Arduino Mega ADK solderpad
Android Open Accessory Development Kit
arduino.cc/en/Main/ArduinoBoardADKDescription
The Arduino ADK is a microcontroller board based on the ATmega2560 with a USB host interface to connect with Android based phones, based on the MAX3421e IC. It has 54 digital input/output pins (of which 14 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.
For information on using the board with the Android OS, see Google's ADK documentation.
Schematic
Board
Bill of Materials
| Designator | Value | Description |
|---|---|---|
| ADCH | PIN HEADER | |
| ADCL | PIN HEADER | |
| C1 | 22p | CAPACITOR, European symbol |
| C2 | 10n | CAPACITOR, European symbol |
| C3 | 100n | CAPACITOR, European symbol |
| C4 | 10u | POLARIZED CAPACITOR, European symbol |
| C5 | 10u | POLARIZED CAPACITOR, European symbol |
| C6 | 100n | CAPACITOR, European symbol |
| C7 | 100n | CAPACITOR, European symbol |
| C8 | 100n | CAPACITOR, European symbol |
| C9 | 100n | CAPACITOR, European symbol |
| C10 | 100n | CAPACITOR, European symbol |
| C11 | 100n | CAPACITOR, European symbol |
| C12 | 22p | CAPACITOR, European symbol |
| C13 | 22p | CAPACITOR, European symbol |
| C14 | 100n | CAPACITOR, European symbol |
| C15 | 100n | CAPACITOR, European symbol |
| C16 | 1u | CAPACITOR, European symbol |
| C17 | 100n | CAPACITOR, European symbol |
| C18 | 100n | CAPACITOR, European symbol |
| C19 | 22p | CAPACITOR, European symbol |
| C20 | 22p | CAPACITOR, European symbol |
| C21 | 100n | CAPACITOR, European symbol |
| C22 | 100n | CAPACITOR, European symbol |
| C23 | 1u | CAPACITOR, European symbol |
| C24 | 100n | CAPACITOR, European symbol |
| C25 | 100n | CAPACITOR, European symbol |
| C26 | 100n | CAPACITOR, European symbol |
| COMMUNICATION | PIN HEADER | |
| D1 | 4148 | DIODE |
| D2 | M7 | DIODE |
| D3 | SS1P3L | |
| F1 | 500mA | INDUCTOR, European symbol |
| F2 | 500mA | INDUCTOR, European symbol |
| GROUND | SMD solder JUMPER | |
| IC1 | LMV358MMX | Dual General Purpose, Low Voltage, Rail-to-Rail Output Operational Amplifiers |
| IC2 | LM2736Y | |
| IC3 | ATMEGA2560-16AU | MICROCONTROLLER |
| IC4 | ATMEGA8U2-MU | |
| IC5 | 74LVC1G125DCK | Single Bus Buffer Gate with 3-State Output |
| IC6 | 74LVC1G125DCK | Single Bus Buffer Gate with 3-State Output |
| IC7 | LP2985-33DBVR | ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| IC8 | 74LVC1G125DCK | Single Bus Buffer Gate with 3-State Output |
| IC9 | 74LVC1G125DCK | Single Bus Buffer Gate with 3-State Output |
| ICSP | ICSP | PIN HEADER |
| ICSP1 | ICSP | PIN HEADER |
| JP1 | PIN HEADER | |
| JP2 | PIN HEADER | |
| JP3 | PIN HEADER | |
| JP4 | PIN HEADER | |
| L | YELLOW | LED |
| L1 | 4u7 | INDUCTOR, American symbol |
| L2 | BLM21 | SMD EMI Suppression Ferrite Beads |
| L3 | BLM21 | SMD EMI Suppression Ferrite Beads |
| ON | GREEN | LED |
| PC1 | 47u | POLARIZED CAPACITOR, European symbol |
| PHONE | BERG | |
| POWER | PIN HEADER | |
| PWMH | PIN HEADER | |
| PWML | PIN HEADER | |
| R1 | 100k | RESISTOR, European symbol |
| R2 | 10k | RESISTOR, European symbol |
| R3 | 3k3 | RESISTOR, European symbol |
| R4 | NM | Three terminal jumper made from two 0402, 0603, 0805, etc. |
| R5 | 0R | RESISTOR, European symbol |
| R6 | 0R | RESISTOR, European symbol |
| R7 | NM | Three terminal jumper made from two 0402, 0603, 0805, etc. |
| R8 | NM | Three terminal jumper made from two 0402, 0603, 0805, etc. |
| R9 | 0R | RESISTOR, European symbol |
| RESET | TS42 | TS42 |
| RESET-EN | SMD solder JUMPER | |
| RN1 | 10K | Array Chip Resistor |
| RN2 | 1k | Array Chip Resistor |
| RN3 | 10K | Array Chip Resistor |
| RN4 | 22R | Array Chip Resistor |
| RN5 | 1k | Array Chip Resistor |
| RN6 | 10K | Array Chip Resistor |
| RN7 | 22R | Array Chip Resistor |
| RX | YELLOW | LED |
| T1 | FDN340P | MOS FET |
| TX | YELLOW | LED |
| U$1 | FIDUCIALMOUNT | |
| U$2 | FIDUCIALMOUNT | |
| U$3 | FIDUCIALMOUNT | |
| U$4 | FIDUCIALMOUNT | |
| U7A | MAX3421EEHJ | MAX3421 SPI to USB Interface Chip |
| X1 | DC21MMX | |
| X2 | BERG USB connector | |
| XIOH | PIN HEADER | |
| XIOL | PIN HEADER | |
| Y1 | 16MHz | |
| Y2 | 16MHz KX-7 | |
| Y3 | 12MHz KX-7 | |
| Z1 | PGB1010604 | VARISTOR |
| Z2 | PGB1010604 | VARISTOR |
| Z3 | PGB1010604 | VARISTOR |
| Z4 | PGB1010604 | VARISTOR |
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