ATAVRRZ200【PDF 20/22 页】KIT DEMO AT86RF230

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6-2

Demonstration Kit User Guide

5183AZIGB12/07/06

6.2.1

Programming the

Display Board

The following steps show how to re-program the ATmega128 microcontroller located on

the Display Board.

Remove RCB from Display board.

1. Connect the 6-pin cable from the AVRISP mkII to the Display ISP connector

(upper right) on the Display Board. Verify that the Display Board is powered on.

2. Start AVR Studio. From the Tools menu, select Program AVR, and select Con-

nect. Choose AVRISP mkII from the list of platforms and the port where it is

connected. Press the Connect button. The AVRISP mkII programming window

should now be visible. Note space between AVR and Studio.

3. In the Program tab, select the target Device as ATmega128.

4. Ensure that the following fuse settings are selected using AVR Studio in the

Fuses tab:

JTAG Interface Enabled; [JTAGEN=0]

Preserve EEPROM memory through the Chip Erase cycle; [EESAVE=0]

Preserve EEPROM memory through chip erase cycle. [EESAVE=0]

Boot programming section size=4096 words Boot start address=$F000;

[BOOTSZ=00]; default value

Brown-out detection level at VCC=2.7V; [BODLEVEL=1]

Int. RC Osc. 8 MHz; Start-up time: 6 CK + 4ms; [CKSEL=0100 SUT=01].

The final fuse value written is 0xFF, 0x91, 0xD4.

5. Go back to the Program tab, in the Flash section, browse to the location of the

input HEX file and select the filename: rz200_display_board_v1_0.hex. Press

Program and verify that the process terminates successfully.

6. Alternatively, fuse settings can be altered using JTAG ICE mkII. In this case,

the Serial program downloading (SPI) enabled; [SPIEN=0] fuse must be

checked.

6.2.2

Programming the

RCB

The following steps show how to re-program the ATmega1281 microcontroller located

on the RCBs.

1. Connect RCB to the Display board. Connect the 6-pin cable from the AVRISP

mkII to the RCB ISP connector (upper left) on the Display Board. Verify that the

RCB is powered on (move the switch away from the antenna).

2. Start AVR Studio. From the Tools menu, select Program AVR, and select Con-

nect. Choose AVRISP mkII from the list of platforms and the port where it is

connected. Press the Connect button. The AVRISP mkII programming window

should now be visible.

3. In the Program tab, select the target Device as ATmega1281.

4. Ensure that the following fuse settings are selected in the Fuses tab:

Brown-out detection disabled; [BODLEVEL=111]

JTAG Interface Enabled; [JTAGEN=0]

Preserve EEPROM memory through chip erase cycle. [EESAVE=0]

Boot program section size=4096 words Boot start address=$F000;

[BOOTSZ=00]; default value

Int. RC Osc. 8 MHz; Start-up time: 6 CK + 65ms; [CKSEL=0100 SUT=01]

The final fuse value written is 0xFF, 0x91, 0xE2.

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