Using the AT89RFD-08 Board
2-16
AT89RFD-08 Hardware User Guide
4382E–MP3–05/06
2.8
In-System
Programming
2.8.1
ISP Programming
FLIP ISP programming interface can be used to program the microcontroller.
Note:
FLIP can be downloaded from ATMEL website.
2.8.2
ISP Using Hardware
Conditions
Switch SW1 have to be physically pressed on the board in order to enter this mode. This
mode has to be used to upgrade the default firmware.
Figure 2-17.
ISP switch location
Before connecting the USB cable for ISP, you must enter USB bootloader to establish
the connection with FLIP:
n Press the ISP button.
n Press the RST button while keeping ISP button pressed.
n Release the RST button.
n Release ISP button.
n Connect the USB cable to the AT89RFD-08 Reference Design and to the PC
Microcontroller is now in the ISP mode and is ready to communicate with FLIP.
2.8.3
ISP Using Software
Condition
When connected to a PC using a USB cable, the player can be accessed by FLIP soft-
ware. To enter by software in the ISP bootloader of the player, press ‘Select’ button
while the USB cable is plugged into the PC (the ISP software condition are checked only
during power ON Reset).
A driver has to be installed the first time (See FLIP installation note). This driver is deliv-
ered with ATMEL FLIP software (current version 2.4.0) available on the Web site. When
connected, a new device will appear in the hardware window of the PC under the "User
interface peripheral" section, named USB_DFU_SND2. See FLIP User's guide for infor-
mation about FLIP execution.