8-Bit HCS08 Central Processor Unit (CPU)
- 40-MHz HCS08 CPU (central processor unit)
- HC08 instruction set with added BGND instruction
- Support for up to 32 interrupt/reset sources

On-Chip Memory
- FLASH read/program/erase over full operating voltage and temperature
- EEPROM in-circuit programmable memory;program and erase while executing FLASH; erase abort
- Random-access memory (RAM)
- Security circuitry to prevent unauthorized access to RAM and NVM contents
- MC9S08EL32: 32,768 bytes of FLASH, 512 bytes of EEPROM
- MC9S08EL16: 16,384 bytes of FLASH, 512 bytes of EEPROM
- MC9S08SL16: 16,384 bytes of FLASH, 256 bytes of EEPROM
- MC9S08SL8: 8,192 bytes of FLASH, 256 bytes of EEPROM


Erase area before write!