[BYTE0] 3 CKOUT Output external clock 1 WDTON Watch dog timer always on 1 RSTDISBL Disable external reset 1 3 0x04 0x00 Output external clock 0x02 0x00 Watch dog timer always on 0x01 0x00 Disable external reset [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 0x03 0x03 Mode 1: No memory lock features enabled 0x03 0x02 Mode 2: Further programming disabled 0x03 0x00 Mode 3: Further programming and verification disabled LB1 Lockbit LB2 Lockbit 1024 0 128 0 ATtiny9 16MHZ 1 RELEASED $1E $90 $08