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DS8024-RJX+ 数据表(PDF) 13 Page - Maxim Integrated Products |
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DS8024-RJX+ 数据表(HTML) 13 Page - Maxim Integrated Products |
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13 / 15 page ![]() Smart Card Interface 13 DS8024 MAXQ1103 100nF 100nF +3.3V +3.3V +3.3V 100k Ω** 100k Ω** 33pF 100nF* 220nF* *PLACE A 100nF CAPACITOR CLOSE TO DS8024 AND PLACE A 220nF CAPACITOR CLOSE TO CARD CONTACT. **SCHEMATIC ASSUMES A NORMALLY CLOSED CONNECTION TO GROUND IN THE SOCKET. INSERTING A CARD BREAKS THE CONNECTION AND PULLS PRES HIGH. 100nF 33pF CLKDIV1 CLKDIV2 5V/3V OFF RSTIN CMDVCC AUX2IN AUX1IN I/OIN PRES GPIO ... ... ... ... GPIO ISOIO0 GPIO ... ... ... GPIO ISOIO1 VCC RST CLK I/O AUX1 AUX2 CGND XTAL1 XTAL2 VUP GND VDD CP1 CP2 +10 μF PGND VDDA 100nF 100nF* 220nF* VDD DS8024 100nF 100nF +3.3V 33pF 100nF 33pF I/OIN AUX1IN AUX2IN CMDVCC RSTIN OFF 5V/3V CLKDIV2 CLKDIV1 PRES CGND AUX2 AUX1 I/O CLK RST VCC XTAL1 XTAL2 VUP GND VDD CP1 CP2 +10 μF PGND VDDA 100nF VDD Figure 8. Typical Application Diagram |
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