How to use NX emmc module i2c1

Robotics & Edge Computing Jetson & Embedded Systems Jetson Xavier NX
1

How can to use i2c1(189, 191ping)? I can’t measure i2c1_scl and i2c1_sda signal when i exec i2cdetect -y 1.
kernel.log (58.8 KB)

3

Try i2cdetect -y 8

4

Hi,

dumu@localhost:~$ sudo ./i2cdetect -y 8
Warning: Can’t use SMBus Quick Write command, will skip some addresses
0 1 2 3 4 5 6 7 8 9 a b c d e f
00:
10:
20:
30: – – – – – – – –
40:
50: – – – – – – – – – – – – – – – –
60:

5

Hi,
You are right, exec i2cdetect -y 8. It can measure i2c1_scl and i2c1_sda signal. Can you send the other i2c correspondence? Thanks.

6

Another i2c0_xx is map to i2c bus 1