ATmega324P datasheet(320/377 Pages) ATMEL

320 / 377 page

320

7674F–AVR–09/09

ATmega164P/324P/644P

Table 25-18. JTAG Programming Instruction

Set a = address high bits, b = address low bits, c = address extended bits, H = 0 - Low byte, 1 - High Byte, o = data out,

i = data in, x = don’t care

Instruction

TDI Sequence

TDO Sequence

Notes

1a. Chip Erase

0100011_10000000

0110001_10000000

0110011_10000000

xxxxxxx_xxxxxxxx

1b. Poll for Chip Erase Complete

0110011_10000000

xxxxxox_xxxxxxxx

(2)

2a. Enter Flash Write

0100011_00010000

xxxxxxx_xxxxxxxx

2b. Load Address Extended High Byte

0001011_cccccccc

xxxxxxx_xxxxxxxx

(10)

2c. Load Address High Byte

0000111_aaaaaaaa

xxxxxxx_xxxxxxxx

2d. Load Address Low Byte

0000011_bbbbbbbb

xxxxxxx_xxxxxxxx

2e. Load Data Low Byte

0010011_iiiiiiii

xxxxxxx_xxxxxxxx

2f. Load Data High Byte

0010111_iiiiiiii

xxxxxxx_xxxxxxxx

2g. Latch Data

0110111_00000000

1110111_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

(1)

2h. Write Flash Page

0110111_00000000

0110101_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

(1)

2i. Poll for Page Write Complete

0110111_00000000

xxxxxox_xxxxxxxx

(2)

3a. Enter Flash Read

0100011_00000010

xxxxxxx_xxxxxxxx

3b. Load Address Extended High Byte

0001011_cccccccc

xxxxxxx_xxxxxxxx

(10)

3c. Load Address High Byte

0000111_aaaaaaaa

xxxxxxx_xxxxxxxx

3d. Load Address Low Byte

0000011_bbbbbbbb

xxxxxxx_xxxxxxxx

3e. Read Data Low and High Byte

0110010_00000000

0110110_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

Low byte

High byte

4a. Enter EEPROM Write

0100011_00010001

xxxxxxx_xxxxxxxx

4b. Load Address High Byte

0000111_aaaaaaaa

xxxxxxx_xxxxxxxx

(10)

4c. Load Address Low Byte

0000011_bbbbbbbb

xxxxxxx_xxxxxxxx

4d. Load Data Byte

0010011_iiiiiiii

xxxxxxx_xxxxxxxx

4e. Latch Data

0110111_00000000

1110111_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

(1)

4f. Write EEPROM Page

0110011_00000000

0110001_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

(1)

4g. Poll for Page Write Complete

0110011_00000000

xxxxxox_xxxxxxxx

(2)

ATmega324P Datasheet(PDF) 320 Page - ATMEL Corporation

ATmega324P Datasheet(HTML) 320 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL