ST UM0767 User Manual Download Page 27

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Sche

mati

cs
and BOM l

M07

oc
ID
1

6147

R
e

100

SMD0805

Panasonic - ECG

ERJ-6GEYJ101V

Digi-Key

P100ATR-ND

R8,R41, R46

SMD0805

Panasonic - ECG

ERJ-6GEY0R00V

Digi-Key

P0.0ATR-ND

R10,R70, R71

4.7 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ472V

Digi-Key

P4.7KATR-ND

R11,R12,
R13,R14,
R17,R20,
R27,R30,
R38,R39,
R40,R48,
R49,R50,
R51,R53,
R60,R61,

R62,R68, R69

10 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ103V

Digi-Key

P10KACT-ND

R24

10 k

/ resistor bank (9-pin)

SIP9

BI Technologies

L091C103LF

Mouser

858-L091C103LF

R15,R57

470

SMD0805

Panasonic - ECG

ERJ-6GEYJ471V

Digi-Key

P470ATR-ND

R22,R31

1 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ102V

Digi-Key

P1.0KATR-ND

R25,R29, R64,R65

499

SMD0805

Panasonic - ECG

ERJ-6ENF4990V

Digi-Key

P499CTR-ND

R26,R63

120

SMD0805

Panasonic - ECG

ERJ-6GEYJ121V

Digi-Key

P120ATR-ND

R28

1.5 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ152V

Digi-Key

P1.5KATR-ND

R32,R36

510

SMD0805

Panasonic - ECG

ERJ-6GEYJ511V

Digi-Key

P510ATR-ND

R33

2.2 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ222V

Digi-Key

P2.2KATR-ND

R34,R35

1.2 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ122V

Digi-Key

P1.2KATR-ND

R37

100

SMD0805

Panasonic - ECG

ERJ-6GEYJ101V

Digi-Key

P100ATR-ND

R43

18 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ183V

Digi-Key

P18KATR-ND

R44

15 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ153V

Digi-Key

P15KATR-ND

R47

82 k

SMD0805

Panasonic - ECG

ERJ-6GEYJ822V

Digi-Key

P8.2KATR-ND

Table 1.

BOM of microcontroller-based control unit (continued)

Reference

designator

Component description

Package

Manuf.

Manufacturer’s

ordering code /

orderable part

number

Supplier

Supplier ordering

code

Summary of Contents for UM0767

Page 1: ...ds are STM32F103VB microcontroller based control units which are used for configuring the display settings for the STP16DP05 display driver This unit has a GPS module interfaced through a USART port T...

Page 2: ...ting the control unit as master or slave 8 2 2 Description of the STEVAL ILL025V1 LED driver based display unit 8 3 System configuration 10 3 1 One control unit and one display unit configuration 10 3...

Page 3: ...Figure 4 Power supply connection for the LED display panel 6 Figure 5 Slave unit address configuration switches 8 Figure 6 Connection of display panels 9 Figure 7 RS485 communication 12 Figure 8 RS485...

Page 4: ...a microcontroller based demonstration board and the display unit is an LED matrix board The major components on the STEVAL ILL024V1 control unit are STM32F103VBT6 32 bit microcontroller ST485ABDR RS48...

Page 5: ...tion for the control unit and Figure 4 shows the power supply connection for the display unit In each display panel there are 2 screw type connectors for power connection VCC 5 V0 and GND are mentione...

Page 6: ...Getting started UM0767 6 30 Doc ID 16147 Rev 1 Figure 3 Power supply connection on control unit Figure 4 Power supply connection for the LED display panel...

Page 7: ...rd This unit can be configured to operate as the master responsible for sending the commands for display control or as the slave unit responsible for receiving the commands and executing them on the d...

Page 8: ...rts the master routine on the board If 2 is pressed then the LCD shows Slave Board for 2 seconds and then starts the slave routine on the board On the next power up of the board the message Press to e...

Page 9: ...caded in series Figure 6 shows the connection of the display panel The first panel is connected at both sides one to the control unit using a 20 pin cable between the Ext Con header on the control uni...

Page 10: ...nnect a 20 pin flat ribbon cable from the J3 jumper output of the first panel to the J1 jumper input of the second panel Figure 6 shows the connections for cascading the display panels Similarly conne...

Page 11: ...t on the slave at one side and into the J1 header input on the display panel at the other side If needed the display panels can be cascaded in series to create a longer display To cascade the display...

Page 12: ...hed to the master board to select one of the above mentioned modes Step 11 based on which of the keys listed above is pressed the system enters into the chosen mode Operation in each mode is explained...

Page 13: ...eate a longer display Up to 8 such display panels can be cascaded in series Step 5 connect the master and the slave control units using a twisted pair cable Ensure that RS485 at master is connected to...

Page 14: ...the selected slave control unit The slave control unit processes these commands and configures the display panel to display the entered data The other slave units continue to display the old data Ste...

Page 15: ...LCD on the master board shows Master Board for the first 2 seconds then a menu is started which requests that F1 F2 F3 or F6 is pressed to select one of the above mentioned modes 4 1 PC UART communica...

Page 16: ...address Enter 1 255 Enter the slave control unit address as seen on the LCD of the slave control unit or the address of the master 255 and then press the Enter key on the PC keyboard Addresses allowe...

Page 17: ...efault speed of 2 is selected The next message is Enter String Enter the string the maximum allowed string length is 200 letters When the required string is entered select the Enter key on the keyboar...

Page 18: ...ched the LCD asks for the number of display panels connected in cascade at the selected slave device to be entered As soon as the number of display panels is entered the LED matrix starts showing time...

Page 19: ...tters are seen in capital case on the LCD alternatively they are in small case 4 4 Demo mode Demo mode is executed with the master control unit and the display panel connected to Master unit This mode...

Page 20: ...At any point of the system press Esc twice on the keyboard attached to the master unit to return to the main menu Until one of the system modes is entered by pressing any key other than F1 F2 F3 or F...

Page 21: ...The STM32 based display driver demo schematic is made up of two parts The first is for a microcontroller based control unit and the second is for an LED display panel Figure 11 below shows the schema...

Page 22: ...Schematics and BOM list UM0767 22 30 Doc ID 16147 Rev 1 Figure 11 Schematic for the control unit...

Page 23: ...UM0767 Schematics and BOM list Doc ID 16147 Rev 1 23 30 Figure 12 LED display panel schematic...

Page 24: ...PZB260 U7 TDA2822D Post amplifier SO8 STMicroelectronics TDA2822D U8 TS461CLT Rail to rail op amp SOT23 5L STMicroelectronics TS461CLT U9 LD1086DT33TR voltage regulator DPAK STMicroelectronics LD1086D...

Page 25: ...der 3M electronic solutions division 30320 6002HB Mouser 517 30320 6002 J12 J16 Berg strip jumpers 5 x 1 bergstrip Any Samtec TSW 150 32 G S J18 Wago connector Through hole Phoneix Contact 1729131 Mou...

Page 26: ...G ECJ 2FB1A335K Digi Key PCC2288TR ND C39 180 pF SMD0805 Panasonic ECG ECJ 2VC1H181J Digi Key PCC181CGTR ND C43 100 F Through hole TDK Corporation FK22X5R0J107M Digi Key 445 2902 ND C56 C57 15 pF SMD0...

Page 27: ...805 Panasonic ECG ERJ 6ENF4990V Digi Key P499CTR ND R26 R63 120 SMD0805 Panasonic ECG ERJ 6GEYJ121V Digi Key P120ATR ND R28 1 5 k SMD0805 Panasonic ECG ERJ 6GEYJ152V Digi Key P1 5KATR ND R32 R36 510 S...

Page 28: ...ch Through hole C K components BD08 Mouser 611 BD08 JS1 Mini Din keyboard connector Through hole Kobiconn 161 2306 Mouser 161 2306 F1 1 A fuse connector fuse Through hole Keystone Electronics 0217 500...

Page 29: ...UM0767 Revision history Doc ID 16147 Rev 1 29 30 6 Revision history Table 2 Document revision history Date Revision Changes 27 May 2010 1 Initial release...

Page 30: ...ARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLE...

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