ATtiny28 16MHZ 0x1E 0x91 0x07 2 5 1 4 0x00,1.2 MHz 2048 0 9 15 50 9 9 100 0x58000000 3 0xac000000 1 0x58000000 3 0xace00000 1 0xf2 0xff [LOW] 17 5 0x10 0x00 Internal load capacitors between XTAL1/XTAL2 and GND 0x0F 0x0F CKSEL=1111 External Crystal / Ceramic Resonator 0x0F 0x0E CKSEL=1110 External Crystal / Ceramic Resonator 0x0F 0x0D CKSEL=1101 External Crystal / Ceramic Resonator 0x0F 0x0C CKSEL=1100 External Crystal / Ceramic Resonator 0x0F 0x0B CKSEL=1011 External Crystal / Ceramic Resonator 0x0F 0x0A CKSEL=1010 External Crystal / Ceramic Resonator 0x0F 0x09 CKSEL=1001 External Low-Frequency Crystal 0x0F 0x08 CKSEL=1000 External Low-Frequency Crystal 0x0F 0x07 CKSEL=0111 External RC Ocsillator 0x0F 0x06 CKSEL=0110 External RC Ocsillator 0x0F 0x05 CKSEL=0101 External RC Ocsillator 0x0F 0x04 CKSEL=0100 Internal RC Ocsillator 0x0F 0x03 CKSEL=0011 Internal RC Ocsillator 0x0F 0x02 CKSEL=0010 Internal RC Ocsillator ; default value 0x0F 0x01 CKSEL=0001 External Clock 0x0F 0x00 CKSEL=0000 External Clock CKSEL0 0 CKSEL1 1 CKSEL2 0 CKSEL3 0 XTALGND 1 [LB1 = 1 : LB2 = 1] No memory lock features enabled. [LB1 = 0 : LB2 = 1] Further programming of Flash and EEPROM is enabled. [LB1 = 0 : LB2 = 0] Same as previous, but verify is also disabled 3 2 0x06 0x06 Mode 1: No memory lock features enabled 0x06 0x04 Mode 2: Further programming disabled 0x06 0x00 Mode 3: Further programming and verification disabled LB1 Lockbit LB2 Lockbit