Hi Paul,
1.- When I perform an IAP erase and program of all sectors at 12 MHz I measure a total device current of 3.20 mA (3.3 v). I don’t expect the total current to vary a lot from the datasheet typical numbers.
2.- It can't be accessed, if you attempt to write an address other than RAM using the "Write to RAM" command you will receive a SRC_ADDR_NOT_MAPPED return code.
Hope it helps!
Best Regards,
Carlos Mendoza
Technical Support Engineer