Atmel ATSTK500 500 Starter kit and development system. ATSTK500 ATSTK500 데이터 시트
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제품 코드
ATSTK500
AVR068
7
2591C-AVR-06/06
5.1.6 CMD_FIRMWARE_UPGRADE
When the host is trying to connect to the programmer, it checks the firmware version.
A firmware upgrade is initiated if a newer version is available on the PC.
A firmware upgrade is initiated if a newer version is available on the PC.
The STK500 can “reboot” into upgrade mode by using this command. (If the
PROGRAM button on STK500 is pressed while turning on power, upgrade mode is
also entered.)
PROGRAM button on STK500 is pressed while turning on power, upgrade mode is
also entered.)
Table 5-13. Command format
Field
Size
Values
Description
Command ID
1 byte
CMD_FIRMWARE_UPGRADE
Command id
Parameter ID
10 bytes
”fwupgrade”
String to enable upgrade
mode
mode
Table 5-14. Answer format
Field
Size
Values
Description
Answer ID
1 byte
CMD_FIRMWARE_UPGRADE
Answer id
Status 1
byte
STATUS_CMD_OK or
STATUS_CMD_FAILED
STATUS_CMD_FAILED
A status value indicating
the result of the operation
the result of the operation
If the status returned is STATUS_CMD_OK, the STK500 will disconnect and enter
upgrade mode.
upgrade mode.
5.2 ISP Programming Commands
These commands handles FLASH, EEPROM, fuse bytes, lock bits, signature and
oscillator calibration programming in ISP mode.
oscillator calibration programming in ISP mode.
5.2.1 CMD_ENTER_PROGMODE_ISP
This command will make the target device enter programming mode.
XML path: /AVRPART/ICE_SETTINGS/STK500_2/IspEnterProgMode/