Memory Clock Control Register.
| FWS | Flash Wait State. These bits define the number of wait-state cycles per Flash data read access. Minimum wait state is 2. |
| RAMWS_EN | System RAM Wait State enable. |
| RAM0LS_EN | System RAM 0 Light Sleep mode. |
| RAM1LS_EN | System RAM 1 Light Sleep mode. |
| RAM2LS_EN | System RAM 2 Light Sleep mode. |
| RAM3LS_EN | System RAM 3 Light Sleep mode. |
| ICC0LS_EN | Internal Cache Controller RAM Light Sleep mode. |
| ROMLS_EN | ROM Light Sleep mode. |