atmega323l ATMEL Corporation, atmega323l Datasheet - Page 207

• Manufacturer Part Number: atmega323l
• Description: Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

1457G–AVR–09/03
Figure 103. State Machine Sequence for Changing / Reading the Data Word
1
0
Test-Logic-Reset
4. Set bits to “0” to program the corresponding lock bit,
5.
6. a = address High Byte; b = address Low Byte; i = data in; o = data out; 1 = lock bit 1;
Run-Test/Idle
unchanged.
“0”
2 = lock bit 2; 3 = Boot Lock Bit01;
4 = Boot Lock Bit02; 5 = Boot Lock Bit11; 6 = Boot Lock Bit12; 7 = CKSEL0 Fuse; 8 =
CKSEL1 Fuse; 9 = CKSEL2 Fuse;
A = CKSEL3 Fuse; B = BODEN Fuse; C = BODLEVEL Fuse; D = BOOTRST Fuse; E
= BOOTSZ0 Fuse; F = BOOTSZ1 Fuse; G = EESAVE Fuse; H = JTAGEN Fuse; I =
OCDEN Fuse
= programmed,
0
1
“1”
1
0
= unprogrammed.
Select-DR Scan
Capture-DR
Update-DR
Pause-DR
Exit1-DR
Exit2-DR
Shift-DR
1
0
0
1
0
1
1
0
1
1
0
0
ATmega323(L)
1
0
“1”
Select-IR Scan
Capture-IR
Update-IR
to leave the lock bit
Pause-IR
Exit1-IR
Exit2-IR
Shift-IR
1
0
0
1
0
1
1
0
1
1
207
0
0