5 4 3 2 1 1.8V to 3.3V Level Translators +1.8V +3.3V C1 +1.8V C2 U1 74AVC4T774 0.1uF 16 D VCCA MMC2_DAT3/SPI3_CS0/GPIO_135 3 MMC2_DAT2/SPI3_CS1/GPIO_134 4 MMC2_DAT1/GPIO_133 5 MMC2_DAT0/SPI3_SOMI/GPIO_132 6 A4 MMC2_DAT4/MMC2_DIR_DAT0/GPIO_136 1 2 7 8 DIR1 DIR2 DIR3 DIR4 MMC2_DAT5/MMC2_DIR_DAT1/GPIO_137 B1 14 GPIO_135 B2 13 GPIO_134 B3 12 GPIO_133 B4 11 GPIO_132 OE 9 A3 DIR L H 0.1uF 15 A2 GND TP18 TP17 TP16 McBSP1_CLKR/SPI4_CLK/GPIO_156 McBSP1_DX/SPI4_SIMO/GPIO_158 4 McBSP1_DR/SPI4_SOMI/GPIO_159 5 McBSP1_FSR/GPIO_157 6 A4 1 2 7 8 DIR1 DIR2 DIR3 DIR4 TP15 +1.8V U2 74AVC4T774 3 4 MMC2_CMD/SPI3_SIMO/GPIO_131 5 MMC2_DAT6/MMC2_DIR_CMD/GPIO_138 A1 0.1uF A2 A3 MMC2_DAT7/MMC2_CLKIN/GPIO_139 6 A4 MMBSP3_DR/UART2_RTS/GPIO_141 1 2 7 8 DIR1 DIR2 DIR3 DIR4 McBSP1_CLKX/GPIO_162 15 14 13 GPIO_131 12 GPIO_138 B4 11 GPIO_139 OE 9 B3 GND SPI4_CLK B2 13 SPI4_SIMO B3 12 SPI4_SOMI B4 11 SPI4_nINT OE 9 A1 A2 A3 GND D TP14 TP13 TP12 TP11 10 +3.3V C10 TP22 nRESET R4 TP21 +1.8V 100K TP20 TP19 +1.8V +1.8V VCCA AVR_PWREN VCCB 15 3 A1 B1 14 4 A2 B2 13 A3 A4 1 2 7 8 DIR1 DIR2 DIR3 DIR4 0.1uF TP10 12 B4 11 nRST OE 9 GND C TP9 nCS B3 6 DIR L H R6 10K 10 16 5 McBSP1_FSX/SPI4_CS0/GPIO_161 GPIO_130 B2 B1 14 TP8 TP7 10 OPERATION B --> A A --> B 1 MMBSP3_DX/UART2_CTS/GPIO_140 TP55 0.1uF B1 0.1uF U4 74AVC4T774 C MMC2_CLK0/SPI3_CLK/GPIO_130 15 +1.8V C4 VCCB VCCB C9 +3.3V VCCA VCCA 3 OPERATION B --> A A --> B +1.8V 16 16 10 C3 0.1uF C6 U3 74AVC4T774 0.1uF VCCB A1 +3.3V C5 JP2 B B 2 BOARD IDENTIFIER SERIAL EEPROM +1.8V +1.8V C11 +3.3V U6 AT24C01 TP6 BEAGLEBOARD EXPANSION CONNECTOR J1 HEADER2x14 A0 A1 A2 GND VCC WP SCL SDA R14 2.2K R15 2.2K 8 7 6 5 I2C2_SCL/GPIO_168 I2C2_SDA/GPIO_183 1 +5V 1 2 3 4 TP5 R13 2.2K 0.1uF A 2 4 6 8 10 12 14 16 18 20 22 24 26 28 1 3 5 7 9 11 13 15 17 19 21 23 25 27 MMC2_DAT7/MMC2_CLKIN/GPIO_139 MMC2_DAT6/MMC2_DIR_CMD/GPIO_138 MMC2_DAT5/MMC2_DIR_DAT1/GPIO_137 MMC2_DAT4/MMC2_DIR_DAT0/GPIO_136 MMC2_DAT3/SPI3_CS0/GPIO_135 MMC2_DAT2/SPI3_CS1/GPIO_134 MMC2_DAT1/GPIO_133 MMC2_DAT0/SPI3_SOMI/GPIO_132 MMC2_CMD/SPI3_SIMO/GPIO_131 MMC2_CLK0/SPI3_CLK/GPIO_130 I2C2_SDA/GPIO_183 +3.3V +5V JP3 +1.8V JUMPER ON = WRITE PROTECT DISABLED JUMPER OFF = WRITE PROTECT ENABLED TP58 TP51 TP47 TP43 TP52 TP48 TP44 TP53 TP49 TP45 TP54 TP50 TP46 2 MMBSP3_DX/UART2_CTS/GPIO_140 MMBSP3_CLKX/UART2_TX/GPIO_142 MMBSP3_FSX/UART2_RX/GPIO_143 MMBSP3_DR/UART2_RTS/GPIO_141 McBSP1_DX/SPI4_SIMO/GPIO_158 McBSP1_CLKX/GPIO_162 McBSP1_FSX/SPI4_CS0/GPIO_161 McBSP1_DR/SPI4_SOMI/GPIO_159 McBSP1_CLKR/SPI4_CLK/GPIO_156 McBSP1_FSR/GPIO_157 I2C2_SCL/GPIO_168 nRESET A www.TinCanTools.com Title Size B Date: 5 4 3 2 TRAINER BOARD Document Number Rev Trainer_Rev-B Thursday, March 24, 2011 B Sheet 1 1 of 2 5 4 3 2 1 MOUNTING HOLES +3.3V X1 +5V X3 3 1 X2 ATMEGA328 VOLTAGE SELECT X4 UART 2 LEVEL TRANSLATORS R8 2 10K 3 AVR_nPWREN R5 1 AVR_PWREN Q1 1 IRLML6401 Q2 MMBT2222A LED2 2 3 10K 1 R7 R9 2 U9 ATmega328 330 RED-LED 100K 4 6 18 AVR_VCC + AVR_VCC +1.8V C16 C R10 10K C21 0.1uF C22 0.1uF VCCA A1 A2 OE VCCB B1 B2 GND 7 8 1 2 VCC VCC AVCC C23 0.1uF 0.1uF U10 3 5 4 6 C20 4.7uF C19 0.1uF MMBSP3_CLKX/UART2_TX/GPIO_142 MMBSP3_FSX/UART2_RX/GPIO_143 D 2 D JP4 3 5 21 GND GND GND 20 AREF PC0 (ADC0) PC1 (ADC1) PC2 (ADC2) PC3 (ADC3) PC4 (ADC4) PC5 (ADC5) ADC6 ADC7 A0 A1 A2 A3 A4 A5 23 24 25 26 27 28 19 22 TP36 TP37 TP38 TP39 TP40 TP41 C C12 JP5 TX 1 RX 3 2 4 0.1uF TXS0102 PB6 (XTAL1/TOSC1) 32 1 2 9 10 11 D2 D3 D4 D5 D6 D7 PB0 (ICP) PB1 (OC1A) PB2 (SS/OC1B) PB3 (MOSI/OC2) PB4 (MISO) PB5 (SCK) 12 13 14 15 16 17 D8 D9 D10 MOSI MISO SCK TP24 TP25 TP26 TP27 TP28 TP29 3 7 PD2 (INT0) PD3 (INT1) PD4 (XCK/T0) PD5 (T1) PD6 (AIN0) PD7 (AIN1) Y1 8MHz 2 1 AVR_VCC TP23 ICSP MOSI 4 AVR_nRESET5 RST GND 6 PD1 (TXD) MOSI I2C VOLTAGE SELECT R12 330 AVR_nRESET TP42 29 +3.3V B JP1 2 2 S1 101-0267-EV RESET R3 200K U5 PCA9306 2 4 +1.8V I2C2_SCL/GPIO_168 I2C2_SDA/GPIO_183 3.3V POWER C13 10uF VOUT +3.3V 2 + C14 10uF + C15 4.7uF 1 U8 NCP551SN18T1G VIN VOUT 5 3 EN C17 1uF GND GND VIN 1 3 + +3.3V U7 LM1117MPX-3.3 N/C 1 2 3 4 R2 2.2K I2C INTERFACE TP4 TP3 TP1 TP2 SCL SDA GND VCC CLOCK DATA C8 0.1uF A 4 www.TinCanTools.com C18 1uF Title Date: 4 8 7 6 5 R1 2.2K +1.8V Size B 5 GND EN VREF1 VREF2 SCL1 SCL2 SDA1 SDA2 C7 0.1uF 1.8V POWER 2 +5V A +5V PC6 (/RESET) LED1 RED-LED 3 SCK 31 AVR_nRESET 2 3 PD0 (RXD) TXD 3 SCK MISO VCC 30 1 B 1 R11 10K RXD 1 MISO AVR_VCC PB7 (XTAL2/TOSC2) 1 J2 HEADER2X3 8 TP30 TP31 TP32 TP33 TP34 TP35 3 2 TRAINER BOARD Document Number Rev Trainer_Rev-B Thursday, March 24, 2011 B Sheet 1 2 of 2