D01-501152-01 Rev A
SXGA096 Design Reference Board User
’
s Manual
9
Figure 6-1 Firmware download utility
5.
Click the “Program” button to find the hex file you wish to install.
Note: The power on the SXGA096 Design Reference Board should
be off while setting up your download. Only turn on the power to
the SXGA096 Design Reference Board when you are ready to
write your new firmware to the PIC.
6.
When you turn on the SXGA096 Design Reference Board the hex file
should begin to upload.
7.
When the upload is complete, the SXGA096 Design Reference Board
will run.
7. ADVANCED USER INFORMATION
Microcontroller
The SXGA096 Design Reference Board utilizes a Microchip PIC18F2523
microcontroller. This is a CMOS Flash microcontroller in a 28 pin package.
Provisions are on the circuit board for in circuit reprogramming. Please refer to
the Microchip PIC18F2523 datasheet available from Microchip Technology Inc.
for additional information about the microcontroller and programming.
The main function of the microcontroller is to communicate with the OLED
display. All communication is over the internal I
2
C bus and the microcontroller
acts as the bus master. On power up the registers of the OLED is initialized with