C Schéma výukového přípravku

(1)

AT89C51CC03

GND

+5 V

VC C IO

1u

VC C IO

74AC125D

VC C IO

20 MHz

33p 33p

GND GND

GND VC C IO 10k

GND

10 k

10 k VC C IO

VC C IO VC C IO

TJA1040

10 k

100n

10 k

GND

VC C IO

GND

TJA1054T

10 k 10 k

GND

VC C IO

74HC595D

74HC595D GND

VC C IO

100n 100n 100u

100u

120 VC C IO

GND

VC C IO

RR 8x56k

RR 4x10k VC C IO

GND GND

GND

IC1 RESET 1

VAGND

2 VAREF

3

P1.0/AN0/T2 4 P1.1/AN1/T2EX 5 P1.2/AN2/ECI 6 P1.3/AN3/CEX0 7 P1.4/AN4/CEX1 8 P1.5/AN5/CEX2 9 P1.6/AN6/CEX3 10 P1.7/AN7/CEX4 11

12 EA NC13 13

P3.0/RXD 14

P4.3/SCK 15

P3.1/TXD 16

P3.2/INT0 17

P3.3/INT1 18

P3.4/T0 19

P3.5/T1/SS 20

P3.6/WR 21

P3.7/RD 22

P4.0/TXDC 23

P4.1/RXDC 24

P2.7/A15 25 P2.6/A14 26 NC27 27

P2.5/A13 28 P2.4/A12 29 P2.3/A11 30 P2.2/A10P2.1/A9 3132 P4.2/MISO

33

P2.0/A8 34 P0.0/AD0 35

P4.4/MOSI 36

P0.1/AD1 37 P0.2/AD2 38 P0.3/AD3 39 P0.4/AD4 40 P0.5/AD5 41 NC42 42

P0.6/AD6 43 P0.7/AD7 44 45 PSEN

46 ALE

XTAL2 47

XTAL1 48

VCC4949 VCC5050

TESTI 51

VSS52

R E S E T

3 1 2

4

C1

1

IC2A

2 3

4

IC2B

5 6

Q1

2 1

C2 C3

R1

R 2

R 3

IC3

TXD 1

GND 2

VCC 3

RXD 4

SPLIT 5 CANL

6 CANH

7 STB

8

R 4 C4

R 5

IC4

INH 1

TXD 2

RXD 3

ERR 4

STB 5

EN 6

WAKE 7

8 RTHRTL

9 VCC

10 CANH

11 CANL

12 GND

13 BAT 14

JP1

12 3

R 6 R 7

QB 1

QC 2

QD 3

QE 4

QF 5

QG 6

QH 7

10 SCLSCK 11

12 RCK

13 G

14 SER QA 15

QH* 9

IC5P

GNDVCC816

QB 1

QC 2

QD 3

QE 4

QF 5

QG 6

QH 7

10 SCLSCK 11

12 RCK

13 G

14 SER QA 15

QH* 9

IC6P

GNDVCC816

P S E N

3

1 2

4

JP 3

1 2 3

JP 4

1 2 3

J1

12 34 56 78 910 1112 1314 1516 1718 1920

J2

12 34 56 78 910 1112 1314 1516 1718 1920

J3

12 34 56 78 910 1112 1314 1516 1718 1920

JP 5

1 2 3

JP 6

1 2 3

C5 C6

C7 C8

JP 7

1 2

R9

1

RN1

2 3 4 5 6 7 8 9

RN2

1 2 3 4 5

S L1

1 2 3

S L2

1 2 3

JP2

1

2 3

4

GND GND GND

VCCIO VCCIO VCCIO

LED1

LED1 KPAD1

KPAD1 KPAD2

KPAD2 KPAD3

KPAD3 KPAD4

KPAD4 KPAD5

KPAD5 KPAD6

KPAD6 KPAD7

KPAD7 KPAD8

KPAD8 LCD_RS

LCD_RS LCD_RW

LCD_RW LCD_E

LCD_E LCD_DB8

LCD_DB8 LCD_DB7

LCD_DB7 LCD_DB6

LCD_DB6 LCD_DB5

LCD_DB5 LCD_DB4

LCD_DB4 KEY1

KEY1

KEY2 KEY2

RTC_SDA RTC_SDA

RTC_SCL RTC_SCL

TEMP_OUT

BAR1 BAR1

BAR2 BAR2

BAR3 BAR3

BAR4 BAR4

BAR5 BAR5

BAR6 BAR6

BAR7 BAR7

BAR8 BAR8

BAR9 BAR9

BAR10 BAR10

RXD2 RXD2

RXD1 RXD1

TXD1

TXD1 DTR1

DTR1

RTS1

+3V3 +5V +3V3 +5V

PIEZO

PIEZO POT

POT ZAR

ZAR LED2

LED2 LED3

LED3 TXD2

TXD2 DTR2 DSR2

DIR485

DIR485 CTS1

DSR1 DCD1 RI1

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