MG82FG5C64 / MG82FG5C32 with 64K / 32K Bytes flash ROM ━ ISP memory zone could be optioned as 0.5KB/1.0KB~7.5KB ━ Flexible IAP size by software configured ━ Code protection for flash memory access ━ Flash write/erase cycle: 10,000 ━ Flash data retention: 100 years at 25°C ━ Default MG82FG5C64 Flash space mapping.