6 5 4 3 2 1 REVISION RECORD LTR ECO NO: APPROVED: DATE: D D DECOUPLING CAPACITORS VCC VCC DECOUPLING CAPACITORS PLACE CLOSE TO DEVICE MCU PLACE CLOSE TO DEVICE MCU PIN 4 PIN 31 and 32 C6 100nf C5 100nf 100nf C2 4.7uf C4 1 H3 TP11 RESET 1 DP_USB DM_USB PB2 PB1 PB0 PD7 PD6 PD5 PD4 PD3 470 SDA SCL 16 15 14 13 12 11 10 9 VCC 1 TP9 1 NC U1 VSS SCL SDA 7 1K R8 NC 6 SCL 5 SDA TP7 TP8 C R5 2 CLIENT CRYPTOAUTHENICATION ECC108 470 LED1 PD4 NC 8 PD4 1 Blue LED 47K VCC Red LED R10 1 2 3 4 5 6 7 8 DM_USB PC5 PC4 UCAP UGND D+ DUVCC AVCC LED2 2 1 25 26 27 DP_USB 28 29 30 VCC 31 32 XTAL1 XTAL2 GND VCC PC2 PD0 PD1 PD2 C3 1.0uf R4 VCC SCL SDA VCC 1 24 23 22 21 20 19 18 17 RESET PC6 PC7 PB7 PB6 PB5 PB4 PB3 U3 4.7K R11 C AT90USB162-16MU-ND AT90USB162 4 4 3 2 1 NC 820 3 1 TP12 2 1 1 TP5 TP6 R7 VCC LED XTAL1 XTAL2 VCC VCC VCC TP3 1 XTAL1 R1 4 22 3 TP10 16 Mhz 2 1 3 4 100nf C7 B DM_USB 22 PGB1010603MR PGB1010603MR USB D1 1 D2 2 Y1 R6 5.1 XTAL2 1 1 C1 2.2uf TP2 TP1 GND VCC VCC + XTAL2 C11 10pf B DP_USB R2 1 RESET C12 10pf WM17118-ND (SMT) or WM17117-ND (DIP) R9 RESET TP4 1 47K AT90USB162 Power On-Reset Oscillator USB COMPANY: A ATMEL A TITLE: DRAWN: R.MCNAMAR CHECKED: U131 U141 1.5MM_FUDUCIAL 1.5MM_FUDUCIAL RHINO WHITE DATED: 30-APR-13 DATED: M.LONG CODE: 11-JAN-13 QUALITY CONTROL: DATED: RELEASED: DATED: SIZE: C SCALE: NTS DRAWING NO: REV: AT88CK460 SHEET: 1OF 3 1