6.1 Overview

The main memories are SRAM data memory, EEPROM data memory, and Flash program memory. In addition, the peripheral registers are located in the I/O memory space.

Table 6-1. Physical Properties of EEPROM
Property ATtiny1617 ATtiny3217
Size 256 bytes 256 bytes
Page size 32 bytes 64 bytes
Number of pages 8 4
Start address 0x1400 0x1400
Table 6-2. Physical Properties of SRAM
Property ATtiny1617 ATtiny3217
Size 2 KB 2 KB
Start address 0x3800 0x3800
Table 6-3. Physical Properties of Flash Memory
Property ATtiny1617 ATtiny3217
Size 16 KB 32 KB
Page size 64 bytes 128 bytes
Number of pages 256 256
Start address 0x8000 0x8000