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IDEA6410 Hardware Reference Guide 

38

 

4.15. 8x8 Matrix Keyboard 

The CPU is built up support matrix keyboard, the maximal limited keys is 8x8. IDEA6410 

adopts a biserial 10x2 2.0mm pitch pin header connector J20 for matrix keyboard. 

Boardcon developed a 4x4 matrix keyboard which can directly connects with the 

connector J20. The 4x4 matrix keyboard also is equipped with a USB_HUB interfaces so 

that the user can use it to expand the USB HOST into 4 pieces. 

 

 

 

 

 

 

 

 

 

 

Below pictures are about Matrix Keyboard: 

Summary of Contents for Idea6410

Page 1: ...www armdesigner com Idea6410 Single Board Computer Hardware Reference Guide IDEA6410 Hardware Reference Guide 1...

Page 2: ...ty Boardcon warrants this product to be free of defects in material and workmanship for a period of one year from date of buy During this warranty period Boardcon will repair or replace the defective...

Page 3: ...WARE DESIGN AND INTERFACES DESCRIPTION 14 3 1 NAND FLASH 14 3 2 DDR RAM 15 3 3 NOR FLASH 15 3 4 SERIAL INTERFACE 16 4 INTERFACE 19 4 1 USB HOST 19 4 2 USB OTG 20 4 3 JTAG 20 4 4 SD CARD 22 4 5 CAMERA...

Page 4: ...dded CE 6 0 and Linux2 6 support ready to run Android and Ubuntu are available from Boardcon 1 1 Highlights Rugged Single Board Computer 120mmx58mm achieved through modern SMD technology Improved inte...

Page 5: ...interface another two are three wire TTL serial port led out from a 20 pin expansion connector SD MMC interface supports 3 3V and 1 8V logic voltage Camera interface 10x2 pins header supporting the mo...

Page 6: ...www armdesigner com 1 2 IDEA6410 Block Diagram IDEA6410 Hardware Reference Guide 6...

Page 7: ...Kernel power VDD_ARM 1 3V PLL VCC and startup power of the chip internal logic power VDD_xPLL and VDD_INT 1 2V startup power VDD_Alive 1 8V DDR memory VDD_MEM 3 3V I O and the other peripheral devices...

Page 8: ...matic drawing Picture 3 2 1 3 Voltage value on circuit dot VDD_5V 5V VDD_IO 3 3V VDD_OTG 3 3V VDD_OTGI 1 2V VDD_Alive 1 2V VDD_INT 1 3V VDD_ARM 1 2V VDD_RTC 3V VDD_ADC 3 3V VDD_MDDR 1 8V VDD_AC97 3 3V...

Page 9: ...www armdesigner com 2 2 Power electrical characteristics and power time sequence of S3C6410 IDEA6410 Hardware Reference Guide 9...

Page 10: ...www armdesigner com IDEA6410 Hardware Reference Guide 10...

Page 11: ...www armdesigner com 2 3 IDEA6410 Power Supply block diagram IDEA6410 Hardware Reference Guide 11...

Page 12: ...ash 512k page size addressing cycle is 4 clock 1 0010 XXX Nand Flash 2048k page size addressing cycle is 4 clock 1 0011 XXX Nand Flash 2048k page size addressing cycle is 5 clock X 0100 XXX SROM 8bit...

Page 13: ...elected pins of IROM startup mode when adopts IROM startup mode the main chip S3C6410 runs settled program in advance then reads EINT15 EINT14 EINT13 three pins status with different configuration to...

Page 14: ...is 1 The IDEA6410 uses XTIpll 3 IDEA6410 Hardware Design and interfaces description 3 1 Nand Flash IDEA6410 Single Board Computer selected SLC Nand FLASH K9F2G08 from Samsung its size is 256M Bytes m...

Page 15: ...small BGA package in order to save the room of the board also is to use same length circuit line on the PCB for guaranteeing the board running with high speed and stably 3 3 Nor Flash IDEA6410 adopts...

Page 16: ...board uses three pieces SP3232 serial interface chip to change the four serial interfaces to RS232 level The user can use switch SW2 to change the output of serial interface into RS232 or TTL level Th...

Page 17: ...UART2 or UART3 can be set output into RS232 or TTL by adjusting switch SW2 The pin header J6 J7 J8 is corresponding to UART1 UART2 UART3 for selecting RS232 output pin header J5 is TTL output for UAR...

Page 18: ...www armdesigner com Below picture is circuit drawing of UART1 UAR2 UART3 IDEA6410 Hardware Reference Guide 18...

Page 19: ...0 x UART2 RS232 output x 1 x UART3 TTL output x x 0 UART3 RS232 output x x 1 Note It is 1 when SW2 is put on ON it is 0 when SW2 is put on OFF x means that the output can not be fixed 4 Interface 4 1...

Page 20: ...The USB OTG port type is Mini A B below picture is its circuit drawing 4 3 JTAG The IDEA6410 is equipped with a JTAG interface for downloading program code into the external flash internal controller...

Page 21: ...www armdesigner com Below picture shows the circuit drawing of JTAG IDEA6410 Hardware Reference Guide 21...

Page 22: ...601 656 mode and resolution up to 4096x4096 dots The camera interface is a kind of 10 2 pin header connector at J10 The interface not only has camera signal led out from CPU controlled but also has be...

Page 23: ...www armdesigner com resolution up to 1 3M pixels More information about the Module please refer to chapter 5 3 Below pictures are about Camera interface IDEA6410 Hardware Reference Guide 23...

Page 24: ...3inch TFT LCD which spec is Innolux AT043TN24 one piece of Touch Screen and one piece of converter board The module is connected with the board via a 41pin 0 5mm pitch FPC cable at connector J9 The c...

Page 25: ...www armdesigner com IDEA6410 Hardware Reference Guide 25...

Page 26: ...www armdesigner com IDEA6410 Hardware Reference Guide 26 4 7 Reset key IDEA6410 adopts reset chip MAX811T...

Page 27: ...www armdesigner com Below pictures are circuit drawing of reset IDEA6410 Hardware Reference Guide 27...

Page 28: ...ware Reference Guide 28 4 8 Audio interface IDEA6410 adopts internal controller AC97 BUS to connect external audio chip WM9714 The board has connectors Line out J16 Line in J17 and MIC in J15 Below pi...

Page 29: ...igner com 4 9 Buzzer IDEA6410 has one piece of DC Buzzer It adopts NPN dynatron SS8050 to amplify the driver current for buzzer The buzzer is controlled by signal PWM1_GDF15 IDEA6410 Hardware Referenc...

Page 30: ...www armdesigner com Below is circuit drawing about Buzzer IDEA6410 Hardware Reference Guide 30...

Page 31: ...Ethernet Transformer and the RJ45 connector The Ethernet controller is external chip DM900AE the chip call on the external CPU interrupt signal EINT7 On the process of the development the interface ca...

Page 32: ...www armdesigner com IDEA6410 Hardware Reference Guide 32...

Page 33: ...410 has two SPI interfaces and one I2C interface They adopts 2 0mm pitch space biserial dip connector J21 and J23 in which J22 contains SPI1 and MMC2 J23 contains SPI0 IIC and GPIO The SPI1 is reused...

Page 34: ...of user button and 4 pieces of LED User buttons and LEDs are controlled by GPIO it accepts interrupt mode and query mode The user can program them according to requirement LED on indicates high level...

Page 35: ...as totally 186 GPIO The GPIO can be set as multiplex use output port input port external interrupt and special function But this group GPIO K L M N can not be controlled status under sleep mode about...

Page 36: ...S3C6410 totally has 8 ADC in which 4 ADC ADC4 ADC7 are used to control Touch Screen The last GPIO are used in below places 7 GPIO is used at UART interface J2 3 GPIO is used at LCD TSP connector J9 1...

Page 37: ...esigner com IDEA6410 Hardware Reference Guide 37 4 14 RTC The board is equipped with a battery with type of 1220 when no power supply RTC provides power VDD_RTC for S3C6410 Below circuit drawing is ab...

Page 38: ...8 IDEA6410 adopts a biserial 10x2 2 0mm pitch pin header connector J20 for matrix keyboard Boardcon developed a 4x4 matrix keyboard which can directly connects with the connector J20 The 4x4 matrix ke...

Page 39: ...www armdesigner com IDEA6410 Hardware Reference Guide 39...

Page 40: ...for WIFI module are available now Below is the WIFI Module picture 5 2 GPS Module The GPS module adopts the chip of SiRF III its positioning accuracy resolution up to 10m 5 3 Camera Module The camera...

Page 41: ...and one piece of converter board The module is connected with the board via a 41pin 0 5mm pitch FPC cable at connector J9 5 5 4 4 Matrix Keyboard and USB_HUB Module Boardcon developed 4 4 Matrix Keyb...

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