Rainbow-electronics ATmega64L Bedienungsanleitung PDF herunterladen (Seite 275)

275

ATmega16(L)

2466B–09/01

5c. Load Address Low Byte 0000011_bbbbbbbb xxxxxxx_xxxxxxxx

5d. Read Data Byte 0110011_bbbbbbbb

0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

6a. Enter Fuse Write 0100011_01000000 xxxxxxx_xxxxxxxx

6b. Load Data Low Byte

(6)

0010011_iiiiiiii xxxxxxx_xxxxxxxx (3)

6c. Write Fuse High byte 0110111_00000000

0110101_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

(1)

6d. Poll for Fuse Write complete 0110111_00000000 xxxxxox_xxxxxxxx (2)

6e. Load Data Low Byte

(7)

0010011_iiiiiiii xxxxxxx_xxxxxxxx (3)

6f. Write Fuse Low byte 0110011_00000000

0110001_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

(1)

6g. Poll for Fuse Write complete 0110011_00000000 xxxxxox_xxxxxxxx (2)

7a. Enter Lock Bit Write 0100011_00100000 xxxxxxx_xxxxxxxx

7b. Load Data Byte

(8)

0010011_11iiiiii xxxxxxx_xxxxxxxx (4)

7c. Write Lock Bits 0110011_00000000

0110001_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

(1)

7d. Poll for Lock Bit Write complete 0110011_00000000 xxxxxox_xxxxxxxx (2)

8a. Enter Fuse/Lock Bit Read 0100011_00000100 xxxxxxx_xxxxxxxx

8b. Read Fuse High Byte

(6)

0111110_00000000

0111111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

8c. Read Fuse Low Byte

(7)

0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

8d. Read Lock Bits

(8)

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_xxoooooo

(5)

8e. Read Fuses and Lock Bits 0111110_00000000

0110010_00000000

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

(5)

fuse high byte

fuse low byte

lock bits

9a. Enter Signature Byte Read 0100011_00001000 xxxxxxx_xxxxxxxx

9b. Load Address Byte 0000011_bbbbbbbb xxxxxxx_xxxxxxxx

9c. Read Signature Byte 0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

Table 118. JTAG Programming Instruction Set (Continued)

a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don"t care

Instruction TDI sequence TDO sequence Notes

1 2 ... 270 271 272 273 274 275 276 277 278 279 280 ... 297 298

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