Et base avr a tmega64-128 r3-schematic
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1. The document shows a circuit diagram for a microcontroller board using an ATmega128 microcontroller. 2. Key components include the microcontroller U3, voltage regulators VR1 and U1, oscillators Y1 and X1, and various input/output ports and connections. 3. The circuit provides power regulation and input/output interfaces to connect sensors, displays, and other peripherals to the microcontroller.
Et base avr a tmega64-128 r3-schematic
- 1. 1 2 3 4 5 6 +5V VR1 +5V 10k H1 CONTRAST 1 2 PA0 PA1 H7 PA2 3 4 PA3 +V 1 2 GND R1 PA4 5 6 PA5 3 4 10k U1 7 8 PG4 RS VO PA6 PA7 A PD7 EN 5 6 RW RST 20 44 PA7 9 10 A +5V RESET (AD7)PA7 D1 7 8 D0 45 PA6 3 4 C1 22pF (AD6)PA6 D3 9 10 D2 SW1 23 XTAL2 (AD5)PA5 46 PA5 PA0-PA7 PG1 D5 11 12 D4 PG0 RESET 47 PA4 Y1 (AD4)PA4 H2 C2 22pF 1 2 PG3 D7 13 14 D6 PG2 24 XTAL1 (AD3)PA3 48 PA3 16MHz (AD2)PA2 49 PA2 PB0 1 2 PB1 ET-CLCD L1 R2 0R 62 50 PA1 PB2 3 4 PB3 AREF (AD1)PA1 64 51 PA0 PB4 5 6 PB5 +5V +5V AVCC (AD0)PA0 bead 63 PB6 7 8 PB7 + +5V GND H8 C3 C4 17 PB7 9 10 +5V H9 (OC2/OC1C)PB7 PE0 1 2 10uF 100n 52 16 PB6 +5V VCC (OC1B)PB6 3 4 PE1 1 2 21 VCC (OC1A)PB5 15 PB5 PB0-PB7 RST 5 6 PB1 3 4 PE0 C6 C7 22 14 PB4 C5 100n 100n GND (OC0)PB4 H3 PB1 7 8 RST 5 6 100n 53 GND (MISO)PB3 13 PB3 PE1 9 10 (MOSI)PB2 12 PB2 PC0 1 2 PC1 AVR ISP PG3 18 PG3(TOSC2) (SCK)PB1 11 PB1 PC2 3 4 PC3 AVR ISP +5V 10 PB0 PC4 5 6 PC5 (SS)PB0 B PG4 19 PG4(TOSC1) PC6 7 8 PC7 B U2 42 PC7 9 10 +5V C8 (A15)PC7 16 1 C1+ C10 PG2 43 PG2(ALE) (A14)PC6 41 PC6 VCC V+ 2 100n PG1 34 PG1(RD) (A13)PC5 40 PC5 PC0-PC7 100n 3 C12 PG0 33 39 PC4 C1- U2P 100n PG0(WR) (A12)PC4 H4 6 1 38 PC3 +5V C9 V- 100n PEN (A11)PC3 GND 4 C2+ R3 (A10)PC2 37 PC2 PD0 1 2 PD1 15 C11 10k 36 PC1 PD2-H4 3 4 PD3-H4 100n (A9)PC1 5 C2- (A8)PC0 35 PC0 PD4 5 6 PD5 PD6 7 8 PD7 11 14 32 PD7 9 10 +5V T1IN T1OUT (T2)PD7 10 T2IN T2OUT 7 (T1)PD6 31 PD6 12 13 +5V 30 PD5 PD0-PD7 R1OUT R1IN J1 (XCK1)PD5 9 R2OUT R2IN 8 (ICP1)PD4 29 PD4 1 28 PD3 H5 (TXD1/INT3)PD3 ICL3232 RXD0 2 (RXD1/INT2)PD2 27 PD2 PE0-H5 1 2 PE1-H5 R8 R5 R7 R4 TXD0 3 26 PD1 PE2 3 4 PE3 C 0R 330R 0R 330R 4 (SDA/INT1)PD1 (SCL/INT0)PD0 25 PD0 PE4 5 6 PE5 C PE6 7 8 PE7 1 1 1 1 RS232-CH0 PF7 54 9 PE7 9 10 +5V RS232 PF7(ADC7/TDI) (ICP3/INT7)PE7 2 2 2 2 +5V PF6 55 8 PE6 J2 PF6(ADC6/TDO) (T3/INT6)PE6 3 3 3 3 PF5 56 PF5(ADC5/TMS) (OC3C/INT5)PE5 7 PE5 PE0-PE7 JP2 JP3 JP4 PORT 1 PF4 57 6 PE4 JP1 PF4(ADC4/TCK) (OC3B/INT4)PE4 RXD1 2 PF3 58 5 PE3 H6 PD3-H4 PD2-H4 PE1-H5 PE0-H5 PF3(ADC3) (OC3A/AIN1)PE3 TXD1 3 PF2 59 PF2(ADC2) (XCK0/AIN0)PE2 4 PE2 PF0 1 2 PF1 PD3 PD2 PE1 PE0 4 PF1 60 PF1(ADC1) (TXD0/PDO)PE1 3 PE1 PF2 3 4 PF3 PF0 61 PF0(ADC0) (RXD0/PDI)PE0 2 PE0 PF4 5 6 PF5 H10 H11 RS232-CH1 PF6 7 8 PF7 +5V 1 +5V 1 9 10 +5V ATMEGA128 2 2 3 3 PF0-PF7 4 4 LOGO ETT J3 6-12VDC D 3 U3 +5V D C13 C15 2 D1 100uF/25V KIA278R05 470uF/16V R6 560R Sheet Title: 1 1 VIN VO 2 Project Title: ET-BASE AVR MEGA128 Size: A4 + + S1G C14 C16 LED1 100n 4 CONT GND 3 100n PWR Drawn By: ETT CO., LTD. REV: 3 Date: 23/9/2553 15:25:44 Sheet: 1/1 1 2 3 4 5 6