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SOM205 Receiving Card

SOM205 1.Features SOM205 is one of our truly latest promoted series products: SOM (System on Module). As to the limitation of space, protection of screens, after-sales service and price, SOM204 card provides perfect solutions. And will also provide competitive advantage for the design of......

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SOM205

1.Features

SOM205 is one of our truly latest promoted series products: SOM (System on Module). As to the limitation of space, protection of screens, after-sales service and price, SOM204 card provides perfect solutions. And will also provide competitive advantage for the design of differentiated products.

The module designed with SOM205 must work with TP201/TP205(Switch). The function of TP201/TP205 is to transfer the gigabit signal from sending card into 100mbps signal.

SOM205 is mainly applied to normal screen with pixel pitch smaller than 4mm.

The followings are the features:

1.Has all the functions of the 9th generation receiving card;

2.Single card supports 6 groups of RGB parallel-data signal, 16 groups of serial-data output and 4 way clock signal;

3.Supports high refresh rate and high gray scale(up to 65536 level);

4.Supports general chip, PWM chip and other common Led driver ICs;

5.Supports any type of scanning mode(within 64) and other serial decode scanning mode using 74HC595 and so on;

6.Supports brightness and color pixel-by-pixel calibration;

7.Single card supports up to 65536(256*256) pixels; the refresh rate (module with 128*128 pixels, pixel pitch smaller than 4mm, scanning mode between 32-64)can reach to 2400HZ; brightness can be adjusted manually;

8.Supports single-card color space conversion;

9.Supports configuration file read-back;

10.Requires only one twisted pair in Cat5e cable to convey signal, thus video signal and power can transfer with only one cable;

11.Requires only two differential lines; the basic frequency is only 25Mhz, and can reduce the interfere caused by the flat cable.

12. Irregular led screen configuration: position of one card can be set as needed, and image driving by one card can be rotated in four directions;

13. Supports 100Mbps signal hot-backup;

14.Circuits of LED panel and SOM card can be integrated on one section, which is easy for repairing and saving money for after-sales service;

15. Compliant with RoHS;

16.Compliant with CE-EMC: with a totally enclosed shielding case, the card can prevent electromagnetic interference, and pass EMC test easily; the small size provides a better condition for water-proof design.


2.Application of circuit

SOM205 Specification V1.02263.jpg 

blob.png 

 

3. Dimensions

You can design your own dimensions according to the schematic diagram from Linsn, so there’s no fixed dimensions. Compared with traditional receiving card, such solution provides a more convenient and flexible way to make a led screen as any requests. 


 SOM205 Specification V1.02626.jpg 

6-group RGB parallel-data as follows:

J1O

 

R1

1

2

G1

 

 

B1

3

4

R2

 

 

G2

5

6

B2

 

 

R3

7

8

G3

 

 

A

9

10

B

 

 

C

11

12

D

 

 

E/G6/
OE_G/CLK3

13

14

F/CLK2 /B6

 

 

GND

15

16

LAT

 

 

CLK

17

18

SR

 

 

OE

19

20

GND

 

J2O

 

GND

1

2

OE_B/CLK4

 

 

VCC

3

4

VCC

 

 

GND

5

6

GND

 

100mbps differential signal+

DB_P

7

8

DB_N

100mbps differential signal-

100mbps differential signal+

DA_P

9

10

DA_N

100mbps differential signal-

 

UART_TX

11

12

UART_RX

 

 

B3

13

14

R4

 

 

G4

15

16

B4

 

 

R5

17

18

G5

 

 

B5

19

20

R6

 

blob.png 

 

16-group serial data mode as follows:

J1D

 

data0

1

2

data1

 

 

data2

3

4

data3

 

 

data4

5

6

data5

 

 

data6

7

8

data7

 

 

Ao

9

10

Bo

 

 

Co

11

12

Do

 

 

Eo/OE_Go2/CLKo3

13

14

Fo

 

 

GND

15

16

LATo

 

 

CLKo1

17

28

SRo

 

 

OE_Rol

19

20

GND

 

J2D

 

GND

1

2

CLKo4/OE_Bo3

 

 

VCC

3

4

VCC

 

 

GND

5

6

GND

 

Differential signal input/output+

DB_P

7

8

DB_N

Differential signal input/output-

Differential signal input/output+

DA_P

9

10

DA_N

Differential signal input/output-

 

UART_TX

11

12

UART_RX

 

 

data8

13

14

data9

 

 

data10

15

16

data11

 

 

data12

17

18

data13

 

 

data14

19

20

data15

 

 

5.Working conditions 

The specific working conditions are decided by the finished product, so both of the working conditions of module and SOM should be considered when developing. Below are the working conditions of the 9th Gen receiving card for reference.


Average

Minimum

Maximum

Unit

Rated Voltage

4

3.3

4.8

W

Working Voltage

5

4.5

5.5

V

Working Current

0.8

0.73

0.87

A

Working Temperature


-20

70

Working Humidity


0

95

%

 

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