40 PIN DIP HEADER 3V3 3V3 MCP1700T3302 REG1 3 I G O LED1 C2 100nF 1 2 3V3 + GREEN GND GND LED1 R25 330R LED2 R26 330R 3V3 USBD1M R1 USBD1P R2 GND FB1 27R 27R R3 100nF 26 25 27R 29 2 R4 FB USB FLASH DRIVE CN-USB CN1 27R 28 4 GND 1 2 3 4 47uF 10v USB2DM USB2DP C8 68pF 3 USB1DP USB2DM USB2DP ACBUS0 ACBUS1 ACBUS2 ACBUS3 ACBUS4 ACBUS5 ACBUS6 ACBUS7 XTIN GND 5 C6 47pF C7 47pF BDBUS0 BDBUS1 BDBUS2 BDBUS3 BDBUS4 BDBUS5 BDBUS6 BDBUS7 XTOUT C9 68pF GND RESET# 7 PROG# 8 41 42 43 44 45 46 47 48 ACBUS0 ACBUS1 ACBUS2 ACBUS3 ACBUS4 ACBUS5 ACBUS6 11 12 13 14 15 16 18 19 BDBUS0 BDBUS1 BDBUS2 BDBUS3 BDBUS4 LED1 LED2 BDBUS7 20 21 22 23 BCBUS0 BCBUS1 BCBUS2 BCBUS3 R10 47k R11 47k 3V3 J3 1 2 3 PROG# RESET# ACBUS5 ACBUS4 ACBUS3 ACBUS2 ACBUS1 ACBUS0 ADBUS7 ADBUS6 CON20 R12 100k ADBUS1 R13 100k ADBUS2 R14 100k ADBUS3 R15 100k ADBUS4 R16 100k ADBUS5 R17 100k ADBUS6 R18 100k ADBUS7 R19 100k ACBUS0 R20 100k ACBUS1 R21 100k ACBUS2 R22 100k ACBUS3 R23 100k ACBUS4 R24 100k BDBUS0 R27 100k BDBUS1 R28 100k BDBUS2 R29 100k BDBUS3 R30 100k BDBUS4 R31 100k BDBUS7 R32 100k BCBUS0 R33 100k BCBUS1 R34 100k BCBUS2 R35 100k BCBUS3 R36 100k J4 1 2 3 GND GND 3V3 ADBUS0 CON3 CON3 R9 10k GND VINCULUM VDIP2 SCHEMATIC ADBUS0 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 ADBUS6 ADBUS7 AGND 1nF 31 32 33 34 35 36 37 38 6 C11 GND BDBUS4 BDBUS3 BDBUS2 BDBUS1 BDBUS0 GND 180R GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON20 GND TEST GND R7 PLLFLTR GND 10nF BCBUS0 BCBUS1 BCBUS2 BCBUS3 24 C10 PROG# GND 47k 10 1 R6 47k GND R5 39 3V3 RESET# 27 GND 9 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 GND ADBUS0 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 ADBUS6 ADBUS7 Y1 12MHz 5 100nF AVCC VCORE 2 17 VCCIO USB1DM + C5 30 40 C14 47pF VCCIO C13 47pF VCCIO 5 U1 VNC1-1A 1 ADBUS0 C12 1 2 3 4 5V0 BCBUS2 BCBUS3 3V3 R8 0R J2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 LED1 LED2 BDBUS7 BCBUS0 BCBUS1 GREEN CN-USB CN2 C4 3V3 J1 LED2 C3 100nF GND GND C1 10uF 6.3v 5V0