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I am looking for the reason for the problem and I need a valid schematic. I only found MB1136 version C3..C5. And outside STM version C01. Can you help me, please?

VRiha.1
Associate

0693W00000WKFSDQA5.jpg

1 REPLY 1
CYANG.1
ST Employee

Hi,

If you have schematic of C01, (or C03), you can download latest User Manual on ST website. On the page64 of UM, you can find board revision history, and you may know the C02 features after you compare with C01 to C02 or C03 to C02. I copy the revision history in below:

Revision C-01

The revision C-01 is the initially released version.

Revision C-02

Add LSE:

• X2(32 KHz)

• R34 and R36 changed from OFF to 0 Ω

• C31 and C32 changed from OFF to 10 pF

• SB48 and SB49 changed from ON to OFF

Remove HSE:

• SB16 and SB50 changed from OFF to ON

• SB55 changed from ON to OFF

Note that for the NUCLEO-L4xxRx Nucleo-64 boards:

• SB16 and SB50 must be OFF.

• SB55 changed must be ON.

Revision C-03

• X2 changed to ABS25-32.768KHZ-6-TB

• C31 and C32 changed from 10 pF to 4.3 pF

• C26 changed from 2.2 μF to 4.7 μF

Revision C-04

• T2 changed from STS7PF30L to STS9P3LLH6