Datenblatt-Suchmaschine für elektronische Bauteile |
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ST72621J4 Datenblatt(PDF) 10 Page - STMicroelectronics |
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ST72621J4 Datenblatt(HTML) 10 Page - STMicroelectronics |
10 / 132 page ST7262 10/132 Note 1: Peripheral not present on all devices. Refer to “Device Summary” on page 1. 2.1 PCB LAYOUT RECOMMENDATION In the case of DIP20 devices the user should lay- out the PCB so that the DIP20 ST7262 device and the USB connector are centered on the same axis ensuring that the D- and D+ lines are of equal length. Refer to Figure 6 Figure 6. Recommended PCB Layout for USB Interface with DIP20 package 43 4 - - - - PD3 I/O CT xx Port D3 44 5 - - - - PD2 I/O CT xx Port D2 Pin n° Pin Name Level Port / Control Main Function (after reset) Alternate Function Input Output 14 13 12 11 15 16 17 18 USBVCC USBDP 1 2 3 4 5 6 7 8 9 10 19 20 USBDM USB Connector Ground Ground 1.5KOhm pull-up resistor |
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Ähnliche Beschreibung - ST72621J4 |
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