3V3 3V3 3V3 5V0 R6 0R C12 3V3 26 GND C1 10uF 6.3v C4 1 GND GND 25 R1 100nF 27R 29 2 R2 FB USB FLASH DRIVE CN-USB CN1 27R 28 4 GND 1 2 3 4 47uF 10v USB2DM USB2DP C8 68pF AVCC VCORE USB1DP USB2DM USB2DP Y1 12MHz 5 5 C7 47pF 9 GND BDBUS0 BDBUS1 BDBUS2 BDBUS3 BDBUS4 BDBUS5 BDBUS6 BDBUS7 XTOUT 10 7 8 10nF R5 TXD 3V3 CON8 GND PUP1 PUP2 RI# 41 42 43 44 45 46 47 48 R12 47k CTS# RI# CN3 R10 1 2 3 ACBUS5 ACBUS6 47k 3V3 CON3 11 12 13 14 15 16 18 19 GND XRESET# DREQ LED1 LED2 20 21 22 23 R14 47k R17 47k SOUT SIN SCLK XCS# PUP1 PUP2 R11 GND 27 GK 330R LP1 LED-BICOLOR GREEN/RED R7 10k 2 PROGRAMMING I/F JUMPER BLOCK LED2 CN4 RESET# PROG# R16 47k GND 180R GND R15 47k ACBUS6 LED1 1nF R13 47k 3V3 TEST GND C11 RI# RXD AGND C10 PLLFLTR TXD RXD RTS# CTS# 31 32 33 34 35 36 37 38 R9 47k 6 PROG# GND 47k BCBUS0 BCBUS1 BCBUS2 BCBUS3 24 R4 PROG# GND RESET# 1 47k GND R3 RESET# 39 3V3 RXD TXD CTS# ACBUS0 ACBUS1 ACBUS2 ACBUS3 ACBUS4 ACBUS5 ACBUS6 ACBUS7 XTIN C9 68pF GND R8 47k 1 2 3 4 5 6 7 8 RTS# ADBUS0 ADBUS1 ADBUS2 ADBUS3 ADBUS4 ADBUS5 ADBUS6 ADBUS7 GND C6 47pF GND 3 2 17 30 VCCIO 40 USB1DM + C5 VCCIO C3 100nF VCCIO 1 C2 100nF + GND RK GND 1 2 3 CON3 GND C16 100nF C15 100nF 3V3 GND U2 R19 1M RX TX DGND DGND DGND DGND DGND Y2 12.288MHz C13 33pF GND XT1 17 XT2 GND 15 C14 33pF GND GPIO0 GPIO1 GPIO2 GPIO3 GPIO0 GPIO1 GPIO2 GPIO3 32 3V3 LEFT RIGHT GBUF TEST 37 40 41 47 3V3 AVDD AVDD AVDD VCO 33 34 9 10 MCP MCN AGND AGND AGND AGND LINEIN RCAP 2V5 5 7 24 31 D1 BAV199 2V8 26 27 D2 BAV199 2V8 4 16 20 21 22 GND 3 2V8 38 43 45 46 39 42 D3 BAV199 2V8 2 18 R18 47k CVDD CVDD CVDD CVDD DREQ BSYNC 6 14 19 3 3 1 8 13 IOVDD IOVDD IOVDD 2 DREQ SOUT SIN SCLK XCS# XRESET# 1 30 29 28 23 3 2 SOUT SIN SCLK XCS# XRESET# 1 5V0 UART / SPI INTERFACE CN2 U1 VNC1L-1A GND FB1 100nF 1 MCP1700T3302 REG1 3 I G O 2 GND GND GND LEFT RIGHT CN5 1 2 48 PHONEJACK STEREO 44 VS1003 R22 R23 R24 20R 20R 20R HEADPHONE JACK GND R20 100k 3V3 2V8 2 3 IN OUT 1 NC 4 + 2 C19 100nF 3 TPS76428 GND GND IN OUT 5 R21 100k GND NC C26 2u2 CERAMIC 0805 GND LEFT GND EN C22 100nF C20 10uF 6.3v U4 5 GND EN 2V5 C18 10uF 6.3v U3 1 C17 100nF 3V3 4 + C21 100nF GND C23 10nF GND C24 10nF GND C25 10nF 2u2 CERAMIC 0805 RIGHT TPS76425 C29 47nF C28 47nF GND GND GND CN6 C27 GND GND 1 2 3 GND GND R25 100k LINE IN VINCULUM VMUSIC2 SCHEMATIC CON3 GND GND R26 100k GND