy Grand Prime (samsung-gprime) Silicon Mitus SM5504 Y 1.8 V Y
Samsung Galaxy J3 2016 (samsung-j3) Silicon Mitus SM5703 Y 1.8 V Y
Samsung Galaxy J3 (samsung-j3xnlte) Silicon Mitus SM5504 Y
Samsung Galaxy J5 2015 (samsung-j5) Silicon Mitus SM5703 Y 1.8 V Y
Samsung Galaxy J5 2016 (samsung-j5x) Silicon Mitus SM5703 Y 1.8 V 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

TSU6111