Page 110 - MDP2020-3
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                      |    인천전자마이스터고등학교  ·············································································································

            3.  회로도

                가.  MPU  회로도
                    1)  개요

                                                                      J18   +5V  +3V3  J17  TxD0
                  PJ1                                                 PIN ARRAY 15P  PIN ARRAY 15P     J19
                  POWER    +5V                                          1           1                PIN ARRAY 2P
                                        L1 10uH                         2  PE0   PF0  2       RJ6  0 ohm
                15   3                                                  3  PE1   PF1  3    PE0        1
                14   2                                                  4  PE2   PF2  4
                13   1            C15                   C16             5  PE3   PF3  5    PE1        2
                12   4      +     C104            +     C104            6  PE4   PF4  6
                11   5       C13                  C14                   7  PE5   PF5  7   RxD0  RJ7  0 ohm
                10   6       10uF/50V             10uF/50V              8  PE6   PF6  8
                 9   7                                                  9  PE7   PF7  9
                 8                                                      10  PH0  PK0  10  TxD1
                                    10  31  61  80  100  98             11  PH1  PK1  11               J20
                                                                        12  PH2  PK2  12             PIN ARRAY 2P
                                                                        13  PH3  PK3  13      RJ8  0 ohm
                     PE0  RxD0  2    VCC  VCC  VCC  VCC  AVCC  AREF  97  PF0  14  PH4  PK4  14  PD3   1
                     PE1  TxD0  3  PE0(RXD0/PCINT6)  PF0(ADC70)  96  PF1  15  PH5  PK5  15
              +5V    PE2  4  PE1(TXD0)            PF1(ADC1)  95  PF2                       PD2        2
                     PE3  5  PE2(XCK0/AIN0)       PF2(ADC2)  94  PF3
                     PE4  6  PE3(OC3A/AIN1)       PF3(ADC3)  93  TCK  PF4  J21        J22  RxD1  RJ9  0 ohm
                     PE5  7  PE4(OC3B/INT4)     PF4(ADC4/TCK)  92  TMS  PF5  PIN ARRAY 15P  PIN ARRAY 15P
                 R13  PE6  8  PE5(OC3C/INT5)    PF5(ADC5/TMS)  91  TDO  PF6  1  PH6  PK6  1
                     PE7  9  PE6(T3/INT6)       PF6(ADC6/TDO)  90  PF7  2  PH7   PK7  2
                 220        PE7(CLKO/ICP3/INT7)  PF7(ADC7/TDI)  TDI     3  PB0   PA0  3   TxD2         J23
                     PH0  RxD2  12                     89   PK0         4  PB1   PA1  4              PIN ARRAY 2P
                     PH1  TxD2  13  PH0(RXD2)  PK0(ADC8/PCINT16)  88  PK1  5  PB2  PA2  5     RJ10 0 ohm
                     PH2  14  PH1(TXD2)        PK1(ADC9/PCINT17)  87  PK2  6  PB3  PA3  6  PH1        1
                 LED9  PH3  15 16  PH2(XCK2)  PK2(ADC10/PCINT18)  86  PK3  7 8  PB4  PA4  7 8         2
                            PH3(OC4A)
                                              PK3(ADC11/PCINT19)
                                                       85
                 LED-G  PH4  17  PH4(OC4B)    PK4(ADC12/PCINT20)  84  PK4  9  PB5  PA5  9  PH0
                     PH5                                    PK5            PB6   PA6
                     PH6  18  PH5(OC4C)       PK5(ADC13/PCINT21)  83  PK6  10  PB7  PA7  10  RxD2  RJ11 0 ohm
                     PH7  27  PH6(OC2B)       PK6(ADC14/PCINT22)  82  PK7  11  PL0  PJ7  11
                            PH7(T4)           PK7(ADC15/PCINT23)        12  PL1  PJ6  12
                     PB0  19                           78   PA0         13  PL2  PJ5  13
              POWER  PB1  SCK  20  PB0(SS/PCINT0)  PA0(AD0)  77  PA1    14  PL3  PJ4  14  TxD3         J24
                     PB2  MOSI  21  PB1(SCK/PCINT1)  U10  PA1(AD1)  76  PA2  15  PL4  PJ3  15        PIN ARRAY 2P
                     PB3  MISO  22  PB2(MOSI/PCINT2)  ATMEGA2560  PA2(AD2)  75  PA3           RJ12 0 ohm
                     PB4  23  PB3(MISO/PCINT3)     PA3(AD3)  74  PA4                       PJ1        1
                     PB5  24  PB4(OC2A/PCINT4)     PA4(AD4)  73  PA5  J25             J26
                     PB6  25  PB5(OC1A/PCINT5)     PA5(AD5)  72  PA6  PIN ARRAY 15P  PIN ARRAY 15P  PJ0  2
                                                   PA6(AD6)
                            PB6(OC1B/PCINT6)
                     PB7  26                           71   PA7         1  PL5   PJ2  1
               RJ14 0 ohm   PB7(OC0A/OC1C/PCINT7)  PA7(AD7)             2  PL6   PJ1  2       RJ13 0 ohm
                     PG0  28                           79   PJ7         3  PL7   PJ0  3   RxD3
                     PG1  51  PG3(TOSC2)             PJ7  69  PJ6       4  PD0   PC7  4
              Y1     PG2  52  PG0(WR)            PJ6((PCINT15)  68  PJ5  5  PD1  PC6  5          J27
                                                 PJ5((PCINT14)
                            PG1(RD)
              32.768kHz  PG3  70                       67   PJ4         6  PD2   PC5  6          PIN ARRAY 5X2
                     PG4  29  PG2(ALE)           PJ4((PCINT13)  66  PJ3  7  PD3  PC4  7
                     PG5  1  PG4(TOSC1)          PJ3((PCINT12)  65  PJ2  8  PD4  PC3  8    PF4  TCK  1  2
               RJ15 0 ohm   PG5(OC0B)          PJ2((XCK3/PCINT11)  64  TxD3  PJ1  9  PD5  PC2  9
                     PL0  35                   PJ1(TXD3/PCINT10)  63  RxD3  PJ0  10  PD6  PC1  10  PF6  TDO  3  4  +5V
                     PL1  36  PL0(ICP4)        PJ0(RXD3/PCINT9)         11  PD7  PC0  11
                     PL2  37  PL1(ICP5)            PC7(A15)  60  PC7    12  PG5  PG2  12   PF5  TMS  5  6  /RST
                            PL2(T5)
                     PL3  38  PL3(OC5A)            PC6(A14)  59  PC6    13  PG4  PG1  13
                     PL4  39                           58   PC5         14  PG3  PG0  14        7    8
                     PL5  40  PL4(OC5B)            PC5(A13)  57  PC4    15       /RST  15  +5V
                     PL6  41  PL5(OC5C)            PC4(A12)  56  PC3                       PF7  TDI  9  10
                     PL7  42  PL6                  PC3(A11)  55  PC2
                            PL7                    PC2(A10)  54  PC1
                     PD0  43                       PC1(A9)  53  PC0                              JTAG
                     PD1  44  PD0(SCL/INT0)        PC0(A8)
                     PD2  RxD1  45  PD1(SDA/INT1)               +5V  4   +3V3
                     PD3  TxD1  46  PD2(RXD1/INT2)                              J31   +3V3  J32  J28  +5V  J29
                     PD4  47  PD3(TXD1/INT3)        RESET  30  RESET  3  IN  NC  OUT  2  PIN HEADER 2P  PIN ARRAY 2P  PIN HEADER 2P  PIN ARRAY 2P
                            PD4(ICP1)
                     PD5  48  PD5(XCK1)                               GND
                     PD6  49                               R14  10k        R15     1       1     1        1
                     PD7  50  PD6(T1)                                      220
                                   GND  GND  GND  GND  GND  XTAL2  XTAL1  1N4148  LM1117-3V3  2  2  2     2
                            PD7(T0)                              D1  1  U9
                    J30            11  32  62  81  99  33  34
                    PIN ARRAY 3X2           Y2              /RST
                                            16MHz
             PB3  MISO  1  2                                           LED10
                             +5V                                       LED-R
             PB1  SCK  3  4  MOSI  PB2                     SW1   C19
                                           C17  C18        TACT-2P  C104
             /RST  RESET  5  6             22pF  22pF
                                                                   RESET
                    2)  TOP
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