| Peripheral | Address | Function |
|---|
| Keyboard | CC8000-CC800E (read only) | Keyboard keys bitmap |
| CC800F (read only) | Keyboard type identifier |
| Audio DAC | CC8100-CC81FF (write only) | Set DAC value |
| SPI | CC9000 (read write) | SPI 1 data register |
| CCA000 (read write) | SPI 2 data register |
| CCB000 (read write) | SPI 3 data register |
| CCD000 (write only) | Enable interrupts for SPI 1 |
| CCE000 (write only) | Enable interrupts for SPI 2 |
| CCF000 (write only) | Enable interrupts for SPI 3 |
| Various | CCC000 (read only) | Integrated peripherals status register |
| Interrupts | CCC000 (write only) | Stop generating interrupts |
| Timer | CCD000 (read) | Enable timer 1 interrupt (8 kHz) |
| CCE000 (read) | Enable timer 2 interrupt (1 kHz) |