Datasheet

AVR079

8133A-AVR-04/08

The parameter values are either one or two bytes. For two-byte values, the high byte

is read/written first.

Table 11-1. One-byte parameters

Value Meaning R/W

PARAM_HW_VER Hardware version R

PARAM_SW_MAJOR Firmware version number, master mcu R

PARAM_SW_MINOR Firmware version number, master mcu R

PARAM_VTARGET Target Voltage RW

PARAM_STATUS Returns status register R

PARAM_STATUS_TGT_CONN Status of target connection R

PARAM_CONTROLLER_INIT Indicates if board has been powered down R

PARAM_DISCHARGEDELAY Delay with higher resistance of reset line W

PARAM_SOCKETCARD_ID Identification value for socketcard R

PARAM_ROUTINGCARD_ID Identification value for routingcard R

PARAM_EXPCARD_ID Identification value for expansioncard R

PARAM_SW_MAJOR_SLAVE1 Firmware version number, slave 1 mcu R

PARAM_SW_MINOR_SLAVE1 Firmware version number, slave 1 mcu R

PARAM_SW_MAJOR_SLAVE2 Firmware version number, slave 2 mcu R

PARAM_SW_MINOR_SLAVE2 Firmware version number, slave 2 mcu R/W

PARAM_BOARD_ID_STATUS Returns status for valid combination of routing and socketcard R

PARAM_RESET Set reset high or low R

PARAM_JTAG_ALLOW_FULL_PAGE_STREAM Boolean: If target allows full page bit stream for memory read/write R

PARAM_JTAG_EEPROM_PAGE_SIZE Page size of target eeprom RW

PARAM_JTAG_DAISY_BITS_BEFORE Instruction register bits before R

Table 11-2. Two-byte parameters

Value Meaning R/W

PARAM2_SCK_DURATION ISP SCK duration RW

PARAM2_AREF0 ADC reference voltage RW

PARAM2_AREF1 ADC reference voltage RW

PARAM2_CLOCK_CONF Register values for programmable oscillator RW

PARAM2_RC_ID_TABLE_REV Routing and socketcard table revision R

PARAM2_EC_ID_TABLE_REV Expansioncard table revision R

PARAM2_JTAG_FLASH_PAGE_SIZE Page size of target flash RW

PARAM2_JTAG_FLASH_SIZE_H High word of flash size RW

PARAM2_JTAG_FLASH_SIZE_L Low word of flash size RW

11.1 PARAM_HW_VER

Returns a hardware revision number.