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ST72681 Fiches technique(PDF) 5 Page - STMicroelectronics |
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ST72681 Fiches technique(HTML) 5 Page - STMicroelectronics |
5 / 32 page ST72681 Pin description 5/32 2 Pin description Figure 2 shows the TQFP48 package pinout, while Table 2, Table 3, Table 4, and Table 5 give the pin description. The legend and abbreviations used in these tables are the following: ● Type – I = input – O = output – S = supply ● Input level: A = Dedicated analog input ● In/Output level –CT = CMOS 0.3VDD/0.7VDD with input trigger –TT= TTL 0.8V / 2V with Schmitt trigger ● Output level – D8 = 8mA drive – D4 = 4mA drive – D2 = 2mA drive Figure 2. 48-pin TQFP package pinout 1. Must remain NOT connected in the application. 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 48 47 46 45 RREF VSSC VDDC VDD3 USBDP VSSBL VDDA OSCIN OSCOUT VSSA NAND WP READ ONLY EEPROM SCL VSS_2 VSS_3 NAND ALE/EEPROM SDA LED1 LED2 RESET NC(1) VDD33_2 NC(1) USBDM VDDBL ST72681 |
Numéro de pièce similaire - ST72681_07 |
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Description similaire - ST72681_07 |
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