
52 Important Product Information
GFK-1671P
Open Issues and Problems
ID Description
Logic/Configuration From and Registers parameters in Nano configuration in VersaPro
2.02 or 2.03: Two new parameters, Logic/Configuration From and Registers, have been added
to the CPU Settings tab of Nano CPUs (NDD010/101, NDR001/010 & NAR010). The option
‘Last’ has been added to the choice list for Power Up mode parameter. To use these new
parameters, firmware Release 2.00 is required. These parameters will be ignored in lower
versions of firmware.
Behavior with different versions of VersaPro, hardware and firmware is given below:
Old VersaPro - VersaPro 2.01 or below (No user selection for RAM/FLASH option available
in HW Config)
New VersaPro - VersaPro 2.02 or 2.03 (RAM/FLASH option available in HW Config)
Old FW - Release 1.10 and lower firmware
New FW - Release 2.00 and higher firmware
Old HW - No Super Cap
New HW - Super Cap Present
CASE 1 - Old VersaPro, New HW, New FW
Nano powers up from RAM always because there is no way to specify power up from flash in
old VersaPro. RAM is preserved by supercap.
CASE 2 - Old VersaPro, Old HW, New FW
Nano powers up from RAM always because there is no way to specify power up from FLASH
in old VersaPro and the value stored in the configuration is RAM. RAM is NOT preserved.
CASE 3 - New VersaPro, Old HW, Old FW
Nano powers up from FLASH regardless of the configuration stored. If option LAST is
selected, then after Power up CPU will come in STOP mode.
CASE 4 – New VersaPro, Old HW, New FW
Nano powers up from FLASH/RAM based on configuration stored in flash. If there is no
configuration in flash or the configuration in flash says to power-up from RAM, the Nano will
power up with memory corrupted (default program and auto-configuration). If option LAST is
selected, then after Power up CPU will come in STOP mode.
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