TIM2_AF1

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Interpret as TIM2_AF1

ETRSEL=B_0x0

TIM2 alternate function option register 1

ETRSEL

ETR source selection These bits select the ETR input source. Others: Reserved

0 (B_0x0): ETR input is connected to I/O

1 (B_0x1): COMP1 output

2 (B_0x2): COMP2 output

3 (B_0x3): LSE

4 (B_0x4): SAI1 FS_A

5 (B_0x5): SAI1 FS_B

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