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STM32H753II Datasheet(PDF) 170 Page - STMicroelectronics |
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STM32H753II Datasheet(HTML) 170 Page - STMicroelectronics |
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170 / 361 page ![]() Electrical characteristics (rev Y) STM32H753xI 170/360 DS12117 Rev 8 General PCB design guidelines Power supply decoupling should be performed as shown in Figure 41 or Figure 42, depending on whether VREF+ is connected to VDDA or not. The 100 nF capacitors should be ceramic (good quality). They should be placed them as close as possible to the chip. Figure 41. Power supply and reference decoupling (VREF+ not connected to VDDA) 1. VREF+ input is available on all package whereas the VREF– s available only on UFBGA176+25 and TFBGA240+25. When VREF- is not available, it is internally connected to VDDA and VSSA. Figure 42. Power supply and reference decoupling (VREF+ connected to VDDA) 1. VREF+ input is available on all package whereas the VREF– s available only on UFBGA176+25 and TFBGA240+25. When VREF- is not available, it is internally connected to VDDA and VSSA. MSv50648V2 1 μF // 100 nF 1 μF // 100 nF STM32 VREF+ (1) VSSA/VREF- (1) VDDA MSv50649V1 1 μF // 100 nF STM32 VREF+/VDDA (1) VREF-/VSSA (1) |
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