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主板原理图(Mega2560_Schematic).pdf

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A B C D 1 1 2 3 4 5 6 7 8 9 VBUS D- D+ ID GND SHIELD1 SHIELD2 SHIELD3 SHIELD4 USB1 GND GND C2 104 USBVCC 5V 4 20 16 15 8 19 24 27 28 17 5V USBVCC C8 104 C9 104 2 3 5V R1 10K RX0 TX0 D1 1N4148 DTR TXD RXD RTS# CTS# DTR# DSR# DCD# RI# CBUS0 CBUS1 CBUS2 CBUS3 CBUS4 1 5 3 11 2 9 10 6 23 22 13 14 12 VCCIO VCC USBDM USBDP NC RESET# NC OSC1 OSC0 L R 2 3 2 T F 3V3OUT D N G A D N G D N G D N G T S E T 7 5 2 8 1 1 2 6 2 U2 GND GND 5V R7 1K L2 GND 4 8 7 6 5 VIN 5V P1 USBVCC MOSFETP R3 10K 3.3V R5 10K C3 104 1 2 3 4 U1 VCC OUT2 IN2- IN2+ OUT1 IN1- IN1+ GND LM358 GND REG1 DTR C1 104 5V 5V R2 10k RESET Key1 GND 123 H11 D2 M7 F1 Fuse Thermal VIN C13 10uF C12 104 P2 2 1 Header 2 i V o GV AMS1117 5V 5V C14 104 C15 10uF 1 2 3 U3 VIN GND EN VOUT BP RT9193-33 5 4 3.3V C10 104 C11 10uF C16 22nF GND GND P3 1 2 Header 2 P4 1 2 Header 2 H1 6 5 4 3 2 1 H2 6 5 4 3 2 1 Header 6 P9 2 1 Header 2 P10 2 1 Header 2 AO1 GND D18 D19 5V AO2 BO2 GND D2 D3 5V BO1 VIN C17 4.7uF C18 104 GND 1 2 3 4 5 6 7 8 9 10 11 12 AO1 AO1 PGND1 PGND1 AO2 AO2 BO2 BO2 PGND2 PGNG2 BO1 BO1 TB1 VM1 PMMA AIN2 AIN1 Vcc STBY GND BIN1 BIN2 PWMB VM3 VM2 24 23 22 21 20 19 18 17 16 15 14 13 D45 D41 D40 D37 D36 D46 GND 5V C21 104 GND 2 3 4 5 6 14 15 16 17 19 7 21 U4 NC NC NC NC NC NC NC NC NC RESV AUX_CL AUX_CL MPU9255 RESV VDDIO VDD nCS SCL/SCLK SDA/SDI AD0/SD0 INT FSYNC REGOUT RESV GND GND 3.3V C19 C20 104 10nF R8 10K GND 3.3V SCL SDA INT FSYNC R9 10K R10 10K C22 104 1 8 13 22 23 24 9 12 11 10 20 18 GND 5 6 7 8 R6 1K L1 GND P15 1 RESET Header 1 AREF 30 33 34 98 100 99 R4 1M GND 16M 5V C4 104 C5 104 C6 104 C7 104 GND D42 D43 D44 D45 D46 D47 D48 D49 A15 A14 A13 A12 A11 A10 A9 A8 D14 D15 D9 D8 D7 D6 D16 D17 D42 D43 D44 D45 D46 D47 D48 D49 A15 A14 A13 A12 A11 A10 A9 A8 TX3 RX3 D9 D8 D7 D6 D16 D17 TX3 RX3 PWM PWM PWM PWM TX2 RX2 10 31 61 80 11 32 62 81 42 41 40 39 38 37 36 35 82 83 84 85 86 87 88 89 79 69 68 67 66 65 64 63 27 18 17 16 15 14 13 12 IC1 RESET XTAL2 XTAL1 AREF AVCC AGND VCC GND PL7 PL6 PL5(OC5C) PL4(OC5B) PL3(OC5A) PL2(T5) PL1(ICP5) PL0(ICP4) PK7(ADC15/PCINT23) PK6(ADC14/PCINT22) PK5(ADC13/PCINT21) PK4(ADC12/PCINT20) PK3(ADC11/PCINT19) PK2(ADC10/PCINT18) PK1(ADC9/PCINT17) PK0(ADC8/PCINT16) PJ7 PJ6(PCINT15) PJ5(PCINT14) PJ4(PCINT13) PJ3(PCINT12) PJ2(XCK3/PCINT11) PJ1(TXD3/PCINT10) PJ0(RXD3/PCINT9) PH7(T4) PH6(OC2B) PH5(OC4C) PH4(OC4B) PH3(OC4A) PH2(XCK2) PH1(TXD2) PH0(RXD2) ATMEGA2560-16AU (AD7)PA7 (AD6)PA6 (AD5)PA5 (AD4)PA4 (AD3)PA3 (AD2)PA2 (AD1)PA1 (AD0)PA0 (OC0A/OC1C/PCINT7)PB7 (OC1B/PCINT6)PB6 (OC1A/PCINT5)PB5 (OC2A/PCINT4)PB4 (MISO/PCINT3)PB3 (MOSI/PCINT2)PB2 (SCK/PCINT1)PB1 (SS/PCINT0)PB0 (A15)PC7 (A14)PC6 (A13)PC5 (A12)PC4 (A11)PC3 (A10)PC2 (A9)PC1 (A8)PC0 (T0)PD7 (T1)PD6 (XCK1)PD5 (ICP1)PD4 (TXD1/INT3)PD3 (RXD1/INT2)PD2 (SDA/INT1)PD1 (SCL/INT0)PD0 (CLKO/ICP3/INT7)PE7 (T3/INT6)PE6 (OC3C/INT5)PE5 (OC3B/INT4)PE4 (OC3A/AIN1)PE3 (XCK0/AIN0)PE2 (TXD0)PE1 (RXD0/PCIN8)PE0 (ADC7/TDI)PF7 (ADC6/TDO)PF6 (ADC5/TMS)PF5 (ADC4/TCK)PF4 (ADC3)PF3 (ADC2)PF2 (ADC1)PF1 (ADC0)PF0 (OC0B)PG5 (TOSC1)PG4 (TOSC2)PG3 (ALE)PG2 (RD)PG1 (WR)PG0 71 72 73 74 75 76 77 78 26 25 24 23 22 21 20 19 60 59 58 57 56 55 54 53 50 49 48 47 46 45 44 43 9 8 7 6 5 4 3 2 90 91 92 93 94 95 96 97 1 29 28 70 52 51 D29 D28 D27 D26 D25 D24 D23 D22 D13 D12 D11 D10 MISO MOSI SCK SS D30 D31 D32 D33 D34 D35 D36 D37 D38 D18 D19 SDA SCL D3 D2 D5 TX0 RX0 A7 A6 A5 A4 A3 A2 A1 A0 D4 D39 D40 D41 PWM PWM PWM PWM MISO MOSI SCK SS D29 D28 D27 D26 D25 D24 D23 D22 D13 D12 D11 D10 D50 D51 D52 D53 D30 D31 D32 D33 D34 D35 D36 D37 D38 D18 D19 D20 D21 TX1 RX1 SDA SCL PWM PWM PWM RX0 TX0 PWM D3 D2 D5 D1 D0 A7 A6 A5 A4 A3 A2 A1 A0 D4 D39 D40 D41 H3 1 2 3 5V GND A0 H4 1 2 3 5V GND A1 H5 1 2 3 5V GND A2 H6 1 2 3 5V GND A3 P6 1 2 3 4 5V GND A4 D4 P7 1 2 3 4 5V GND A5 D5 P8 1 2 3 4 Header 3 Header 3 Header 3 Header 3 Header 4 Header 4 Header 4 P11 1 2 3 4 Header 4 5V GND TX3 RX3 H7 1 2 3 4 5 6 Header 6 5V GND MISO MOSI SCK SS P12 1 2 3 4 Header 4 5V GND SDA SCL P13 1 2 3 4 5 Header 5 5V GND A7 A8 A9 1 2 3 4 5 6 7 8 H8 P5 1 2 3 4 5 6 7 Header 7 5V GND A10 A11 A12 A13 A14 P14 1 2 3 4 Header 4 5V GND SDA SCL 5V GND A6 D6 5V GND D13 D12 D11 D10 D9 D8 A15 VIN R11 10K R12 10K GND A B C D RX0 TX0 D3 1N4148 1 2 3 4 5 6 7 8 UART_RTS UART_TX UART_CTS UART_RX SPI_MOSI SPI_CSB SPI_CLK SPI_MISO Bluetooth PIO0 PIO1 PIO2 PIO3 GND RESETB NC VCC 16 15 14 13 12 11 10 9 R13 1k L3 GND C24 104 R19 1K 3.3V C26 4.7uF C27 104 GND GND 5V R16 10K R21 20K GND RESET Q1 S8550 1 2 C25 104 GND GND GND VCC Vout H10 5V 5V R15 100 R23 1k D7 IR 3 5V 1 2 r e z z u B B1 R17 51R Q2 S8050 D23 R20 1K R22 47K GND Buzzer 5V 5V L4 VDD DIN DOUT VSS WS2812B GND RGB L5 VDD DIN DOUT VSS WS2812B D24 GND 5V R18 10k D25 3.3V 104 C23 C28 104 Key2 GND GND Button SDA INT SCL 6 5 4 SDA SCL GND 1 2 3 IC2 VDD ADDR GND TSL2561 Light 4 5 6 7 aveshareW 8
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