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Silicon Laboratories C8051F04X-DK, User Manual

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Silicon Laboratories C8051F04X-DK User Manual Download Page 12

C8051F04x-DK

12

Rev. 0.6

6.10.  VREF Connector (J22)

The VREF connector (J22) can be used to connect the VREF (Voltage Reference) output of the C8051F040 to any
(or all) of its voltage reference inputs. Install shorting blocks on J22 in the following manner:

1-2 to connect VREF to VREFD
3-4 to connect VREF to VREF0
5-6 to connect VREF to VREF2

Summary of Contents for C8051F04X-DK

Page 1: ...he Silicon Laboratories IDE via the USB Debug Adapter as shown in Figure 1 1 Connect the USB Debug Adapter to the JTAG connector on the target board with the 10 pin ribbon cable 2 Connect one end of the USB cable to the USB connector on the USB Debug Adapter 3 Connect the other end of the USB cable to a USB Port on the PC 4 Connect the ac dc power adapter to power jack P1 on the target board Notes...

Page 2: ...pment kit and is installed during IDE installation The evaluation version of the C51 compiler is the same as the full professional version except code size is limited to 4 kB and the floating point library is not included The C51 compiler reference manual can be found under the Help menu in the IDE or in the SiLabs MCU hlp directory C51 pdf 4 4 Using the Keil Software 8051 Tools with the Silicon L...

Page 3: ...n the Build Make Project button in the toolbar or selecting Project Build Make Project from the menu Note After the project has been built the first time the Build Make Project command will only build the files that have been changed since the previous build To rebuild all files and project dependencies click on the Rebuild All button in the toolbar or select Project Rebuild All from the menu 2 Be...

Page 4: ...ctory during IDE installation The register and bit names are identical to those used in the C8051F04x data sheet Both register definition files are also installed in the default search path used by the Keil Software 8051 tools Therefore when using the Keil 8051 tools included with the development kit A51 C51 it is not necessary to copy a register definition file to each project s file directory 5 ...

Page 5: ...ector See Figure 3 on page 7 for the location of the CAN DB 9 connector 2 Compile and link the can1 c example located in the Examples C8051F04x directory on the CD ROM Choose one of the target boards as Target Board 1 Connect to Target Board 1 and download the can1 project to the C8051F040 following the steps outlined in Section 4 4 on page 2 Once downloaded close this project in the IDE and disco...

Page 6: ...w a Message Object in the CAN Message Registers window you must set its Message Valid bit to 1 in the Message Object s associated Message Arbitration 2 Register Bit 15 ARBT2 This can be done in code by configuring the IF1 and IF2 registers to set the associated Message Objects ARBT2 register A second method to set this bit is available while viewing the Message Object registers in the IDE CAN0 Mes...

Page 7: ...3 to P1 6 pin J4 JTAG connector for Debug Adapter interface J5 DB 9 connector for UART0 RS232 interface J6 Connector for UART0 TX P0 0 J8 Connector for UART0 RTS P4 0 J9 Connector for UART0 RX P0 1 J10 Connector for UART0 CTS P4 1 J11 Analog loopback connector J12 J19 Port 0 7 connectors J20 Analog I O terminal block J22 VREF connector J23 VDD Monitor Disable J24 96 pin Expansion I O connector J25...

Page 8: ...lock from the header to disconnect SW2 from the port pins The port pin signal is also routed to a pin on the J24 I O connector See Table 1 for the port pins and headers corresponding to each switch Two LEDs are also provided on the target board The red LED labeled PWR is used to indicate a power connection to the target board The green LED labeled with a port pin name is connected to the C8051F040...

Page 9: ...to transceiver J10 Install shorting block to connect UART0 CTS P4 1 to transceiver 6 5 Analog I O J11 J20 Several C8051F040 analog signals are routed to the J20 terminal block and the J11 header The J11 connector provides the ability to connect DAC0 and DAC1 outputs to several different analog inputs by installing a shorting block between a DAC output and an analog input on adjacent pins of J11 Re...

Page 10: ...nals being routed to the 96 pin expansion connector each of the eight parallel ports of the C8051F040 has its own 10 pin header connector Each connector provides a pin for the corresponding port pins 0 7 3 3VDC and digital ground Table 6 defines the pins for the port connectors The same pin out order is used for all of the port connectors 6 8 VDD Monitor Disable J23 The VDD Monitor of the C8051F04...

Page 11: ...3 VD2 3 3 VDC B 1 DGND Digital Gnd C 1 XTAL1 A 2 MONEN B 2 P1 7 C 2 P1 6 A 3 P1 5 B 3 P1 4 C 3 P1 3 A 4 P1 2 B 4 P1 1 C 4 P1 0 A 5 P2 7 B 5 P2 6 C 5 P2 5 A 6 P2 4 B 6 P2 3 C 6 P2 2 A 7 P2 1 B 7 P2 0 C 7 P3 7 A 8 P3 6 B 8 P3 5 C 8 P3 4 A 9 P3 3 B 9 P3 2 C 9 P3 1 A 10 P3 0 B 10 P0 7 C 10 P0 6 A 11 P0 5 B 11 P0 4 C 11 P0 3 A 12 P0 2 B 12 P0 1 C 12 P0 0 A 13 P7 7 B 13 P7 6 C 13 P7 5 A 14 P7 4 B 14 P7 ...

Page 12: ...r J22 can be used to connect the VREF Voltage Reference output of the C8051F040 to any or all of its voltage reference inputs Install shorting blocks on J22 in the following manner 1 2 to connect VREF to VREFD 3 4 to connect VREF to VREF0 5 6 to connect VREF to VREF2 ...

Page 13: ...C8051F04x DK Rev 0 6 13 7 Schematic Figure 5 C8051F040 Target Board Schematic ...

Page 14: ... DEBUG Interface Section added USB Debug Adapter DEBUG Connector Pin Descriptions Table changed pin 4 to C2D Changed jumper to header EC2 Serial Adapter section added EC2 to the section title table title and figure title EC2 Serial Adapter section changed JTAG to DEBUG Added USB Debug Adapter section Added J8 and J10 to the connector list Revision 0 5 to Revision 0 6 Removed EC2 Serial Adapter fro...

Page 15: ...C8051F04x DK Rev 0 6 15 NOTES ...

Page 16: ...for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particular purpose nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit and specifi...

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