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ST STFPC311, Hardware Description And User Manual

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ST STFPC311 Hardware Description And User Manual Download Page 4

Getting Started

UM0213 - User Manual

4/25

  

1 Getting 

Started

The board needs to be powered externally (supply is not provided). The characteristics of an 
appropriate power supply (group) are:

●

–30V

DC

 to –24V

DC

 (drives the VFD Filament),

●

3.3V

DC

 (drives the VFD Controller),

●

12V

DC

 (drives other components, such as the transistor), and

●

3 connectors with a common ground which are provided on the board (see 

Figure 2

).

1.1 

STFPC311 Demo Board Layout

Figure 2.

STFPC311 Evaluation (Demo) Board Layout

www.BDTIC.com/ST

Summary of Contents for STFPC311

Page 1: ...eys 2 switches 4 LEDs 2 LEDs to display Standby and Mute status 1 InfraRed IR Connector for remote control RC Parallel Port for communication with PC External power supply to power up the controller a...

Page 2: ...2 4 3 Setting the READ Frequency 10 2 5 RC and HOTKEYS CONFIG Tab 11 2 5 1 Selecting the Remote Control Protocol 11 2 5 2 Device Address Setting 11 2 5 3 RC Hot Key Configuration 11 2 5 4 Front Panel...

Page 3: ...onfiguration as STANDBY 12 Figure 10 Setting the Alarm Using the RTC 13 Figure 11 Reading the RC5 STANDBY Data 14 Figure 12 RC5 based Remote Control STANDBY Configuration 15 Figure 13 RC5 Protocol STA...

Page 4: ...f an appropriate power supply group are 30VDC to 24VDC drives the VFD Filament 3 3VDC drives the VFD Controller 12VDC drives other components such as the transistor and 3 connectors with a common grou...

Page 5: ...the STFPC311_GUI exe setup file Double click on the setup file to install the GUI on the host system 1 3 Connecting the Board 1 Plug the power supply group into the board see Figure 3 2 Connect the p...

Page 6: ...light up Note When the GUI is invoked for the first time the READY HIGH radio button is selected 2 1 WDT AND STANDBY Tab The Timer Setting pull down menu in the WATCHDOG TIMER frame enables the user...

Page 7: ...UM0213 User Manual Starting the Demo Application 7 25 Figure 5 READY HIGH Selection www BDTIC com ST...

Page 8: ...User Manual 8 25 2 2 COMMAND Tab 2 2 1 Configuring the Display Selecting the appropriate digits segments and dimming settings to configure the VFD see Figure 6 Figure 6 COMMAND Tab for Display Config...

Page 9: ...l Starting the Demo Application 9 25 2 3 WRITE DISPLAY MEMORY Tab This tab allows the user to select the data to be seen on the VFD controller see Figure 7 Figure 7 VFD Filament Data Display Selection...

Page 10: ...ure 8 2 4 2 READ SWITCHES Clicking on the READ SWITCHES button allows the user to read the status of the demo board switches SW1 and SW2 see Figure 8 2 4 3 Setting the READ Frequency One can select th...

Page 11: ...Address and Command are transmitted twice The second time all of the bits are inverted and can be used for verification of the received message 2 5 2 Device Address Setting The STFPC311 needs to be co...

Page 12: ...in the STANDBY CONTROL frame on the WDT AND STANDBY tab When the VFD controller is in STANDBY mode there are two ways to wake up the controller a pressing the remote control STANDBY key and b pressin...

Page 13: ...enerated see Figure 10 1 Set the date and time in the Alarm Settings frame 2 Specify the frequency at which the RTC interrupt status is to be read using the Read Frequency pull down menu in the Status...

Page 14: ...emote control STANDBY key is pressed The RC key interpretation of these bit values for the 3 byte data frames for the various STFPC311 protocols is as follows B1 to B5 Device Address B6 Start bit B7 T...

Page 15: ...r STANDBY configuration is as follows RC Address 0x00 Hot Key STANDBY code 0x0C The RC5 protocol uses Bi phase modulation Manchester encoding in which a low to high transition represents a logic high...

Page 16: ...ensor output when the RC5 STANDBY key is pressed The output shown is an inversion of the IR signal received by the IR sensor Figure 13 RC5 Protocol STANDBY Key Waveforms Start Bits Toggle Bit 5 bit Ad...

Page 17: ...e control is pressed The RC key interpretation of these bit values for the 3 byte data frames for the various STFPC311 protocols is as follows B1 B8 Device Address B9 Start bit B10 Toggle bit B11 B18...

Page 18: ...ows RC Address 0x27 Hot Key STANDBY code 0x0C The RC6 protocol uses Bi phase modulation Manchester encoding in which a low to high transition represents a logic low signal and a high to low transition...

Page 19: ...STANDBY key is pressed The output shown is an inversion of the IR signal received by the IR sensor Figure 16 RC6 Protocol STANDBY Key Waveforms Notes 1 LS Leader Start Pulse 2 SB Start Bit 3 TR Trail...

Page 20: ...sed The RC key interpretation of these bit values for the 3 byte data frames for the various STFPC311 protocols is as follows B1 B8 Device Address B9 Start bit B10 Toggle bit B11 B18 Key Code Data B19...

Page 21: ...ws RC Address 0x02 Hot Key KEY1 code 0x88 A command is transmitted only once even when the key on the remote control remains pressed Every 110ms a repeat code is transmitted for as long as the key rem...

Page 22: ...ual 22 25 Figure 19 shows the signal at the IR sensor output when the NEC remote control KEY1 is pressed The output shown is an inversion of the IR signal received by the IR sensor Figure 19 NEC Proto...

Page 23: ...corresponds to the KS12 K2 Key on the evaluation board In Figure 20 Figure 21 and Figure 22 the keys in the color Blue represent the keys available on the STFPC311 evaluation board Note Only 8 keys o...

Page 24: ...Revision History UM0213 User Manual 24 25 3 Revision History Table 2 Document Revision History Date Revision Changes 21 Mar 2006 1 Initial release www BDTIC com ST...

Page 25: ...OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATE...

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