Actions
  UART » History » Revision 38
      « Previous |
    Revision 38/93
      (diff)
      | Next »
    
    Denis 'GNUtoo'  Carikli, 11/05/2019 11:14 AM 
    Add n710x
    
Serial port¶
There is an in-depth article covering several Samsung devices in the SamsungSerial page
Settings¶
| Device and documentation | I/O voltage | ID<->GND | SOC TX | SOC RX | switch | stock bootloader settings | Comments | 
|---|---|---|---|---|---|---|---|
| I9300 | 1.8V1 | 619 kOhms3 | D- | D+ | MAX776935 | * speed: 115200 * pressing the volume-down button during boot increase verbosity  | 
			It gives a shell once Replicant 6 has booted | 
| I9305 | |||||||
| N7100 | ? | ? | |||||
| N7105 | ? | ? | |||||
| Galaxy Nexus | 619 kOhms4 | ||||||
| Nexus S | 150 kOhm | FSA9480 | |||||
| Optimus Black | 1.8V6 | N/A2 | DP3T | 
1 Measured between USB GND and USB VCC
2 Code is required to use the switch as you need to configure both the MUIC and DP3T switch
3 See The related driver source code
4 See the postmarketOS wiki page on Serial debugging
5 See the driver and the ifixit teardown
6 Reference: OptimusBlackSerial
Interesting links¶
- There is a page on Serial debugging on the postmarketOS wiki that contains information for using the serial port for many smartphones models.
 - mv-uart A serial port adapter with configurable voltages (and GPIOs)
 
Updated by Denis 'GNUtoo' Carikli almost 6 years ago · 38 revisions