The main memories are SRAM data memory, EEPROM data memory, and Flash program memory. Also, the peripheral registers are located in the I/O memory space.
Table 6-1. Physical Properties of Flash Memory| Property | ATtiny202 | ATtiny204 | ATtiny402 | ATtiny404 | ATtiny406 |
|---|
| Size | 2 KB | 2 KB | 4 KB | 4 KB | 4 KB |
| Page size | 64B | 64B | 64B | 64B | 64B |
| Number of pages | 32 | 32 | 64 | 64 | 64 |
| Start address | 0x8000 | 0x8000 | 0x8000 | 0x8000 | 0x8000 |
Table 6-2. Physical Properties of SRAM| Property | ATtiny202 | ATtiny204 | ATtiny402 | ATtiny404 | ATtiny406 |
|---|
| Size | 128B | 128B | 256B | 256B | 256B |
| Start address | 0x3F80 | 0x3F80 | 0x3F00 | 0x3F00 | 0x3F00 |
Table 6-3. Physical Properties of EEPROM| Property | ATtiny202 | ATtiny204 | ATtiny402 | ATtiny404 | ATtiny406 |
|---|
| Size | 64B | 64B | 128B | 128B | 128B |
| Page size | 32B | 32B | 32B | 32B | 32B |
| Number of pages | 2 | 2 | 4 | 4 | 4 |
| Start address | 0x1400 | 0x1400 | 0x1400 | 0x1400 | 0x1400 |
