Allwinner A20 manuals

Allwinner A20 User Manual (45 pages)

Brand: Allwinner | Category: Processors | Size: 2.50 MB |

English

Table of contents

A20-OLinuXino-MICRO

1

DISCLAIMER

2

Table of Contents

3

Page 4 of 44

4

CHAPTER 1: OVERVIEW

5

1.3 Board variants

6

1.5 Organization

6

Page 7 of 44

7

2.2 Requirements

8

2.3 Powering the board

9

2.4 Prebuilt software

10

Page 11 of 44

11

2.6 Calibrating a display

12

2.7 Software support

12

Page 13 of 44

13

3.1 Layout (top view)

14

3.2 Layout (bottom view)

15

4.1 The processor

16

4.2 Block diagram

17

CHAPTER 5: CONTROL CIRCUITY

18

Page 19 of 44

19

Page 20 of 44

20

6.2 SD card connectors

22

6.3 PWR jack

24

6.5 USB_OTG connector

26

6.6 USB_HOST connector

27

6.7 Ethernet

28

6.8 HDMI connector

30

6.9 VGA connector

31

6.10 SATA connector and power

32

6.14 LCD_CON 40pin connector

34

6.15 Jumper description

36

CHAPTER 7: SCHEMATICS

37

7.2 Physical dimensions

38

8.1 Document revision

39

8.2 Board revision

40

Page 41 of 44

41

Page 42 of 44

42

Page 43 of 44

43

8.5 Product support

44

Mouser Electronics

45

Allwinner A20 User Manual (55 pages)

Brand: Allwinner | Category: Processors | Size: 2.82 MB |

English

Table of contents

A20-OLinuXino-MICRO

1

DISCLAIMER

2

Table of Contents

3

CHAPTER 1: OVERVIEW

5

1.3 Board variants

6

1.5 Organization

7

2.2 Requirements

8

2.3 Powering the board

9

2.4 Prebuilt software

10

2.5 Button functions

10

Page 11 of 55

11

Page 12 of 55

12

Page 13 of 55

13

Page 14 of 55

14

2.9 GPIO under Debian

16

2.10 I2C and SPI under Debian

17

2.11 Software support

17

Page 18 of 55

18

3.1 Layout (top view)

19

3.2 Layout (bottom view)

20

4.1 The processor

21

4.2 Block diagram

22

CHAPTER 5: CONTROL CIRCUITY

23

Page 24 of 55

24

Page 25 of 55

25

6.2 SD card connectors

27

6.3 PWR jack

30

6.5 USB_OTG connector

31

6.6 USB_HOST connector

33

6.7 Ethernet

34

6.8 HDMI connector

36

6.9 VGA connector

37

6.10 SATA connector and power

38

6.11 GPIO ports

39

Page 42 of 55

42

6.12 LCD_CON 40pin connector

43

6.13 Jumper description

44

Page 45 of 55

45

CHAPTER 7: SCHEMATICS

46

7.2 Physical dimensions

47

8.1 Document revision

48

8.2 Board revision

50

Page 51 of 55

51

Page 52 of 55

52

Page 53 of 55

53

Page 54 of 55

54

8.5 Product support

55

Allwinner devices