Schematic of the NCN8026A Evaluation Board 10K VSEL1 TP20 CLKIN TP3 /INT TP22 RSTIN TP15 VDD 1 1 1 10K VSEL1 VSEL0 SW5 1 TP4 I/OUC 1 R16 TP5 AUX1UC R10 R9 10K R7 10K 1 R6 10K 10K 1 TP21 CMDVCCb 1 R4 TP6 AUX2UC TP13 CLKDIV1 1 VDD 1 TP14 CLKDIV2 1 2 J2 VDD TP23 CSb TP2 VSEL1 TP16 VSEL0 1 1 0 1 February 7, 2013 VDD C8 C3 100n 33p CLKDIV2 VSEL0 0 CLKDIV1 CMDVCCb C9 SW3 CLKDIV1 19 I/Ouc AUX1uc AUX2uc 20 22 NCN8026A QFN-24 GND VDD PRESb RSTIN PRES CMDVCCb CI/O 7 J13 21 VDDP Standoffs J10 0 18 C17 17 0 22p 16 0 15 C6 100n VDD 14 CMDVCCb 13 2 1 6 U1 INTb CAUX2 0 J4 IDDP CLKIN CSb PORADJ 4 R3 0R VSEL0 CVCC 2 1 1 1 1 J1 VDDP 3 PRESb PRES 5 2 PRESb PRES VDDP 0 J3 IDD R2 R1 0R open 0 12 VDDP 0 2 CRST CSb 1 11 VSEL0 1 100n 10 TP19 PRES/ TP18 PRES C2 10u CLKDIV2 C1 TP17 1 2 3 4 5 33p CCLK CSb SW6 CAUX1 0 C10 CLKDIV1 PGND SW4 9 0 24 25 CMDVCC/ VSEL1 0 C18 100n CLKDIV2 CSb CLKDIV1 SW1 CLK_EXT_SMB J9 I/Ouc 0 23 0 SW2 VSEL1 CLKDIV2 33p C7 100n 8 C4 100n TP1 1 C11 CON1 J11 330n 0 0 C5 VDD J12 100K J5 0 0 J6 1 I/O 2 Ground 5 6 7 8 R11 1 0R TP8 GND VPP I/O C8 9 TP9 AUX2 1 TP7 AUX1 1 U2 SMART_CARD 0R J7 1 0 1 1 2 3 4 R15 0R 1 TP11 RST 1 TP10 CLK J8 1 R14 0R TP12 CVCC R13 2 Ground 0R 0 C15 C12 80 pF C13 80 pF C14 80 pF 0 02/07/2013 VCC K1 VCC RST CLK C4 R12 0 0 1k LOAD R5 2 220n 0 K2 CON1 2 Ground 10 1 CON1 PORADJ R8 CON1 1 C16 33 pF 100 pF 0 www.onsemi.com