3V3 3V3 3V3 5V0 R6 0R C12 3V3 MCP1700T3302 REG1 3 I G O GND 25 R1 100nF 27R 29 2 R2 FB USB FLASH DRIVE CN-USB CN1 27R 28 3 2 AVCC VCORE 17 30 USB1DP USB2DM USB2DP GND 1 2 3 4 47uF 10v 4 USB2DM USB2DP ACBUS0 ACBUS1 ACBUS2 ACBUS3 ACBUS4 ACBUS5 ACBUS6 ACBUS7 C8 68pF XTIN Y1 12MHz GND 5 5 C6 47pF C7 47pF BDBUS0 BDBUS1 BDBUS2 BDBUS3 BDBUS4 BDBUS5 BDBUS6 BDBUS7 XTOUT C9 68pF GND PROG# 8 GND 1nF TXD RXD RTS# CTS# CN4 1 2 3 CON3 GND R9 47k RXD TXD 3V3 CON8 GND PUP1 PUP2 RI# 41 42 43 44 45 46 47 48 R12 47k R13 47k 3V3 CTS# CN3 R10 RI# 1 2 3 ACBUS5 ACBUS6 47k 3V3 CON3 11 12 13 14 15 16 18 19 GND R14 47k LED1 LED2 ACBUS6 20 21 22 23 LED1 PUP1 R11 330R TEST LP1 LED-BICOLOR GREEN/RED R7 10k GND VINCULUM VDRIVE2 SCHEMATIC PUP2 GK LED2 PROGRAMMING I/F JUMPER BLOCK RESET# PROG# RI# 180R GND C11 31 32 33 34 35 36 37 38 AGND R5 PLLFLTR RXD TXD CTS# 6 10nF BCBUS0 BCBUS1 BCBUS2 BCBUS3 GND C10 PROG# GND 47k 7 24 R4 RESET# GND 47k RESET# 1 R3 10 GND 3V3 39 GND 9 1 2 3 4 5 6 7 8 RTS# ADBUS0 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 ADBUS6 ADBUS7 + C5 USB1DM 27 5V0 GND GND 2 C4 FB1 R8 47k 1 26 GND C1 10uF 6.3v VCCIO GND VCCIO 40 U1 VNC1-1A C3 100nF VCCIO C2 100nF + 1 UART / SPI INTERFACE CN2 1 2 100nF GND RK R15 47k R16 47k