Tool/software:
Hi Team,
I am working with the LM25066IA IC, where the UVLO/EN and OVLO thresholds are configured using external resistors.
However, when I read the related PMBus command registers, I only see the default values. My question is: if UVLO and OVLO are configured through external resistors, will those values be reflected in any PMBus command registers? If so, which specific register(s) should I read via I2C
[2025-05-16 11:15:31] root@zynqmp-iwg36m:~# i2cdetect -r -y 0
[2025-05-16 11:15:46] 0 1 2 3 4 5 6 7 8 9 a b c d e f
[2025-05-16 11:15:46] 00: -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 10: UU -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 20: UU UU -- -- -- -- -- -- -- -- -- -- -- 2d -- --
[2025-05-16 11:15:46] 30: 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
[2025-05-16 11:15:46] 70: 70 UU -- -- -- -- -- --
[2025-05-16 11:15:46] root@zynqmp-iwg36m:~#
[2025-05-16 11:16:03] root@zynqmp-iwg36m:~# i2cdump -f -y 0x0 0x10
[2025-05-16 11:16:09] No size specified (using byte-data access)
[2025-05-16 11:16:09] 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef
[2025-05-16 11:16:09] 00: XX 80 XX ff XX XX XX XX XX XX XX XX XX XX XX XX X?X.XXXXXXXXXXXX
[2025-05-16 11:16:09] 10: XX XX XX XX XX XX XX XX XX b0 XX XX XX XX XX XX XXXXXXXXX?XXXXXX
[2025-05-16 11:16:09] 20: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] 30: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] 40: XX XX XX 00 XX XX XX XX XX XX XX XX XX XX XX ff XXX.XXXXXXXXXXX.
[2025-05-16 11:16:09] 50: XX ff XX XX XX XX XX ff 00 XX XX XX XX ff XX XX X.XXXXX..XXXX.XX
[2025-05-16 11:16:09] 60: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] 70: XX XX XX XX XX XX XX XX 42 42 00 XX 00 00 80 00 XXXXXXXXBB.X..?.
[2025-05-16 11:16:09] 80: 00 XX XX XX XX XX 06 XX 57 0f XX 2f XX 00 XX XX .XXXXX?XW?X/X.XX
[2025-05-16 11:16:09] 90: XX XX XX XX XX XX XX 18 22 03 08 02 XX XX XX XX XXXXXXX?"???XXXX
[2025-05-16 11:16:09] a0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] b0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] c0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] d0: 07 0b 07 ff ff 38 ff 00 04 00 0c 08 5b 3d 26 18 ???..8..?.??[=&?
[2025-05-16 11:16:09] e0: 0c 42 0c XX XX XX XX XX XX XX XX XX XX XX XX XX ?B?XXXXXXXXXXXXX
[2025-05-16 11:16:09] f0: XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XXXXXXXXXXXXXXXX
[2025-05-16 11:16:09] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:10] root@zynqmp-iwg36m:~# i2cget -f -y 0x0 0x10 0x43 w
[2025-05-16 11:18:12] 0x0000
[2025-05-16 11:18:12] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:12] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:13] root@zynqmp-iwg36m:~# i2cget -f -y 0x0 0x10 0x43 w
[2025-05-16 11:18:14] 0x0000
[2025-05-16 11:18:14] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:14] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:14] root@zynqmp-iwg36m:~# i2cget -f -y 0x0 0x10 0x57 w
[2025-05-16 11:18:20] 0x0fff
[2025-05-16 11:18:20] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:20] root@zynqmp-iwg36m:~#
[2025-05-16 11:18:20] root@zynqmp-iwg36m:~# i2cget -f -y 0x0 0x10 0x58 w
[2025-05-16 11:18:26] 0x0000
[2025-05-16 11:18:26] root@zynqmp-iwg36m:~#
