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AN3422 Datasheet(PDF) 8 Page - STMicroelectronics |
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AN3422 Datasheet(HTML) 8 Page - STMicroelectronics |
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8 / 52 page  Hardware migration AN3422 8/52 Doc ID 018976 Rev 2 3 Hardware migration The ultralow power STM32L and general-purpose STM32F1xxx families are pin-to-pin compatible. All peripherals shares the same pins in the two families, but there are some minor differences between packages. In fact, the STM32L1 series maintains a close compatibility with the whole STM32F1 series. All power and functional pins are pin-to-pin compatible. The transition from the STM32F1 series to the STM32L1 series is simple as only a few pins are impacted (impacted pins are in bold in the table below). The figures below show examples of board designs that are compatible with both the F1 and the L1 series. Table 2. STM32F1 series and STM32L1 series pinout differences STM32F1 series STM32L1 series QFP48 QFP64 QFP100 QFP144 Pinout QFP48 QFP64 QFP100 QFP144 Pinout 5 5 12 23 PD0 - OSC_IN 5 5 12 23 PH0 - OSC_IN 6 6 13 24 PD1 - OSC_OUT 6 6 13 24 PH1-OSC_OUT 11 6 6 VBAT 11 6 6 VLCD - - 73 106 NC - - 73 106 PH2 |
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