ATMEGA2560 参数 Datasheet PDF下载

型号：	ATMEGA2560
PDF下载：	下载PDF文件查看货源
内容描述：	8位微控制器与256K字节的系统内可编程闪存 [8- BIT Microcontroller with 256K Bytes In-System Programmable Flash]
分类和应用：	闪存微控制器
文件页数/大小：	407 页 / 2985 K
品牌：	ATMEL [ ATMEL ]

ATmega640/1280/1281/2560/2561

Table 164. JTAG Programming Instruction (Continued)

Set (Continued) 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

xxxxxxx_xxxxxxxx

Notes

5a. Enter EEPROM Read

5b. Load Address High Byte

5c. Load Address Low Byte

5d. Read Data Byte

0100011_00000011

0000111_aaaaaaaa

0000011_bbbbbbbb

(10)

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

(3)

(1)

6c. Write Fuse Extended Byte

0111011_00000000

0111001_00000000

0111011_00000000

xxxxxxx_xxxxxxxx

6d. Poll for Fuse Write Complete

6e. Load Data Low Byte⁽⁷⁾

6f. Write Fuse High Byte

0110111_00000000

xxxxxox_xxxxxxxx

(2)

(3)

(1)

0010011_iiiiiiii

xxxxxxx_xxxxxxxx

0110111_00000000

0110101_00000000

0110111_00000000

xxxxxxx_xxxxxxxx

6g. Poll for Fuse Write Complete

6h. Load Data Low Byte⁽⁷⁾

6i. Write Fuse Low Byte

0110111_00000000

xxxxxox_xxxxxxxx

(2)

(3)

(1)

0010011_iiiiiiii

xxxxxxx_xxxxxxxx

0110011_00000000

0110001_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

6j. Poll for Fuse Write Complete

7a. Enter Lock Bit Write

7b. Load Data Byte⁽⁹⁾

0110011_00000000

0100011_00100000

0010011_11iiiiii

xxxxxox_xxxxxxxx

xxxxxxx_xxxxxxxx

(2)

(4)

(1)

7c. Write Lock Bits

0110011_00000000

0110001_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

7d. Poll for Lock Bit Write complete

8a. Enter Fuse/Lock Bit Read

8b. Read Extended Fuse Byte⁽⁶⁾

0110011_00000000

0100011_00000100

xxxxxox_xxxxxxxx

(2)

xxxxxxx_xxxxxxxx

0111010_00000000

0111011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

8c. Read Fuse High Byte⁽⁷⁾

8d. Read Fuse Low Byte⁽⁸⁾

0111110_00000000

0111111_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

0110010_00000000

0110011_00000000

xxxxxxx_xxxxxxxx

xxxxxxx_oooooooo

359

2549A–AVR–03/05

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ATMEGA2560 参数 Datasheet PDF下载

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