DV164126 Microchip Technology, DV164126 Datasheet - Page 31

• Manufacturer Part Number: DV164126
• Description: KIT DEVELOPMENT USB W/PICKIT 2
• Manufacturer: Microchip Technology

Specifications of DV164126

• Main Purpose: Interface, USB 2.0 Slave
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: PIC18F13K50, PIC18F14K50
• Primary Attributes: Full Speed (12Mbps), MCU Based
• Secondary Attributes: 4 Labs: Enumeration, HID Mouse, HID Keyboard, CDC Serial Emulator
• Silicon Manufacturer: Microchip
• Silicon Core Number: PIC18F14K50, PIC18F13K50
• Core Architecture: PIC
• Core Sub-architecture: PIC18
• Silicon Family Name: Piccolo
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

© 2009 Microchip Technology Inc.
Note that the HID keyboard transmits in 8-byte packets along the USB. The format of
this packet is as follows:
• The first byte is used for a modifier such as a shift or ctrl character. (i.e., a
• The second byte is reserved.
• The remaining bytes are used to carry numeric values that contain the desired
Compile the project. There should be no errors.
Testing the Application
7. Connect the PICkit 2 Programmer and open the PICkit 2 programming software
8. Navigate to the .hex file for this lab and download to the PIC18F14K50.
9. Disconnect the PICkit 2. Open a new notepad, word document or other text editor
10. Connect the Low Pin Count USB Demo Board to the Host PC port. The device
11. Within the selected text editor, a series of character entries should appear.
12. Turn the potentiometer on the Low Pin Count USB Demo Board to change the
The user is encouraged to experiment with this application by referring to the Keyboard
Usage Page and changing the keyboard packet transmitted in the state machine.
simultaneous shift and character press on the typical keyboard.)
keyboard characters pressed.
program and click inside the document to place the cursor.
should enumerate as “Keyboard Demo”.
character on the screen.
DS41356B-page 27