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Analog Devices ADP5520, Руководство пользователя

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EVAL-ADP5520

 

Rev. 0 | Page 21 of 24 

MOTHERBOARD SCHEMATIC (PAGE 4) 

VBOARD

C7
0.1uF

D-

VDDIO

VDDIO

VBOARD

C28

0.1uF

U8

M24C64-R

A0

A1

A2

VS

S

S

D

A

SC

L

WP

VC

C

R28 2.2k

R29 2.2k

1

3

4

2

Y1

C10
6.2pF

C16
6.2pF

R25
10k

C21

0.1uF

VBOARD

VBOARD

VBOARD

Dminus

Dplus

1

2

3

4

5

6

7

8

9

10

11

12

13

14

U4

15

16

17

18

19

20

21

22

23

24

25

26

27

28

43

44

45

46

47

48

49

50

51

52

53

54

55

56

CY7C68013A

RDY0/SLRD

RDY1/SLWR

AVCC1

XTALOUT

XTALIN

AGND1

AVCC2

D+

AGND2

VCC1

GND1

IFCLK

RES

SC

L

SD

A

VC

C

2

PB

0

/F

D

0

PB

1

/F

D

1

PB

2

/F

D

2

PB

3

/F

D

3

PB

4

/F

D

4

PB

5

/F

D

5

PB

6

/F

D

6

PB

7

/F

D

7

GN

D

2

VC

C

3

GN

D

3 CTL0

CTL1

CTL2

VCC4

PA0/INT1

PA1/INT1

PA3/WU2

PA4/FIFOADR0

PA5/FIFOADR1

PA6/PKTEND

PA7/FLAG

GND4

RESET

PA2/SLOE

VC

C

5

W

AKE

U

P

PD

0

/FD

8

PD

1

/FD

9

PD

2

/FD

9

P

D

3/

F

D

10

P

D

4/

F

D

11

P

D

5/

F

D

12

P

D

6/

F

D

13

P

D

7/

F

D

14

GN

D

5

CLK

O

U

T

VC

C

6

GN

D

6

PAD

VBOARD

VBOARD

VBOARD

VBOARD

R22
100k

C12
0.1uF

R19
100k

R17
100k

C8
10uF

C22
0.1uF

C9
0.1uF

29

30

31

32

33

34

36

37

38

39

40

41

42

35

PAD

C14
2.2uF

C18
2.2uF

C13
100nF

C11
100nF

VBOARD

VBOARD

SDA

SCL

C26
0.1uF

C27
0.1uF

07

65

1-

01

3

 

Figure 13. 

 

 

Содержание ADP5520

Страница 1: ...IOs GENERAL DESCRIPTION The ADP5520 evaluation board allows the user to exercise the main features and functionality of the ADP5520 backlight driver with I O expander IC A daughterboard houses the act...

Страница 2: ...light Zone Adjustment Automatic via Ambient Light Sensing 7 Aux LEDs Config Tab 9 Auxiliary LED Turn On Turn Off 9 Auxiliary LED Turn On Turn Off with Fade In Fade Out 9 Auxiliary LED Blinking 10 GPIO...

Страница 3: ...10 The jumper settings should be moved to EXT if an external power supply is used See the ADP5520 data sheet for the supply ranges of VBAT and VDDIO VBOARD should be supplied with 3 3 V 3 Supply okay...

Страница 4: ...PC 07651 002 SOFTWARE GUI OVERVIEW The GUI begins to run automatically when it is opened You can stop the program without closing it by clicking the STOP button in the bottom right corner To restart t...

Страница 5: ...backlight maximum current setting for example 30 mA then program this setting by clicking the Program 0x05 button 2 In the Daylight Dim Current drop down box select a backlight dim current setting fo...

Страница 6: ...ab 1 In the Daylight Max Current drop down box select a backlight maximum current setting for example 30 mA then program this setting by clicking the Program 0x05 button 2 In the Daylight Dim Current...

Страница 7: ...s BACKLIGHT ZONE ADJUSTMENT AUTOMATIC VIA AMBIENT LIGHT SENSING The ADP5520 contains an ambient light sensor that measures the output current of an external photosensor The ADP5520 can switch between...

Страница 8: ...2 If you move your finger even closer to the photosensor D2 on the daughterboard the backlight automatically switches to the dark operating zone1 and is driven by the current chosen in Step 3 11 To ad...

Страница 9: ...Program 0x11 button 3 On the BackLight Config tab set Bit 7 in Register 0x00 high then program this setting by clicking the Program 0x00 button All three auxiliary LEDs turn on 4 To turn off an LED c...

Страница 10: ...J8 to the LED 2 position b Move the jumper on Block J4 to the LED 3 position 2 On the BackLight Config tab set Bit 7 in Register 0x00 high then program this setting by clicking the Program 0x00 button...

Страница 11: ...program this setting by clicking the Program 0x1A button LED D1 through LED D8 on the motherboard reflect the data programmed into Register 0x1A GPIO INPUTS First press the reset button S17 on the ev...

Страница 12: ...t an interrupt has triggered 5 On the GPIO Config tab do the following a Read back Register 0x19 by clicking the Read 0x19 button b The readback value should indicate that the LSB is set to 1 and ther...

Страница 13: ...button This configures Pin R0 through Pin R3 as keypad matrix rows c Set Bit 4 through Bit 7 in Register 0x17 high then program this setting by clicking the Program 0x17 button This configures Pin C0...

Страница 14: ...ndicating that Key A was released 7 On the BackLight Config tab read Register 0x00 by clicking the Read 0x00 button Bit 0 and Bit 1 the master key press release interrupt bits should be set indicating...

Страница 15: ...ight Config tab set Bit 7 in Register 0x00 high then program this setting by clicking the Program 0x00 button This takes the ADP5520 out of standby mode 6 On the motherboard press and release the S1 s...

Страница 16: ...he red Disabled button it changes to a green Enabled button As you write data to and read data from the ADP5520 each event is displayed in the Command History box You can save the command history list...

Страница 17: ...T VBAT SDA SCL R2 R1 R0 INT J1 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 VBAT L1 4 7u H C1 1UF 16V LK2 C2 1UF 50V TP1 D1 LK1 1 2 1 2 CMP_IN RST ILED SDA SCL R2 VBoard R1 R0 C0 C1 C2 C3 VDDIO...

Страница 18: ...D J12 J11 1 3 2 USB_VBOARD 2 7V 3 3V VBAT VBAT USB_VDDIO USB_VBAT EXT_VBOARD EXT_VDDIO EXT_VBAT 4 5V 1 3 2 VBAT VDDIO VBOARD C20 2 2 uF R24 10k U5 ADP1715 16 EN IN OUT ADJ SS TRK GND GND GND GND R21 1...

Страница 19: ...BOARD VBOARD VBOARD ILED RST VDDIO J9 R10 0 D10 4 R11 0 VBOARD R9 0 D9 D11 S17 2 1 R12 10k R3 R0 R1 R2 C0 C1 C2 C3 J7 J5 J2 J1 J6 J4 J8 J3 4 5 6 1 2 3 1 2 4 5 6 1 2 3 3 4 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6...

Страница 20: ...D6 LED R4 681 D2 LED U1 ADG712 IN1 S1 3 D1 2 IN2 IN3 IN4 D2 15 S2 14 D3 10 S3 11 D4 7 S4 6 GND 5 V DD 13 NC 4 NC 12 R2 681 VDDIO Row0_GPI Row1_GPI VDDIO Row2_GPI VDDIO Row3_GPI VDDIO Col0_GPI VDDIO V...

Страница 21: ...XTALOUT XTALIN AGND1 AVCC2 D AGND2 VCC1 GND1 IFCLK RES SCL SDA VCC2 PB0 FD0 PB1 FD1 PB2 FD2 PB3 FD3 PB4 FD4 PB5 FD5 PB6 FD6 PB7 FD7 GND2 VCC3 GND3 CTL0 CTL1 CTL2 VCC4 PA0 INT1 PA1 INT1 PA3 WU2 PA4 FI...

Страница 22: ...r MLCC 47 F 16 V 1210 X5R Murata GRM32ER61C476K 2 C10 C16 Capacitor MLCC 6 2 pF 50V 0603 X5R Murata GRM1885C1H6R2DZ01D 6 J1 J2 J3 J5 J6 J7 Connector 3 2 Sullins Electronics PEC36DAAN 2 J4 J8 Connector...

Страница 23: ...Vishay or equivalent CRCW08052K21FKE 12 R1 R2 R3 R4 R5 R6 R7 R8 R13 R15 R16 R18 Resistor 681 0603 Vishay or equivalent CRCW0603681RFKE 4 R9 R10 R11 R14 Resistor 0 0603 Vishay or equivalent CRCW060300...

Страница 24: ...EVAL ADP5520 Rev 0 Page 24 of 24 NOTES 2008 Analog Devices Inc All rights reserved Trademarks and registered trademarks are the property of their respective owners EB07651 0 10 08 0...

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